CWE-834 · Excessive Iteration

114 CVEs classified under CWE-834 (Excessive Iteration). Browse by severity and year.

Top CVEs for CWE-834
CVESeverityScorePublishedSummary
CVE-2017-12587High8.82017-08-06ImageMagick 7.0.6-1 has a large loop vulnerability in the ReadPWPImage function in coders\pwp.c.
CVE-2024-42071High7.82024-07-29In the Linux kernel, the following vulnerability has been resolved: ionic: use dev_consume_skb_any outside of napi If we're not in a NAPI softirq context, we…
CVE-2026-59644High7.52026-08-03In Bouncy Castle for Java before 1.85, MLS hash-ratchet honours arbitrary 32-bit generation counter from sender.
CVE-2026-64641High7.52026-07-27Next.js is a React framework for building full-stack web applications. In versions 13.0.0 through 15.5.20 and 16.0.0 through 16.2.10, crafted requests targetin…
CVE-2025-67726High7.52025-12-12Tornado is a Python web framework and asynchronous networking library. Versions 6.5.2 and below use an inefficient algorithm when parsing parameters for HTTP h…
CVE-2025-62707High7.52025-10-22pypdf is a free and open-source pure-python PDF library. Prior to version 6.1.3, an attacker who uses this vulnerability can craft a PDF which leads to an infi…
CVE-2025-56571High7.52025-09-30Finance.js v4.1.0 contains a Denial of Service (DoS) vulnerability via the IRR function’s depth parameter. Improper handling of the recursion/iteration limit c…
CVE-2025-6714High7.52025-07-07MongoDB Server's mongos component can become unresponsive to new connections due to incorrect handling of incomplete data. This affects MongoDB when configured…
CVE-2024-4227High7.52025-01-15In Genivia gSOAP with a specific configuration an unauthenticated remote attacker can generate a high CPU load when forcing to parse an XML having duplicate ID…
CVE-2024-0842High7.52024-02-09The Backuply – Backup, Restore, Migrate and Clone plugin for WordPress is vulnerable to Denial of Service in all versions up to, and including, 1.2.6. This is…
CVE-2023-49316High7.52023-11-27In Math/BinaryField.php in phpseclib 3 before 3.0.34, excessively large degrees can lead to a denial of service.
CVE-2023-5632High7.52023-10-18In Eclipse Mosquito before and including 2.0.5, establishing a connection to the mosquitto server without sending data causes the EPOLLOUT event to be added, w…
CVE-2023-33953High7.52023-08-09gRPC contains a vulnerability that allows hpack table accounting errors could lead to unwanted disconnects between clients and servers in exceptional cases/ Th…
CVE-2023-38200High7.52023-07-24A flaw was found in Keylime. Due to their blocking nature, the Keylime registrar is subject to a remote denial of service against its SSL connections. This fla…
CVE-2023-26513High7.52023-03-20Excessive Iteration vulnerability in Apache Software Foundation Apache Sling Resource Merger.This issue affects Apache Sling Resource Merger: from 1.2.0 before…
CVE-2021-4021High7.52022-02-24A vulnerability was found in Radare2 in versions prior to 5.6.2, 5.6.0, 5.5.4 and 5.5.2. Mapping a huge section filled with zeros of an ELF64 binary for MIPS a…
CVE-2021-4190High7.52021-12-30Large loop in the Kafka dissector in Wireshark 3.6.0 allows denial of service via packet injection or crafted capture file
CVE-2021-39924High7.52021-11-19Large loop in the Bluetooth DHT dissector in Wireshark 3.4.0 to 3.4.9 and 3.2.0 to 3.2.17 allows denial of service via packet injection or crafted capture file
CVE-2021-39923High7.52021-11-19Large loop in the PNRP dissector in Wireshark 3.4.0 to 3.4.9 and 3.2.0 to 3.2.17 allows denial of service via packet injection or crafted capture file
CVE-2021-39204High7.52021-09-09Pomerium is an open source identity-aware access proxy. Envoy, which Pomerium is based on, incorrectly handles resetting of HTTP/2 streams with excessive compl…
All CVEs classified under CWE-834 — newest first (page 1 of 2)
CVESeverityScorePublishedSummary
CVE-2026-843112026-09-01pypdf is a free and open-source pure-python PDF library. Prior to 6.16.1, an attacker can craft a PDF that causes pypdf/_page.py PageObject._extract_text and P…
CVE-2026-843102026-09-01pypdf is a free and open-source pure-python PDF library. Prior to 6.16.1, an attacker can craft a PDF that causes pypdf/_doc_common.py _get_outline to consume…
CVE-2026-773572026-08-25Mesop is a Python-based UI framework that allows users to build web applications. Prior to 1.3.3, applications running in debug mode expose a GET /hot-reload e…
CVE-2026-718522026-08-07pypdf is a free and open-source pure-python PDF library. Prior to 6.15.0, a crafted PDF can cause long runtimes and large memory consumption when pypdf/_font.p…
CVE-2026-59644High7.52026-08-03In Bouncy Castle for Java before 1.85, MLS hash-ratchet honours arbitrary 32-bit generation counter from sender.
CVE-2026-64641High7.52026-07-27Next.js is a React framework for building full-stack web applications. In versions 13.0.0 through 15.5.20 and 16.0.0 through 16.2.10, crafted requests targetin…
CVE-2026-50171Medium6.12026-06-22Angular is a development platform for building mobile and desktop web applications using TypeScript/JavaScript and other languages. Prior to 22.0.0-rc.2, 21.2…
CVE-2026-45680Medium5.92026-06-02OpenTelemetry eBPF Instrumentation provides eBPF instrumentation based on the OpenTelemetry standard. Prior to version 0.9.0, OBI replays BPF probe hits into h…
CVE-2026-48156Low3.32026-05-28pypdf is a free and open-source pure-python PDF library. Prior to 6.12.0, an attacker who uses this vulnerability can craft a PDF which leads to long runtimes…
CVE-2026-41313Medium6.52026-04-22pypdf is a free and open-source pure-python PDF library. An attacker who uses a vulnerability present in versions prior to 6.10.2 can craft a PDF which leads t…
CVE-2026-41168Medium5.32026-04-22pypdf is a free and open-source pure-python PDF library. An attacker who uses a vulnerability present in versions prior to 6.10.1 can craft a PDF which leads t…
CVE-2026-40347Medium5.32026-04-18Python-Multipart is a streaming multipart parser for Python. Versions prior to 0.0.26 have a denial of service vulnerability when parsing crafted `multipart/fo…
CVE-2026-34043Medium5.92026-03-31Serialize JavaScript to a superset of JSON that includes regular expressions and functions. Prior to version 7.0.5, there is a Denial of Service (DoS) vulnerab…
CVE-2026-27025Medium5.52026-02-20pypdf is a free and open-source pure-python PDF library. Prior to 6.7.1, an attacker who uses this vulnerability can craft a PDF which leads to long runtimes a…
CVE-2025-67726High7.52025-12-12Tornado is a Python web framework and asynchronous networking library. Versions 6.5.2 and below use an inefficient algorithm when parsing parameters for HTTP h…
CVE-2025-55181Medium5.32025-12-02Sending an HTTP request/response body with greater than 2^31 bytes triggers an infinite loop in proxygen::coro::HTTPQuicCoroSession which blocks the backing ev…
CVE-2025-62707High7.52025-10-22pypdf is a free and open-source pure-python PDF library. Prior to version 6.1.3, an attacker who uses this vulnerability can craft a PDF which leads to an infi…
CVE-2025-56571High7.52025-09-30Finance.js v4.1.0 contains a Denial of Service (DoS) vulnerability via the IRR function’s depth parameter. Improper handling of the recursion/iteration limit c…
CVE-2025-6714High7.52025-07-07MongoDB Server's mongos component can become unresponsive to new connections due to incorrect handling of incomplete data. This affects MongoDB when configured…
CVE-2024-4227High7.52025-01-15In Genivia gSOAP with a specific configuration an unauthenticated remote attacker can generate a high CPU load when forcing to parse an XML having duplicate ID…
CVE-2024-8049Medium6.52024-11-13In Progress Telerik Document Processing Libraries, versions prior to 2024 Q4 (2024.4.1106), importing a document with unsupported features can lead to excessiv…
CVE-2022-48939Low3.32024-08-22In the Linux kernel, the following vulnerability has been resolved: bpf: Add schedule points in batch ops syzbot reported various soft lockups caused by bpf…
CVE-2024-42237Medium5.52024-08-07In the Linux kernel, the following vulnerability has been resolved: firmware: cs_dsp: Validate payload length before processing block Move the payload length…
CVE-2024-42071High7.82024-07-29In the Linux kernel, the following vulnerability has been resolved: ionic: use dev_consume_skb_any outside of napi If we're not in a NAPI softirq context, we…
CVE-2024-4603Medium5.32024-05-16Issue summary: Checking excessively long DSA keys or parameters may be very slow. Impact summary: Applications that use the functions EVP_PKEY_param_check() o…
CVE-2024-0842High7.52024-02-09The Backuply – Backup, Restore, Migrate and Clone plugin for WordPress is vulnerable to Denial of Service in all versions up to, and including, 1.2.6. This is…
CVE-2024-25144Medium4.12024-02-08The IFrame widget in Liferay Portal 7.2.0 through 7.4.3.26, and older unsupported versions, and Liferay DXP 7.4 before update 27, 7.3 before update 6, 7.2 befo…
CVE-2023-49316High7.52023-11-27In Math/BinaryField.php in phpseclib 3 before 3.0.34, excessively large degrees can lead to a denial of service.
CVE-2023-4043Medium5.92023-11-03In Eclipse Parsson before versions 1.1.4 and 1.0.5, Parsing JSON from untrusted sources can lead malicious actors to exploit the fact that the built-in support…
CVE-2023-5632High7.52023-10-18In Eclipse Mosquito before and including 2.0.5, establishing a connection to the mosquitto server without sending data causes the EPOLLOUT event to be added, w…
CVE-2023-33953High7.52023-08-09gRPC contains a vulnerability that allows hpack table accounting errors could lead to unwanted disconnects between clients and servers in exceptional cases/ Th…
CVE-2023-29407Medium6.52023-08-02A maliciously-crafted image can cause excessive CPU consumption in decoding. A tiled image with a height of 0 and a very large width can cause excessive CPU co…
CVE-2023-3817Medium5.32023-07-31Issue summary: Checking excessively long DH keys or parameters may be very slow. Impact summary: Applications that use the functions DH_check(), DH_check_ex()…
CVE-2023-38200High7.52023-07-24A flaw was found in Keylime. Due to their blocking nature, the Keylime registrar is subject to a remote denial of service against its SSL connections. This fla…
CVE-2023-30226Medium5.52023-07-12An issue was discovered in function get_gnu_verneed in rizinorg Rizin prior to 0.5.0 verneed_entry allows attackers to cause a denial of service via crafted el…
CVE-2023-1993Medium6.32023-04-12LISP dissector large loop in Wireshark 4.0.0 to 4.0.4 and 3.6.0 to 3.6.12 allows denial of service via packet injection or crafted capture file
CVE-2023-26513High7.52023-03-20Excessive Iteration vulnerability in Apache Software Foundation Apache Sling Resource Merger.This issue affects Apache Sling Resource Merger: from 1.2.0 before…
CVE-2023-0411Medium6.32023-01-26Excessive loops in multiple dissectors in Wireshark 4.0.0 to 4.0.2 and 3.6.0 to 3.6.10 and allows denial of service via packet injection or crafted capture file
CVE-2022-3616Medium5.42022-10-28Attackers can create long chains of CAs that would lead to OctoRPKI exceeding its max iterations parameter. In consequence it would cause the program to crash…
CVE-2022-36083Medium5.32022-09-07JOSE is "JSON Web Almost Everything" - JWA, JWS, JWE, JWT, JWK, JWKS with no dependencies using runtime's native crypto in Node.js, Browser, Cloudflare Workers…
CVE-2021-4021High7.52022-02-24A vulnerability was found in Radare2 in versions prior to 5.6.2, 5.6.0, 5.5.4 and 5.5.2. Mapping a huge section filled with zeros of an ELF64 binary for MIPS a…
CVE-2022-0585Medium4.32022-02-18Large loops in multiple protocol dissectors in Wireshark 3.6.0 to 3.6.1 and 3.4.0 to 3.4.11 allow denial of service via packet injection or crafted capture file
CVE-2021-4190High7.52021-12-30Large loop in the Kafka dissector in Wireshark 3.6.0 allows denial of service via packet injection or crafted capture file
CVE-2021-43545Medium6.52021-12-08Using the Location API in a loop could have caused severe application hangs and crashes. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0…
CVE-2021-39924High7.52021-11-19Large loop in the Bluetooth DHT dissector in Wireshark 3.4.0 to 3.4.9 and 3.2.0 to 3.2.17 allows denial of service via packet injection or crafted capture file
CVE-2021-39923High7.52021-11-19Large loop in the PNRP dissector in Wireshark 3.4.0 to 3.4.9 and 3.2.0 to 3.2.17 allows denial of service via packet injection or crafted capture file
CVE-2021-0687Medium5.02021-10-06In ellipsize of Layout.java, there is a possible ANR due to improper input validation. This could lead to local denial of service with no additional execution…
CVE-2021-39204High7.52021-09-09Pomerium is an open source identity-aware access proxy. Envoy, which Pomerium is based on, incorrectly handles resetting of HTTP/2 streams with excessive compl…
CVE-2021-32778Medium5.82021-08-24Envoy is an open source L7 proxy and communication bus designed for large modern service oriented architectures. In affected versions envoy’s procedure for res…
CVE-2021-21565Medium5.32021-08-03Dell PowerScale OneFS versions 9.1.0.3 and earlier contain a denial of service vulnerability. SmartConnect had an error condition that may be triggered to loop…
CVE-2021-35515High7.52021-07-13When reading a specially crafted 7Z archive, the construction of the list of codecs that decompress an entry can result in an infinite loop. This could be used…
CVE-2021-31812Medium5.52021-06-12In Apache PDFBox, a carefully crafted PDF file can trigger an infinite loop while loading the file. This issue affects Apache PDFBox version 2.0.23 and prior 2…
CVE-2021-3128High7.52021-04-12In ASUS RT-AX3000, ZenWiFi AX (XT8), RT-AX88U, and other ASUS routers with firmware < 3.0.0.4.386.42095 or < 9.0.0.4.386.41994, when IPv6 is used, a routing lo…
CVE-2021-3125High7.52021-04-12In TP-Link TL-XDR3230 < 1.0.12, TL-XDR1850 < 1.0.9, TL-XDR1860 < 1.0.14, TL-XDR3250 < 1.0.2, TL-XDR6060 Turbo < 1.1.8, TL-XDR5430 < 1.0.11, and possibly others…
CVE-2021-23270High7.52021-04-12In Gargoyle OS 1.12.0, when IPv6 is used, a routing loop can occur that generates excessive network traffic between an affected device and its upstream ISP's r…
CVE-2021-28950Medium5.52021-03-20An issue was discovered in fs/fuse/fuse_i.h in the Linux kernel before 5.11.8. A "stall on CPU" can occur because a retry loop continually finds the same bad i…
CVE-2021-27807Medium5.52021-03-19A carefully crafted PDF file can trigger an infinite loop while loading the file. This issue affects Apache PDFBox version 2.0.22 and prior 2.0.x versions.
CVE-2020-35573High7.52020-12-20srs2.c in PostSRSd before 1.10 allows remote attackers to cause a denial of service (CPU consumption) via a long timestamp tag in an SRS address.
CVE-2018-20805Medium6.52020-11-23A user authorized to perform database queries may trigger denial of service by issuing specially crafted queries, which perform an $elemMatch . This issue affe…
CVE-2020-14303High7.52020-07-06A flaw was found in the AD DC NBT server in all Samba versions before 4.10.17, before 4.11.11 and before 4.12.4. A samba user could send an empty UDP packet to…
CVE-2020-0175Medium6.52020-06-11In XMF_ReadNode of eas_xmf.c, there is possible resource exhaustion due to improper input validation. This could lead to remote denial of service with no addit…
CVE-2020-0174Medium6.52020-06-11In Parse_ptbl of eas_mdls.c, there is possible resource exhaustion due to a missing bounds check. This could lead to remote denial of service with no additiona…
CVE-2020-0172Medium6.52020-06-11In Parse_art of eas_mdls.c, there is possible resource exhaustion due to a missing bounds check. This could lead to remote denial of service with no additional…
CVE-2020-0171Medium6.52020-06-11In Parse_lart of eas_mdls.c, there is possible resource exhaustion due to a missing bounds check. This could lead to remote denial of service with no additiona…
CVE-2020-0170Medium6.52020-06-11In IMY_Event of eas_imelody.c, there is possible resource exhaustion due to a missing bounds check. This could lead to remote denial of service with no additio…
CVE-2020-0169Medium6.52020-06-11In RTTTL_Event of eas_rtttl.c, there is possible resource exhaustion due to a missing bounds check. This could lead to remote denial of service with no additio…
CVE-2020-8992Medium5.52020-02-14ext4_protect_reserved_inode in fs/ext4/block_validity.c in the Linux kernel through 5.5.3 allows attackers to cause a denial of service (soft lockup) via a cra…
CVE-2019-9376Medium5.52019-09-27In Account of Account.java, there is a possible boot loop due to improper input validation. This could lead to local denial of service with no additional execu…
CVE-2019-12973Medium5.52019-06-26In OpenJPEG 2.3.1, there is excessive iteration in the opj_t1_encode_cblks function of openjp2/t1.c. Remote attackers could leverage this vulnerability to caus…
CVE-2019-3565High7.52019-05-06Legacy C++ Facebook Thrift servers (using cpp instead of cpp2) would not error upon receiving messages with containers of fields of unknown type. As a result…
CVE-2019-3564High7.52019-05-06Go Facebook Thrift servers would not error upon receiving messages with containers of fields of unknown type. As a result, malicious clients could send short m…
CVE-2019-3559High7.52019-05-06Java Facebook Thrift servers would not error upon receiving messages with containers of fields of unknown type. As a result, malicious clients could send short…
CVE-2019-3558High7.52019-05-06Python Facebook Thrift servers would not error upon receiving messages with containers of fields of unknown type. As a result, malicious clients could send sho…
CVE-2019-3552High7.52019-05-06C++ Facebook Thrift servers (using cpp2) would not error upon receiving messages with containers of fields of unknown type. As a result, malicious clients coul…
CVE-2019-9547Medium5.32019-03-01In Storage Performance Development Kit (SPDK) before 19.01, a malicious vhost client (i.e., virtual machine) could carefully construct a circular descriptor ch…
CVE-2018-18651Medium5.52018-10-25An issue was discovered in Xpdf 4.00. catalog->getNumPages() in AcroForm.cc allows attackers to launch a denial of service (hang caused by large loop) via a sp…
CVE-2018-14342High7.52018-07-19In Wireshark 2.6.0 to 2.6.1, 2.4.0 to 2.4.7, and 2.2.0 to 2.2.15, the BGP protocol dissector could go into a large loop. This was addressed in epan/dissectors/…
CVE-2018-11813High7.52018-06-06libjpeg 9c has a large loop because read_pixel in rdtarga.c mishandles EOF.
CVE-2018-11507Medium6.52018-05-28An issue was discovered in Free Lossless Image Format (FLIF) 0.3. An attacker can trigger a long loop in image_load_pnm in image/image-pnm.cpp.
CVE-2017-13279Medium5.52018-04-04In M3UParser::parse of M3UParser.cpp, there is a memory resource exhaustion due to a large loop of pushing items into a vector. This could lead to remote denia…
CVE-2018-9261High7.52018-04-04In Wireshark 2.4.0 to 2.4.5 and 2.2.0 to 2.2.13, the NBAP dissector could crash with a large loop that ends with a heap-based buffer overflow. This was address…
CVE-2018-9133Medium6.52018-03-30ImageMagick 7.0.7-26 Q16 has excessive iteration in the DecodeLabImage and EncodeLabImage functions (coders/tiff.c), which results in a hang (tens of minutes)…
CVE-2018-7323High7.52018-02-23In Wireshark 2.4.0 to 2.4.4 and 2.2.0 to 2.2.12, epan/dissectors/packet-wccp.c had a large loop that was addressed by ensuring that a calculated length was mon…
CVE-2018-7321High7.52018-02-23In Wireshark 2.4.0 to 2.4.4 and 2.2.0 to 2.2.12, epan/dissectors/packet-thrift.c had a large loop that was addressed by not proceeding with dissection after en…
CVE-2018-5252Medium5.32018-01-05libimageworsener.a in ImageWorsener 1.3.2, when libjpeg 8d is used, has a large loop in the get_raw_sample_int function in imagew-main.c.
CVE-2017-17914Medium6.52017-12-27In ImageMagick 7.0.7-16 Q16, a vulnerability was found in the function ReadOnePNGImage in coders/png.c, which allows attackers to cause a denial of service (Re…
CVE-2017-14222Medium6.52017-09-09In libavformat/mov.c in FFmpeg 3.3.3, a DoS in read_tfra() due to lack of an EOF (End of File) check might cause huge CPU and memory consumption. When a crafte…
CVE-2017-0775Medium5.52017-09-08A denial of service vulnerability in the Android media framework (libstagefright). Product: Android. Versions: 4.4.4, 5.0.2, 5.1.1, 6.0, 6.0.1, 7.0, 7.1.1, 7.1…
CVE-2017-14175Medium6.52017-09-07In coders/xbm.c in ImageMagick 7.0.6-1 Q16, a DoS in ReadXBMImage() due to lack of an EOF (End of File) check might cause huge CPU consumption. When a crafted…
CVE-2017-14174Medium6.52017-09-07In coders/psd.c in ImageMagick 7.0.7-0 Q16, a DoS in ReadPSDLayersInternal() due to lack of an EOF (End of File) check might cause huge CPU consumption. When a…
CVE-2017-14172Medium6.52017-09-07In coders/ps.c in ImageMagick 7.0.7-0 Q16, a DoS in ReadPSImage() due to lack of an EOF (End of File) check might cause huge CPU consumption. When a crafted PS…
CVE-2017-14171Medium6.52017-09-07In libavformat/nsvdec.c in FFmpeg 2.4 and 3.3.3, a DoS in nsv_parse_NSVf_header() due to lack of an EOF (End of File) check might cause huge CPU consumption. W…
CVE-2017-14170Medium6.52017-09-07In libavformat/mxfdec.c in FFmpeg 3.3.3 -> 2.4, a DoS in mxf_read_index_entry_array() due to lack of an EOF (End of File) check might cause huge CPU consumptio…
CVE-2017-14059Medium6.52017-08-31In FFmpeg 3.3.3, a DoS in cine_read_header() due to lack of an EOF check might cause huge CPU and memory consumption. When a crafted CINE file, which claims a…
CVE-2017-14057Medium6.52017-08-31In FFmpeg 3.3.3, a DoS in asf_read_marker() due to lack of an EOF (End of File) check might cause huge CPU and memory consumption. When a crafted ASF file, whi…
CVE-2017-14056Medium6.52017-08-31In libavformat/rl2.c in FFmpeg 3.3.3, a DoS in rl2_read_header() due to lack of an EOF (End of File) check might cause huge CPU and memory consumption. When a…
CVE-2017-14055Medium6.52017-08-31In libavformat/mvdec.c in FFmpeg 3.3.3, a DoS in mv_read_header() due to lack of an EOF (End of File) check might cause huge CPU and memory consumption. When a…
CVE-2017-14054Medium6.52017-08-31In libavformat/rmdec.c in FFmpeg 3.3.3, a DoS in ivr_read_header() due to lack of an EOF (End of File) check might cause huge CPU consumption. When a crafted I…
CVE-2017-13777Medium6.52017-08-30GraphicsMagick 1.3.26 has a denial of service issue in ReadXBMImage() in a coders/xbm.c "Read hex image data" version==10 case that results in the reader not r…
CVE-2017-13776Medium6.52017-08-30GraphicsMagick 1.3.26 has a denial of service issue in ReadXBMImage() in a coders/xbm.c "Read hex image data" version!=10 case that results in the reader not r…