CWE-193 · Off-by-one Error

220 CVEs classified under CWE-193 (Off-by-one Error). Browse by severity and year.

Top CVEs for CWE-193
CVESeverityScorePublishedSummary
CVE-2024-10442Critical10.02025-03-19Off-by-one error vulnerability in the transmission component in Synology Replication Service before 1.0.12-0066, 1.2.2-0353 and 1.3.0-0423 and Synology Unified…
CVE-2026-53309Critical9.82026-06-26In the Linux kernel, the following vulnerability has been resolved: ocfs2/dlm: fix off-by-one in dlm_match_regions() region comparison The local-vs-remote re…
CVE-2026-53088Critical9.82026-06-24In the Linux kernel, the following vulnerability has been resolved: net: bcmgenet: fix off-by-one in bcmgenet_put_txcb The write_ptr points to the next open…
CVE-2026-48689Critical9.82026-05-26FastNetMon Community Edition through 1.2.9 contains an off-by-one heap-based buffer overflow in the dynamic_binary_buffer_t class (src/dynamic_binary_buffer.hp…
CVE-2006-10003Critical9.82026-03-19XML::Parser versions through 2.47 for Perl has an off-by-one heap buffer overflow in st_serial_stack. In the case (stackptr == stacksize - 1), the stack will…
CVE-2024-38441Critical9.82024-06-16Netatalk before 3.2.1 has an off-by-one error and resultant heap-based buffer overflow because of setting ibuf[len] to '\0' in FPMapName in afp_mapname in etc/…
CVE-2023-46853Critical9.82023-10-27In Memcached before 1.6.22, an off-by-one error exists when processing proxy requests in proxy mode, if \n is used instead of \r\n.
CVE-2023-38429Critical9.82023-07-18An issue was discovered in the Linux kernel before 6.3.4. fs/ksmbd/connection.c in ksmbd has an off-by-one error in memory allocation (because of ksmbd_smb2_ch…
CVE-2023-30546Critical9.82023-04-26Contiki-NG is an operating system for Internet of Things devices. An off-by-one error can be triggered in the Antelope database management system in the Contik…
CVE-2022-34970Critical9.82022-08-04Crow before 1.0+4 has a heap-based buffer overflow via the function qs_parse in query_string.h. On successful exploitation this vulnerability allows attackers…
CVE-2021-21938Critical9.82022-04-14A heap-based buffer overflow vulnerability exists in the Palette box parser functionality of Accusoft ImageGear 19.10. A specially-crafted file can lead to cod…
CVE-2022-24988Critical9.82022-02-14In galois_2p8 before 0.1.2, PrimitivePolynomialField::new has an off-by-one buffer overflow for a vector.
CVE-2021-31875Critical9.82021-04-29In mjs_json.c in Cesanta MongooseOS mJS 1.26, a maliciously formed JSON string can trigger an off-by-one heap-based buffer overflow in mjs_json_parse, which ca…
CVE-2020-14510Critical9.82020-08-25GateManager versions prior to 9.2c, The affected product contains a hard-coded credential for telnet, allowing an unprivileged attacker to execute commands as…
CVE-2020-8443Critical9.82020-01-30In OSSEC-HIDS 2.7 through 3.5.0, the server component responsible for log analysis (ossec-analysisd) is vulnerable to an off-by-one heap-based buffer overflow…
CVE-2020-6835Critical9.82020-01-10An issue was discovered in Bftpd before 5.4. There is a heap-based off-by-one error during file-transfer error checking.
CVE-2019-14532Critical9.82019-08-02An issue was discovered in The Sleuth Kit (TSK) 4.6.6. There is an off-by-one overwrite due to an underflow on tools/hashtools/hfind.cpp while using a bogus ha…
CVE-2019-8272Critical9.82019-03-08UltraVNC revision 1211 has multiple off-by-one vulnerabilities in VNC server code, which can potentially result in code execution. This attack appears to be ex…
CVE-2019-8268Critical9.82019-03-08UltraVNC revision 1206 has multiple off-by-one vulnerabilities in VNC client code connected with improper usage of ClientConnection::ReadString function, which…
CVE-2018-14599Critical9.82018-08-24An issue was discovered in libX11 through 1.6.5. The function XListExtensions in ListExt.c is vulnerable to an off-by-one error caused by malicious server resp…
All CVEs classified under CWE-193 — newest first (page 1 of 3)
CVESeverityScorePublishedSummary
CVE-2026-66806Medium5.52026-08-11Off-by-one error in Microsoft Office Word allows an unauthorized attacker to disclose information locally.
CVE-2026-713912026-08-10GNU Emacs for Android contains an off-by-one error in the gvar table parser in src/sfnt.c. The shared-coordinate index boundary check in sfnt_vary_simple_glyph…
CVE-2026-11771High7.52026-07-30OpenVPN version 2.1.0 through 2.6.20 and 2.7_alpha1 through 2.7.4 allows attackers via an off-by-one buffer write in the NTLM proxy authentication to potential…
CVE-2026-14899High7.52026-07-22The code to parse MIME headers for display when forwarding a message (if the setting to view all headers was enabled) had an off-by-one error, allowing a singl…
CVE-2026-44687Low3.72026-07-22In NLnet Labs Unbound 1.13.2 up to and including 1.25.1, stub or forward zones where the name is below an intermediate labed below a DNSSEC signed zone could b…
CVE-2026-50497Medium6.52026-07-14Off-by-one error in Windows Remote Desktop Protocol allows an unauthorized attacker to disclose information over a network.
CVE-2026-58380High7.32026-07-06A flaw was found in GIMP's PNM file format parser. When parsing a specially crafted PNM file, the pnmscanner_gettoken() function writes a null terminator one b…
CVE-2026-12413High7.52026-07-02An invalidly formatted IKEv2 fragment causes the Libreswan pluto daemon to crash and restart. Continued exploitation would cause a denial of service. The funct…
CVE-2026-7831High7.62026-07-01UltraVNC viewer through 1.8.2.2 contains an off-by-one stack buffer overflow in the RFB ServerInit message handler. In vncviewer/ClientConnection.cpp, when the…
CVE-2026-44042Low3.72026-07-01UltraVNC repeater through 1.8.2.2 contains an off-by-one error in the Base64 decode helper used for HTTP Basic authentication. In repeater/webgui/webutils.c:81…
CVE-2026-58374Medium6.52026-06-30In hostapd before 2.12, a missing bounds check in AP-mode Wi-Fi 7 (IEEE 802.11be) Multi-Link Operation (MLO) association request processing allows an unauthent…
CVE-2026-58014High7.32026-06-30A flaw was found in GLib. An off-by-one error can occur in the g_key_file_get_locale_string_list function in the gkeyfile.c file when loading a key file with a…
CVE-2026-53309Critical9.82026-06-26In the Linux kernel, the following vulnerability has been resolved: ocfs2/dlm: fix off-by-one in dlm_match_regions() region comparison The local-vs-remote re…
CVE-2026-53306Medium5.52026-06-26In the Linux kernel, the following vulnerability has been resolved: tty: hvc_iucv: fix off-by-one in number of supported devices MAX_HVC_IUCV_LINES == HVC_AL…
CVE-2026-56790High7.32026-06-25CANBoat through 6.22, fixed in commit a5a22b7, contains an off-by-one global buffer overflow in the searchForPgn() function in analyzer/pgn.c that allows remot…
CVE-2026-56787Medium6.52026-06-25RTKLIB through 2.4.3 contains an off-by-one out-of-bounds read vulnerability in the decode_ssr3 function at src/rtcm3.c:1446 that allows remote attackers to tr…
CVE-2026-53263Medium5.52026-06-25In the Linux kernel, the following vulnerability has been resolved: 6lowpan: fix off-by-one in multicast context address compression The second memcpy in low…
CVE-2026-528042026-06-24Gogs is an open source self-hosted Git service. Prior to 0.14.3, a repository admin collaborator can escalate their privileges to owner-level access by exploit…
CVE-2026-53088Critical9.82026-06-24In the Linux kernel, the following vulnerability has been resolved: net: bcmgenet: fix off-by-one in bcmgenet_put_txcb The write_ptr points to the next open…
CVE-2026-53036High7.82026-06-24In the Linux kernel, the following vulnerability has been resolved: bpf, arm64: Fix off-by-one in check_imm signed range check check_imm(bits, imm) is used i…
CVE-2026-8357High7.82026-06-15LibreOffice Calc compiles cell formulas when opening a spreadsheet. A heap buffer overflow existed when compiling a very long formula made up of many opening t…
CVE-2026-54410High8.62026-06-14nanoMODBUS through v1.23.0 contains an off-by-one buffer overflow in the recv_msg_header function of the Modbus/TCP server that allows remote unauthenticated a…
CVE-2026-46559Medium4.02026-06-10ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 6.9.13-48 and 7.1.2-23, an incorrect check in…
CVE-2026-45380Low3.62026-06-10bit7z is a cross-platform C++ static library that allows the compression/extraction of archive files. Prior to version 4.0.12, a one-byte off-by-one error in S…
CVE-2026-45358Medium5.32026-06-10ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 6.9.13-47 and 7.1.2-22, an off by one in the m…
CVE-2026-52907High7.82026-06-09In the Linux kernel, the following vulnerability has been resolved: media: rockchip: rkcif: fix off by one bugs Change these comparisons from > vs >= to avoi…
CVE-2026-49127High8.62026-05-28Music Player Daemon (MPD) before version 0.24.11 contains a stack buffer overflow vulnerability in the pcm_unpack_24be function in src/pcm/Pack.cxx that allows…
CVE-2026-46066Medium5.52026-05-27In the Linux kernel, the following vulnerability has been resolved: ceph: fix num_ops off-by-one when crypto allocation fails move_dirty_folio_in_page_array(…
CVE-2026-42015Medium5.32026-05-26A flaw was found in gnutls. An off-by-one error exists in the PKCS#12 bag element bounds check. This vulnerability allows an remote attacker to write past the…
CVE-2026-48689Critical9.82026-05-26FastNetMon Community Edition through 1.2.9 contains an off-by-one heap-based buffer overflow in the dynamic_binary_buffer_t class (src/dynamic_binary_buffer.hp…
CVE-2026-44065Medium4.22026-05-21An off-by-two error in lp_write() in papd in Netatalk 2.0.0 through 4.4.2 allows an adjacent network attacker to modify limited data or cause a minor service d…
CVE-2026-45232Low3.12026-05-20Rsync versions before 3.4.3 contain an off-by-one out-of-bounds stack write vulnerability in the establish_proxy_connection() function in socket.c that allows…
CVE-2026-44603Low3.72026-05-07Tor before 0.4.9.7 has an out-of-bounds read by one byte via a malformed BEGIN cell, aka TROVE-2026-007.
CVE-2026-7572Medium4.42026-05-06An off-by-one error (CWE-193) in the ConsumeUnit16Array and ConsumeUnit64Array functions in Velocidex Velociraptor before version 0.76.5 on Windows and Linux a…
CVE-2026-43964Low3.72026-05-04Postfix before 3.8.16, 3.9 before 3.9.10, and 3.10 before 3.10.9 sometimes allows a buffer over-read and process crash via an enhanced status code that lacks t…
CVE-2026-43860Low3.72026-05-04mutt before 2.3.2 sometimes truncates the hash_passwd by one byte for IMAP auth_cram MD5 digest.
CVE-2026-41502High7.52026-04-24BACnet Stack is a BACnet open source protocol stack C library for embedded systems. Prior to 1.4.3, an off-by-one out-of-bounds read vulnerability in bacnet-st…
CVE-2026-40254Medium4.22026-04-24FreeRDP is a free implementation of the Remote Desktop Protocol. Versions prior to 3.25.0 have an off-by-one in the path traversal filter in `channels/drive/cl…
CVE-2026-6861Medium6.12026-04-22A flaw was found in GNU Emacs. This vulnerability, a memory corruption issue, occurs when Emacs processes specially crafted SVG (Scalable Vector Graphics) CSS…
CVE-2026-40312Medium6.22026-04-13ImageMagick is free and open-source software used for editing and manipulating digital images. In versions below 7.1.2-19, an off by one error in the MSL decod…
CVE-2026-32605High7.52026-04-13nimiq/core-rs-albatross is a Rust implementation of the Nimiq Proof-of-Stake protocol based on the Albatross consensus algorithm. Prior to version 1.3.0, an un…
CVE-2026-33997Medium6.82026-03-31Moby is an open source container framework. Prior to version 29.3.1, a security vulnerability has been detected that allows plugins privilege validation to be…
CVE-2026-5123Low3.72026-03-30A weakness has been identified in osrg GoBGP up to 4.3.0. This impacts the function DecodeFromBytes of the file pkg/packet/bgp/bgp.go. Executing a manipulation…
CVE-2026-22593High8.42026-03-26EVerest is an EV charging software stack. Prior to version 2026.02.0, an off-by-one check in IsoMux certificate filename handling causes a stack-based buffer o…
CVE-2026-4887Medium6.12026-03-26A flaw was found in GIMP. This issue is a heap buffer over-read in GIMP PCX file loader due to an off-by-one error. A remote attacker could exploit this by con…
CVE-2026-34085Medium5.92026-03-25fontconfig before 2.17.1 has an off-by-one error in allocation during sfnt capability handling, leading to a one-byte out-of-bounds write, and potentially a cr…
CVE-2006-10003Critical9.82026-03-19XML::Parser versions through 2.47 for Perl has an off-by-one heap buffer overflow in st_serial_stack. In the case (stackptr == stacksize - 1), the stack will…
CVE-2026-23257Medium5.52026-03-18In the Linux kernel, the following vulnerability has been resolved: net: liquidio: Fix off-by-one error in PF setup_nic_devices() cleanup In setup_nic_device…
CVE-2026-23256Medium5.52026-03-18In the Linux kernel, the following vulnerability has been resolved: net: liquidio: Fix off-by-one error in VF setup_nic_devices() cleanup In setup_nic_device…
CVE-2026-28520High8.42026-03-16arduino-TuyaOpen before version 1.2.1 contains a single-byte buffer overflow vulnerability in the WiFiMulti component. When the victim's smart hardware connect…
CVE-2026-31988Medium5.32026-03-11yauzl (aka Yet Another Unzip Library) version 3.2.0 for Node.js contains an off-by-one error in the NTFS extended timestamp extra field parser within the getLa…
CVE-2026-26309Medium5.32026-03-10Envoy is a high-performance edge/middle/service proxy. Prior to 1.37.1, 1.36.5, 1.35.8, and 1.34.13, an off-by-one write in Envoy::JsonEscaper::escapeString()…
CVE-2026-25989High7.52026-02-24ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 7.1.2-15 and 6.9.13-40, a crafted SVG file can…
CVE-2026-2703Low3.32026-02-19A weakness has been identified in xlnt-community xlnt up to 1.6.1. Impacted is the function xlnt::detail::decode_base64 of the file source/detail/cryptography/…
CVE-2026-21870Medium5.52026-02-13BACnet Protocol Stack library provides a BACnet application layer, network layer and media access (MAC) layer communications services. In 1.4.2, 1.5.0.rc2, and…
CVE-2025-71161High7.52026-01-23In the Linux kernel, the following vulnerability has been resolved: dm-verity: disable recursive forward error correction There are two problems with the rec…
CVE-2026-23951Medium5.52026-01-22SumatraPDF is a multi-format reader for Windows. All versions contain an off-by-one error in the validation code that only triggers with exactly 2 records, cau…
CVE-2025-71087Medium5.52026-01-13In the Linux kernel, the following vulnerability has been resolved: iavf: fix off-by-one issues in iavf_config_rss_reg() There are off-by-one bugs when confi…
CVE-2026-21504Medium6.62026-01-07iccDEV provides a set of libraries and tools that allow for the interaction, manipulation, and application of ICC color management profiles. Prior to version 2…
CVE-2026-21494Medium6.12026-01-06iccDEV provides a set of libraries and tools that allow for the interaction, manipulation, and application of International Color Consortium (ICC) color manage…
CVE-2026-21491Medium6.12026-01-06iccDEV provides a set of libraries and tools that allow for the interaction, manipulation, and application of International Color Consortium (ICC) color manage…
CVE-2026-21490Medium6.12026-01-06iccDEV provides a set of libraries and tools that allow for the interaction, manipulation, and application of International Color Consortium (ICC) color manage…
CVE-2025-11215Medium4.32025-11-06Off by one error in V8 in Google Chrome prior to 141.0.7390.54 allowed a remote attacker to perform an out of bounds memory read via a crafted HTML page. (Chro…
CVE-2022-50428Medium5.52025-10-01In the Linux kernel, the following vulnerability has been resolved: ext4: fix off-by-one errors in fast-commit block filling Due to several different off-by-…
CVE-2025-4582High7.12025-09-23Buffer Over-read, Off-by-one Error vulnerability in RTI Connext Professional (Core Libraries) allows File Manipulation, Overread Buffers.This issue affects Con…
CVE-2023-53397Medium5.52025-09-18In the Linux kernel, the following vulnerability has been resolved: modpost: fix off by one in is_executable_section() The > comparison should be >= to preve…
CVE-2025-38600High8.82025-08-19In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt7925: fix off by one in mt7925_mcu_hw_scan() The ssid->ssids[] and sreq->ss…
CVE-2025-54349Medium6.52025-08-03In iperf before 3.19.1, iperf_auth.c has an off-by-one error and resultant heap-based buffer overflow.
CVE-2025-53014Low3.72025-07-14ImageMagick is free and open-source software used for editing and manipulating digital images. Versions prior to 7.1.2-0 and 6.9.13-26 have a heap buffer overf…
CVE-2025-52497Medium4.82025-07-04Mbed TLS before 3.6.4 has a PEM parsing one-byte heap-based buffer underflow, in mbedtls_pem_read_buffer and two mbedtls_pk_parse functions, via untrusted PEM…
CVE-2025-47711Medium6.52025-06-09There's a flaw in the nbdkit server when handling responses from its plugins regarding the status of data blocks. If a client makes a specific request for a ve…
CVE-2023-53143Medium5.52025-05-02In the Linux kernel, the following vulnerability has been resolved: ext4: fix another off-by-one fsmap error on 1k block filesystems Apparently syzbot figure…
CVE-2025-23150High7.82025-05-01In the Linux kernel, the following vulnerability has been resolved: ext4: fix off-by-one error in do_split Syzkaller detected a use-after-free issue in ext4_…
CVE-2025-43973Medium6.82025-04-21An issue was discovered in GoBGP before 3.35.0. pkg/packet/rtr/rtr.go does not verify that the input length corresponds to a situation in which all bytes are a…
CVE-2025-43971High8.62025-04-21An issue was discovered in GoBGP before 3.35.0. pkg/packet/bgp/bgp.go allows attackers to cause a panic via a zero value for softwareVersionLen.
CVE-2025-37893High7.82025-04-18In the Linux kernel, the following vulnerability has been resolved: LoongArch: BPF: Fix off-by-one error in build_prologue() Vincent reported that running BP…
CVE-2025-30742Medium5.32025-03-26httpd.c in atophttpd 2.8.0 has an off-by-one error and resultant out-of-bounds read because a certain 1024-character req string would not have a final '\0' cha…
CVE-2024-10442Critical10.02025-03-19Off-by-one error vulnerability in the transmission component in Synology Replication Service before 1.0.12-0066, 1.2.2-0353 and 1.3.0-0423 and Synology Unified…
CVE-2025-21813Medium5.52025-02-27In the Linux kernel, the following vulnerability has been resolved: timers/migration: Fix off-by-one root mis-connection Before attaching a new root to the o…
CVE-2024-57990High7.82025-02-27In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt7925: fix off by one in mt7925_load_clc() This comparison should be >= inst…
CVE-2022-49365Medium5.52025-02-26In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: Off by one in dm_dmub_outbox1_low_irq() The > ARRAY_SIZE() should be >= ARRAY…
CVE-2022-49077Medium5.52025-02-26In the Linux kernel, the following vulnerability has been resolved: mmmremap.c: avoid pointless invalidate_range_start/end on mremap(old_size=0) If an mremap…
CVE-2024-57259High7.12025-02-18sqfs_search_dir in Das U-Boot before 2025.01-rc1 exhibits an off-by-one error and resultant heap memory corruption for squashfs directory listing because the p…
CVE-2024-48854Medium5.32025-01-14Off-by-one error in the TIFF image codec in QNX SDP versions 8.0, 7.1 and 7.0 could allow an unauthenticated attacker to cause an information disclosure in the…
CVE-2024-56720High7.82024-12-29In the Linux kernel, the following vulnerability has been resolved: bpf, sockmap: Several fixes to bpf_msg_pop_data Several fixes to bpf_msg_pop_data, 1. In…
CVE-2024-56663High7.82024-12-27In the Linux kernel, the following vulnerability has been resolved: wifi: nl80211: fix NL80211_ATTR_MLO_LINK_ID off-by-one Since the netlink attribute range…
CVE-2024-53163Medium5.52024-12-24In the Linux kernel, the following vulnerability has been resolved: crypto: qat/qat_420xx - fix off by one in uof_get_name() This is called from uof_get_name…
CVE-2024-53149Medium4.62024-12-24In the Linux kernel, the following vulnerability has been resolved: usb: typec: ucsi: glink: fix off-by-one in connector_status UCSI connector's indices star…
CVE-2024-51554Critical9.12024-12-05Default Credentail vulnerabilities in ASPECT on Linux allows access to the product using publicly available default credentials.  Affected products: ABB ASPE…
CVE-2024-49880High7.82024-10-21In the Linux kernel, the following vulnerability has been resolved: ext4: fix off by one issue in alloc_flex_gd() Wesley reported an issue: ================…
CVE-2024-49862High7.12024-10-21In the Linux kernel, the following vulnerability has been resolved: powercap: intel_rapl: Fix off by one in get_rpi() The rp->priv->rpi array is either rpi_m…
CVE-2024-47686High7.12024-10-21In the Linux kernel, the following vulnerability has been resolved: ep93xx: clock: Fix off by one in ep93xx_div_recalc_rate() The psc->div[] array has psc->n…
CVE-2024-47682High8.62024-10-21In the Linux kernel, the following vulnerability has been resolved: scsi: sd: Fix off-by-one error in sd_read_block_characteristics() Ff the device returns p…
CVE-2024-45796Medium5.32024-10-16Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. Prior to version 7.0.7, a logic error dur…
CVE-2024-46852High7.82024-09-27In the Linux kernel, the following vulnerability has been resolved: dma-buf: heaps: Fix off-by-one in CMA heap fault handler Until VM_DONTEXPAND was added in…
CVE-2024-32668High8.22024-09-05An insufficient boundary validation in the USB code could lead to an out-of-bounds write on the heap, with data controlled by the caller. A malicious, privile…
CVE-2024-43852High7.82024-08-17In the Linux kernel, the following vulnerability has been resolved: hwmon: (ltc2991) re-order conditions to fix off by one bug LTC2991_T_INT_CH_NR is 4. The…
CVE-2024-36136High7.52024-08-14An off-by-one error in WLInfoRailService in Ivanti Avalanche 6.3.1 allows a remote unauthenticated attacker to crash the service, resulting in a DoS.
CVE-2022-48732High7.82024-06-20In the Linux kernel, the following vulnerability has been resolved: drm/nouveau: fix off by one in BIOS boundary checking Bounds checking when parsing init s…
CVE-2024-38441Critical9.82024-06-16Netatalk before 3.2.1 has an off-by-one error and resultant heap-based buffer overflow because of setting ibuf[len] to '\0' in FPMapName in afp_mapname in etc/…