CVE-2023-26485 Quadratic complexity may lead to a denial of service in cmark-gfm

cmark-gfm is GitHub's fork of cmark, a CommonMark parsing and rendering library and program in C. A polynomial time complexity issue in cmark-gfm may lead to unbounded resource exhaustion and subsequent denial of service. This CVE covers quadratic complexity issues when parsing text which leads...

CVE-2023-24824

creationtimestamp| type| source ---|---|--- 2023-03-31 19:16:06+00:00| published-proof-of-concept| https://github.com/github/cmark-gfm/security/advisories/GHSA-66g8-4hjf-77xh 2026-07-13 22:00:17+00:00| seen| https://t.me/GithubRedTeam/91154 2026-07-13 22:00:17+00:00| seen|...

PT-2023-19806 · Cmark-Gfm +4 · Cmark-Gfm +4

Name of the Vulnerable Software and Affected Versions: cmark-gfm versions prior to 0.29.0.gfm.10 Description: A polynomial time complexity issue in cmark-gfm may lead to unbounded resource exhaustion and subsequent denial of service. This issue is related to quadratic complexity when parsing text...

cmark-gfm 资源管理错误漏洞

cmark-gfm is an extended version of the C reference implementation of CommonMark, a rationalized version with canonical Markdown syntax. A resource management error vulnerability exists in cmark-gfm. An attacker could exploit this vulnerability to cause unlimited resource exhaustion and subsequen...

GHSA-XXMQ-4VPH-956W Comrak vulnerable to production of excessive output when parsing Markdown (GHSL-2023-048)

Impact comrak is vulnerable to the upstream cmark issue, "Issue revealed by fuzzer". A large number of references in a markdown document can trigger an overly large response. Patches 0.17.0 contains https://github.com/kivikakk/comrak/commit/70f97f3ea4eae30ffbd1b94c764a3de2f1c41d2a, which limits...

SUSE CVE-2022-24724

cmark-gfm is GitHub's extended version of the C reference implementation of CommonMark. Prior to versions 0.29.0.gfm.3 and 0.28.3.gfm.21, an integer overflow in cmark-gfm's table row parsing table.c:rowfromstring may lead to heap memory corruption when parsing tables who's marker rows contain mor...

SUSE CVE-2023-22483

cmark-gfm is GitHub's fork of cmark, a CommonMark parsing and rendering library and program in C. Versions prior to 0.29.0.gfm.7 are subject to several polynomial time complexity issues in cmark-gfm that may lead to unbounded resource exhaustion and subsequent denial of service. Various commands,...

SUSE CVE-2023-22484

cmark-gfm is GitHub's fork of cmark, a CommonMark parsing and rendering library and program in C. Versions prior to 0.29.0.gfm.7 are subject to a polynomial time complexity issue in cmark-gfm that may lead to unbounded resource exhaustion and subsequent denial of service. This vulnerability has...

SUSE CVE-2023-22485

cmark-gfm is GitHub's fork of cmark, a CommonMark parsing and rendering library and program in C. In versions prior 0.29.0.gfm.7, a crafted markdown document can trigger an out-of-bounds read in the validateprotocol function. We believe this bug is harmless in practice, because the out-of-bounds...

CVE-2023-22486

cmark-gfm is GitHub's fork of cmark, a CommonMark parsing and rendering library and program in C. Versions prior to 0.29.0.gfm.7 contain a polynomial time complexity issue in handleclosebracket that may lead to unbounded resource exhaustion and subsequent denial of service. This vulnerability has...

DEBIAN-CVE-2023-22486

cmark-gfm is GitHub's fork of cmark, a CommonMark parsing and rendering library and program in C. Versions prior to 0.29.0.gfm.7 contain a polynomial time complexity issue in handleclosebracket that may lead to unbounded resource exhaustion and subsequent denial of service. This vulnerability has...

Denial of service

cmark-gfm is GitHub's fork of cmark, a CommonMark parsing and rendering library and program in C. Versions prior to 0.29.0.gfm.7 contain a polynomial time complexity issue in handleclosebracket that may lead to unbounded resource exhaustion and subsequent denial of service. This vulnerability has...

UBUNTU-CVE-2023-22486

cmark-gfm is GitHub's fork of cmark, a CommonMark parsing and rendering library and program in C. Versions prior to 0.29.0.gfm.7 contain a polynomial time complexity issue in handleclosebracket that may lead to unbounded resource exhaustion and subsequent denial of service. This vulnerability has...

cmark-gfm 资源管理错误漏洞

cmark-gfm is an extended version of the C reference implementation of CommonMark, a rationalized version with canonical Markdown syntax. A resource management error vulnerability exists in versions prior to cmark-gfm 0.29.0.gfm.7, which stems from the inclusion of a polynomial time complexity iss...

CVE-2023-22486

cmark-gfm is GitHub's fork of cmark, a CommonMark parsing and rendering library and program in C. Versions prior to 0.29.0.gfm.7 contain a polynomial time complexity issue in handleclosebracket that may lead to unbounded resource exhaustion and subsequent denial of service. This vulnerability has...

GHSA-636F-XM5J-PJ9M Several quadratic complexity bugs may lead to denial of service in Commonmarker

Impact Several quadratic complexity bugs in commonmarker's underlying cmark-gfm library may lead to unbounded resource exhaustion and subsequent denial of service. The following vulnerabilities were addressed: CVE-2023-22483 CVE-2023-22484 CVE-2023-22485 CVE-2023-22486 For more information, consu...

CVE-2023-22486 cmark-gfm Quadratic complexity bug in handle_close_bracket may lead to a denial of service

cmark-gfm is GitHub's fork of cmark, a CommonMark parsing and rendering library and program in C. Versions prior to 0.29.0.gfm.7 contain a polynomial time complexity issue in handleclosebracket that may lead to unbounded resource exhaustion and subsequent denial of service. This vulnerability has...

CVE-2023-22486 cmark-gfm Quadratic complexity bug in handle_close_bracket may lead to a denial of service

cmark-gfm is GitHub's fork of cmark, a CommonMark parsing and rendering library and program in C. Versions prior to 0.29.0.gfm.7 contain a polynomial time complexity issue in handleclosebracket that may lead to unbounded resource exhaustion and subsequent denial of service. This vulnerability has...

CVE-2023-22486

The CVE-2023-22486 issue affects cmark-gfm (GitHub’s fork of cmark). Versions prior to 0.29.0.gfm.7 contain a polynomial-time complexity bug in handle_close_bracket that can lead to unbounded resource exhaustion and denial of service. The vulnerability is explicitly noted as patched in 0.29.0.gfm...

CVE-2023-22486 cmark-gfm Quadratic complexity bug in handle_close_bracket may lead to a denial of service

cmark-gfm is GitHub's fork of cmark, a CommonMark parsing and rendering library and program in C. Versions prior to 0.29.0.gfm.7 contain a polynomial time complexity issue in handleclosebracket that may lead to unbounded resource exhaustion and subsequent denial of service. This vulnerability has...