CWE-191 · Integer Underflow

531 CVEs classified under CWE-191 (Integer Underflow). Browse by severity and year.

Top CVEs for CWE-191
CVESeverityScorePublishedSummary
CVE-2026-51540Critical9.82026-07-13OpENer 2.3.0 (master branch up to commit 76b95cf) is vulnerable to a severe memory corruption issue caused by an integer underflow in the processing of connect…
CVE-2026-53176Critical9.82026-06-25In the Linux kernel, the following vulnerability has been resolved: IB/isert: Reject login PDUs shorter than ISER_HEADERS_LEN In drivers/infiniband/ulp/isert…
CVE-2026-37534Critical9.82026-05-01Integer underflow vulnerability in Open-SAE-J1939 thru commit b6caf884df46435e539b1ecbf92b6c29b345bdfe (2025-11-30) in SAE_J1939_Read_Transport_Protocol_Data_T…
CVE-2025-52471Critical9.82025-06-24ESF-IDF is the Espressif Internet of Things (IOT) Development Framework. An integer underflow vulnerability has been identified in the ESP-NOW protocol impleme…
CVE-2025-30356Critical9.82025-04-01CryptoLib provides a software-only solution using the CCSDS Space Data Link Security Protocol - Extended Procedures (SDLS-EP) to secure communications between…
CVE-2025-29913Critical9.82025-03-17CryptoLib provides a software-only solution using the CCSDS Space Data Link Security Protocol - Extended Procedures (SDLS-EP) to secure communications between…
CVE-2025-29912Critical9.82025-03-17CryptoLib provides a software-only solution using the CCSDS Space Data Link Security Protocol - Extended Procedures (SDLS-EP) to secure communications between…
CVE-2025-29909Critical9.82025-03-17CryptoLib provides a software-only solution using the CCSDS Space Data Link Security Protocol - Extended Procedures (SDLS-EP) to secure communications between…
CVE-2022-49280Critical9.82025-02-26In the Linux kernel, the following vulnerability has been resolved: NFSD: prevent underflow in nfssvc_decode_writeargs() Smatch complains: fs/nfsd/nfsxdr.c…
CVE-2024-57843Critical9.82025-01-11In the Linux kernel, the following vulnerability has been resolved: virtio-net: fix overflow inside virtnet_rq_alloc When the frag just got a page, then may…
CVE-2024-47606Critical9.82024-12-12GStreamer is a library for constructing graphs of media-handling components. An integer underflow has been detected in the function qtdemux_parse_theora_extens…
CVE-2018-9388Critical9.82024-12-05In store_upgrade and store_cmd of drivers/input/touchscreen/stm/ftm4_pdc.c, there are out of bound writes due to missing bounds checks or integer underflows. T…
CVE-2024-38063Critical9.82024-08-13Windows TCP/IP Remote Code Execution Vulnerability
CVE-2024-38074Critical9.82024-07-09Windows Remote Desktop Licensing Service Remote Code Execution Vulnerability
CVE-2024-23313Critical9.82024-02-20An integer underflow vulnerability exists in the sopen_FAMOS_read functionality of The Biosig Project libbiosig 2.5.0 and Master Branch (ab0ee111). A specially…
CVE-2024-0808Critical9.82024-01-24Integer underflow in WebUI in Google Chrome prior to 121.0.6167.85 allowed a remote attacker to potentially exploit heap corruption via a malicious file. (Chro…
CVE-2023-32653Critical9.82023-09-25An out-of-bounds write vulnerability exists in the dcm_pixel_data_decode functionality of Accusoft ImageGear 20.1. A specially crafted malformed file can lead…
CVE-2023-38427Critical9.82023-07-18An issue was discovered in the Linux kernel before 6.3.8. fs/smb/server/smb2pdu.c in ksmbd has an integer underflow and out-of-bounds read in deassemble_neg_co…
CVE-2023-32014Critical9.82023-06-14Windows Pragmatic General Multicast (PGM) Remote Code Execution Vulnerability
CVE-2023-28250Critical9.82023-04-11Windows Pragmatic General Multicast (PGM) Remote Code Execution Vulnerability
All CVEs classified under CWE-191 — newest first (page 1 of 6)
CVESeverityScorePublishedSummary
CVE-2026-45699High7.52026-08-14Netatalk is a Free and Open Source file server suite for Unix-like operating systems. In versions 3.1.19 through 4.4.2, a stack-based buffer overflow exists i…
CVE-2026-49282Medium5.12026-08-14Capstone is a disassembly framework. Prior to version 6.0.0-Alpha9, Capstone's public `cs_insn_name()` API forwards caller-supplied instruction IDs directly to…
CVE-2026-16241Low3.82026-08-13Integer underflow in PostgreSQL ECPG allows a database server administrator to achieve temporary denial of service against the ECPG client via sending a bytea…
CVE-2026-18728Medium6.52026-08-13A flaw was found in open-iscsi. An integer underflow vulnerability in the `iscsiuio` component, specifically during IPv4 Dynamic Host Configuration Protocol (D…
CVE-2026-18727Medium6.52026-08-12A flaw was found in open-iscsi's iscsiuio component. This vulnerability involves an integer underflow and out-of-bounds read during Dynamic Host Configuration…
CVE-2026-73433Medium6.62026-08-12A flaw was found in GStreamer gst-plugins-good (avidemux). When parsing FUJIFILM metadata in an AVI strd chunk, gst_avi_demux_parse_strd() decrements a remaini…
CVE-2026-18687High7.12026-08-11MongoDB Server's handling of a Queryable Encryption maintenance operation did not properly validate certain request parameters against the collection's encrypt…
CVE-2026-71389Medium6.22026-08-11CAI Content Credentials is affected by an Integer Underflow (Wrap or Wraparound) vulnerability that could result in an application denial-of-service. An attack…
CVE-2026-64909High7.82026-08-11Integer underflow (wrap or wraparound) in Microsoft Office allows an unauthorized attacker to execute code locally.
CVE-2026-63515High7.82026-08-11Out-of-bounds read in Microsoft Office allows an unauthorized attacker to execute code locally.
CVE-2026-62814Medium6.52026-08-11Integer underflow (wrap or wraparound) in Windows DHCP Server allows an unauthorized attacker to disclose information over an adjacent network.
CVE-2026-62745Medium6.52026-08-11Integer underflow (wrap or wraparound) in Windows DHCP Server allows an unauthorized attacker to disclose information over an adjacent network.
CVE-2026-62742Medium6.52026-08-11Integer underflow (wrap or wraparound) in Windows DHCP Server allows an unauthorized attacker to disclose information over an adjacent network.
CVE-2026-62741High7.82026-08-11Integer underflow (wrap or wraparound) in Windows HTTP.sys allows an authorized attacker to elevate privileges locally.
CVE-2026-62720Medium6.52026-08-11Integer underflow (wrap or wraparound) in Windows DHCP Server allows an unauthorized attacker to disclose information over an adjacent network.
CVE-2026-62718Medium6.52026-08-11Integer underflow (wrap or wraparound) in Windows DHCP Server allows an unauthorized attacker to disclose information over an adjacent network.
CVE-2026-62716Medium6.52026-08-11Integer underflow (wrap or wraparound) in Windows DHCP Server allows an unauthorized attacker to disclose information over an adjacent network.
CVE-2026-62715Medium6.52026-08-11Integer underflow (wrap or wraparound) in Windows DHCP Server allows an unauthorized attacker to disclose information over an adjacent network.
CVE-2026-62714Medium6.52026-08-11Integer underflow (wrap or wraparound) in Windows DHCP Server allows an unauthorized attacker to disclose information over an adjacent network.
CVE-2026-62696High7.82026-08-11Integer underflow (wrap or wraparound) in Windows Program Compatibility Assistant Service allows an authorized attacker to elevate privileges locally.
CVE-2026-48435Medium6.22026-08-11CAI Content Credentials is affected by an Integer Underflow (Wrap or Wraparound) vulnerability that could result in an application denial-of-service. An attack…
CVE-2026-59090High8.42026-08-10A flaw was found in GIMP's PSD file format plugin. This vulnerability, an unsigned integer underflow in the `block_rem` variable, occurs when a user opens a sp…
CVE-2026-70633Medium6.52026-08-06TimescaleDB through 2.29.1, fixed in commit 517c13e, contains an out-of-bounds read vulnerability in the Gorilla compression reverse row iterator that allows a…
CVE-2026-43628High7.82026-08-06llama.cpp builds b3978 through b9058 contain an integer underflow and out-of-bounds read vulnerability in the DRY sampler that allows unauthenticated attackers…
CVE-2026-18839Low2.22026-08-05An integer underflow was found in the popt library when formatting help text for option tables that exceed the terminal width. A local user who can cause an ap…
CVE-2026-71202High7.52026-08-05The raster Rust crate's crop function (src/editor.rs) clamps the crop width/height against source dimensions but only clamps the offset_x/offset_y parameters a…
CVE-2026-24077Medium6.52026-08-04Information Disclosure when processing wireless network channel switch information with improperly formatted length fields.
CVE-2026-67298High7.52026-08-01FreeRDP versions 3.28.0 and earlier contain a heap buffer overflow in the server-side RAIL channel handler (rail_server_handle_messages() in channels/rail/serv…
CVE-2026-63362Medium5.92026-07-30An unsigned integer underflow in the PubSub signature verification path in open62541 may allow a remote attacker to cause a denial of service via a crafted U…
CVE-2026-13308High8.12026-07-29Autel MaxiCharger AC Elite Home WebSockets Integer Underflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitra…
CVE-2026-54345High7.52026-07-28gopacket provides packet processing capabilities for Go. In version 1.6.0 and earlier, the Diameter AVP decoder computes an AVP data length by subtracting a fi…
CVE-2026-42495Medium5.52026-07-28[This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE.] The directory and Rock Ridge…
CVE-2026-54890High7.52026-07-27Integer Underflow (Wrap or Wraparound) vulnerability in erlang otp erlang/otp (erts modules), erlang otp erts (erts modules) allows Forced Integer Overflow, Ex…
CVE-2026-66033High7.52026-07-24libssh2 through 1.11.1, fixed in commit a2ed82d, contains a pre-authentication integer underflow vulnerability in the ssh2_cipher_crypt() function in src/opens…
CVE-2026-45813High8.82026-07-24Out-of-bounds Write, Integer Underflow (Wrap or Wraparound) vulnerability in Apache NimBLE BASS service. Improper validation when parsing BASS service  "Add So…
CVE-2026-65704High7.82026-07-23FFmpeg through 8.1.2 contains an out-of-bounds write vulnerability that allows attackers to cause heap corruption by supplying a crafted ffconcat file processe…
CVE-2026-48029High7.12026-07-22libheif is a HEIF and AVIF file format decoder and encoder. Versions 1.19.0 through 1.21.2 have a heap OOB read in ImageItem_Grid::decode_grid_tile via irot-in…
CVE-2026-44251Medium6.52026-07-17Wazuh is a free and open source platform used for threat prevention, detection, and response. In versions 3.0.0 and above, prior to 4.14.5, a size_t integer un…
CVE-2026-40955Low3.72026-07-15CVE-2026-40955 is an integer underflow vulnerability in the traffic parsing function of Secure Access clients prior to 14.55. Attackers with intimate knowledge…
CVE-2026-40954Low3.72026-07-15CVE-2026-40954 is an integer underflow vulnerability in the traffic parsing function of Secure Access clients prior to 14.55. Attackers with intimate knowledge…
CVE-2026-48298Medium6.22026-07-14CAI Content Credentials is affected by an Integer Underflow (Wrap or Wraparound) vulnerability that could result in an application denial-of-service. An attack…
CVE-2026-48296Medium6.22026-07-14CAI Content Credentials is affected by an Integer Underflow (Wrap or Wraparound) vulnerability that could result in an application denial-of-service. An attack…
CVE-2026-55039High7.82026-07-14Integer underflow (wrap or wraparound) in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
CVE-2026-50498High7.82026-07-14Windows Universal Disk Format File System Driver (UDFS) Elevation of Privilege Vulnerability
CVE-2026-50388High7.82026-07-14Out-of-bounds read in Windows NTFS allows an unauthorized attacker to execute code locally.
CVE-2026-55011High7.82026-07-14Integer underflow (wrap or wraparound) in Microsoft Defender allows an unauthorized attacker to execute code locally.
CVE-2026-54982High8.82026-07-14Integer underflow (wrap or wraparound) in Reliable Multicast Transport Driver (RMCAST) allows an unauthorized attacker to execute code over an adjacent network.
CVE-2026-50308High7.82026-07-14Integer underflow (wrap or wraparound) in Windows NTFS allows an unauthorized attacker to execute code locally.
CVE-2026-50300Medium5.52026-07-14Integer underflow (wrap or wraparound) in Windows Kernel allows an authorized attacker to disclose information locally.
CVE-2026-49790High7.32026-07-14Windows Universal Disk Format File System Driver (UDFS) Elevation of Privilege Vulnerability
CVE-2026-49181High7.52026-07-14Integer underflow (wrap or wraparound) in Windows DHCP Client allows an unauthorized attacker to elevate privileges over a network.
CVE-2026-51540Critical9.82026-07-13OpENer 2.3.0 (master branch up to commit 76b95cf) is vulnerable to a severe memory corruption issue caused by an integer underflow in the processing of connect…
CVE-2026-29008High7.52026-07-08U-Boot through 2026.04-rc3 contains an integer underflow vulnerability in the tcp_rx_state_machine() function (net/tcp.c) that allows a network-adjacent attack…
CVE-2026-55490Medium6.52026-07-07OpenWrt is a Linux operating system targeting embedded devices. Before v25.12.5, an integer underflow in handle_send_a() of the Emergency Access Daemon allows…
CVE-2026-58016High7.52026-06-30A flaw was found in GLib. A state confusion issue exists in g_dbus_node_info_new_for_xml() in the gio/gdbusintrospection.c file when processing malformed D-Bus…
CVE-2026-58058Medium6.52026-06-28Nmap through 7.99 does not keep the IPv6 extension-header walk within the captured packet in ipv6_get_data_primitive (libnetutil/netutil.cc), so the pointer ad…
CVE-2026-57918High7.12026-06-26libnfs through 6.0.2 before 935b8db has an xid integer underflow in READ_IOVEC in rpc_read_from_socket in lib/socket.c during a connection to a crafted NFS ser…
CVE-2026-6678Medium5.32026-06-25Integer underflow in wc_PKCS7_DecryptOri when handling crafted Other Recipient Info, leading to incorrect length handling during decryption.
CVE-2026-57452Medium5.52026-06-25Vim is an open source, command line text editor. Prior to 9.2.0671, when Vim opens a file encrypted with the VimCrypt~04! or VimCrypt~05! method (xchacha20poly…
CVE-2026-53178High8.12026-06-25In the Linux kernel, the following vulnerability has been resolved: staging: rtl8723bs: rtw_mlme: add bounds checks before ie_length subtraction Add guards t…
CVE-2026-53176Critical9.82026-06-25In the Linux kernel, the following vulnerability has been resolved: IB/isert: Reject login PDUs shorter than ISER_HEADERS_LEN In drivers/infiniband/ulp/isert…
CVE-2026-53150Medium5.52026-06-25In the Linux kernel, the following vulnerability has been resolved: thunderbolt: Reject zero-length property entries in validator tb_property_entry_valid() a…
CVE-2026-53130High7.82026-06-24In the Linux kernel, the following vulnerability has been resolved: fs/omfs: reject s_sys_blocksize smaller than OMFS_DIR_START omfs_fill_super() rejects ove…
CVE-2026-52919High7.82026-06-24In the Linux kernel, the following vulnerability has been resolved: batman-adv: fix tp_meter counter underflow during shutdown batadv_tp_sender_shutdown() un…
CVE-2026-30803Critical9.12026-06-17Integer Underflow (Wrap or Wraparound) vulnerability in RTI Connext Micro (Core Libraries) allows Overread Buffers.This issue affects Connext Micro: from 4.0.0…
CVE-2026-54413High8.22026-06-14driftregion iso14229 through 0.9.0 contains an integer underflow and downstream out-of-bounds read in the Handle_0x27_SecurityAccess function in iso14229.c tha…
CVE-2026-54412High8.22026-06-14LiamBindle MQTT-C through version 1.1.6 contains a heap-based out-of-bounds read and integer underflow in the mqtt_unpack_publish_response function in src/mqtt…
CVE-2026-47222Medium5.42026-06-12NanaZip is the 7-Zip derivative intended for the modern Windows experience. From version 3.0.1000.0 to before version 6.0.1698.0, a heap out-of-bounds read exi…
CVE-2026-11850Medium5.02026-06-11An integer underflow vulnerability was found in MIT krb5 in the berval2tl_data() function in plugins/kdb/ldap/libkdb_ldap/ldap_principal2.c. The function perfo…
CVE-2026-42542High7.52026-06-10TDengine is an open source, time-series database optimized for Internet of Things devices. In versions 3.4.0.0 through 3.4.1.5, an unauthenticated remote attac…
CVE-2026-42326Medium5.12026-06-10ImageMagick 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, when writing an IPTC o…
CVE-2026-45469High7.82026-06-09Integer underflow (wrap or wraparound) in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
CVE-2026-45463High8.42026-06-09Integer underflow (wrap or wraparound) in Microsoft Office allows an unauthorized attacker to execute code locally.
CVE-2026-42981High8.12026-06-09Integer underflow (wrap or wraparound) in Windows Performance Monitor allows an unauthorized attacker to execute code over a network.
CVE-2026-42980High7.82026-06-09Integer underflow (wrap or wraparound) in Windows NT OS Kernel allows an authorized attacker to elevate privileges locally.
CVE-2026-11789Medium4.92026-06-09A flaw was found in 389 Directory Server. The SMD5 password storage plugin performs unsigned integer underflow when computing salt length from a crafted passwo…
CVE-2026-49494High7.52026-06-07Xcitium Client Security (XCS) before 13.8.2.10019 and Comodo Internet Security (CIS) through 12.3.4.8162 (fix expected by 2026 Q3) contain an integer underflow…
CVE-2026-50593High7.32026-06-05Graphite before 1.3.15 has an integer underflow and resultant out-of-bounds write via Graphite actions, because slotat does not ensure that an offset is within…
CVE-2026-35049Medium6.52026-06-02wire-ios is an iOS client for the Wire secure messaging application. Prior to version 4.16.0, upon receiving a crafted malicious Proteus external message with…
CVE-2026-37231High7.52026-06-01FlexRIC v2.0.0 uses a uint16_t counter for xapp_id assignment but stores the value in uint32_t message fields. After 65,530+ E42_SETUP_REQUESTs, the 16-bit cou…
CVE-2026-46107High7.82026-05-28In the Linux kernel, the following vulnerability has been resolved: dm-thin: fix metadata refcount underflow There's a bug in dm-thin in the function rebalan…
CVE-2026-45999High7.12026-05-27In the Linux kernel, the following vulnerability has been resolved: erofs: fix unsigned underflow in z_erofs_lz4_handle_overlap() Some crafted images can hav…
CVE-2026-45884Medium5.52026-05-27In the Linux kernel, the following vulnerability has been resolved: apparmor: avoid per-cpu hold underflow in aa_get_buffer When aa_get_buffer() pulls from t…
CVE-2026-25104High7.82026-05-26MediaArea MediaInfoLib LXF parsing heap-based buffer overflow vulnerability
CVE-2026-44069Low3.92026-05-21An integer underflow in the volxlate function in Netatalk 3.0.0 through 4.4.2 allows a local privileged user to obtain limited information, modify limited data…
CVE-2026-44060High7.52026-05-21An integer underflow in dsi_writeinit() in Netatalk 1.5.0 through 4.4.2 allows a remote unauthenticated attacker to cause a denial of service via a crafted DSI…
CVE-2026-8463Medium5.32026-05-13Crypt::Argon2 versions from 0.017 before 0.031 for Perl perform a heap out-of-bounds read in argon2_verify on empty encoded input. The auto-detect form of arg…
CVE-2026-42268High7.52026-05-12ModSecurity is an open source, cross platform web application firewall (WAF) engine for Apache, IIS and Nginx. From 3.0.0 to before 3.0.15, there is an unhandl…
CVE-2026-34672Medium6.22026-05-12CAI Content Credentials versions c2pa-web@0.7.0, c2pa-v0.78.2 and earlier are affected by an Integer Underflow (Wrap or Wraparound) vulnerability that could re…
CVE-2026-34667Medium6.22026-05-12CAI Content Credentials versions c2pa-web@0.7.0, c2pa-v0.78.2 and earlier are affected by an Integer Underflow (Wrap or Wraparound) vulnerability that could re…
CVE-2026-40397High7.82026-05-12Heap-based buffer overflow in Windows Common Log File System Driver allows an authorized attacker to elevate privileges locally.
CVE-2026-439162026-05-12pam_authnft is a PAM session module binding nftables firewall rules to authenticated sessions via cgroupv2 inodes. Prior to 0.2.0-alpha, a heap buffer over-rea…
CVE-2026-43359Medium5.52026-05-08In the Linux kernel, the following vulnerability has been resolved: btrfs: fix transaction abort on set received ioctl due to item overflow If the set receiv…
CVE-2026-43301Medium5.52026-05-08In the Linux kernel, the following vulnerability has been resolved: media: chips-media: wave5: Fix PM runtime usage count underflow Replace pm_runtime_put_sy…
CVE-2026-43187High8.82026-05-06In the Linux kernel, the following vulnerability has been resolved: xfs: delete attr leaf freemap entries when empty Back in commit 2a2b5932db6758 ("xfs: fix…
CVE-2026-43171Medium5.52026-05-06In the Linux kernel, the following vulnerability has been resolved: EFI/CPER: don't dump the entire memory region The current logic at cper_print_fw_err() do…
CVE-2026-37459High7.52026-05-04An integer underflow in FRRouting (FRR) stable/10.0 to stable/10.6 allows attackers to cause a Denial of Service (DoS) via supplying a crafted BGP UPDATE messa…
CVE-2026-7736High7.32026-05-04A vulnerability was determined in osrg GoBGP up to 4.3.0. Affected by this vulnerability is the function parseRibEntry of the file pkg/packet/mrt/mrt.go. Execu…
CVE-2026-37534Critical9.82026-05-01Integer underflow vulnerability in Open-SAE-J1939 thru commit b6caf884df46435e539b1ecbf92b6c29b345bdfe (2025-11-30) in SAE_J1939_Read_Transport_Protocol_Data_T…
CVE-2026-33845High7.52026-04-30A flaw in GnuTLS DTLS handshake parsing allows malformed fragments with zero length and non-zero offset, leading to an integer underflow during reassembly and…