CVE-2026-71488

league/commonmark is a PHP library for parsing and rendering CommonMark Markdown. From 0.6.0 until 2.9.0, specially crafted Markdown lines can cause the parser to have quadratic time complexity when converting, because several parsing paths repeatedly rescan growing portions of a line to translat...

CVE-2026-71488 league/commonmark: Quadratic-time denial of service when parsing crafted Markdown

league/commonmark is a PHP library for parsing and rendering CommonMark Markdown. From 0.6.0 until 2.9.0, specially crafted Markdown lines can cause the parser to have quadratic time complexity when converting, because several parsing paths repeatedly rescan growing portions of a line to translat...

CVE-2026-71488 league/commonmark: Quadratic-time denial of service when parsing crafted Markdown

league/commonmark is a PHP library for parsing and rendering CommonMark Markdown. From 0.6.0 until 2.9.0, specially crafted Markdown lines can cause the parser to have quadratic time complexity when converting, because several parsing paths repeatedly rescan growing portions of a line to translat...

CVE-2026-71488

The CVE concerns league/commonmark (PHP) with a vulnerability in versions 0.6.0–2.9.0 where crafted Markdown can trigger quadratic-time processing during parsing/conversion. The root cause involves repeatedly rescanning growing segments to translate character positions to byte positions, and the ...

EUVD-2022-41748

Malicious code in bioql PyPI...

Fedora 39 : ghostwriter (2023-d1e9e62a92)

The remote Fedora 39 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2023-d1e9e62a92 advisory. Automatic update for ghostwriter-23.03.90-2.fc39. Changelog Sat Apr 1 2023 Vitaly Zaitsev - 23.03.90-2 - Switched to Ninja. - Explicitly set Release...

RSEC-2023-7 Denial of Service (DoS) and Arbitrary Code Execution (ACE) vulnerabilities

cmark-gfm, GitHub's extended CommonMark library, has multiple vulnerabilities. Versions prior to 0.29.0.gfm.6 suffer from a polynomial time complexity issue in the autolink extension, causing denial of service. Also, versions before 0.29.0.gfm.3 and 0.28.3.gfm.21 contain an integer overflow in...

Out-of-bounds Read

Overview Affected versions of this package are vulnerable to Out-of-bounds Read in the validateprotocol function in extensions/autolink.c, which exposes malloc metadata. NOTE: The maintainers believe this is harmless. PoC sh echo "to:[email protected]" | ./src/cmark-gfm -e autolink Remediation...

Fedora 35 : ghc-cmark-gfm (2022-f1aed93db8)

The remote Fedora 35 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2022-f1aed93db8 advisory. updates the C library to 0.29.0.gfm.6 which fixes CVE-2022-39209 Tenable has extracted the preceding description block directly from the Fedora...

CVE-2022-39209

cmark-gfm is GitHub's fork of cmark, a CommonMark parsing and rendering library and program in C. In versions prior to 0.29.0.gfm.6 a polynomial time complexity issue in cmark-gfm's autolink extension may lead to unbounded resource exhaustion and subsequent denial of service. Users may verify the...

GHSA-4QW4-JPP4-8GVP Unbounded resource exhaustion in cmark-gfm autolink extension may lead to denial of service

Impact CommonMarker uses cmark-gfm for rendering Github Flavored Markdown. A polynomial time complexity issue in cmark-gfm's autolink extension may lead to unbounded resource exhaustion and subsequent denial of service. Patches This vulnerability has been patched in the following CommonMarker...

Unbounded resource exhaustion in cmark-gfm autolink extension may lead to denial of service

Impact CommonMarker uses cmark-gfm for rendering Github Flavored Markdown. A polynomial time complexity issue in cmark-gfm's autolink extension may lead to unbounded resource exhaustion and subsequent denial of service. Patches This vulnerability has been patched in the following CommonMarker...

PT-2022-28194 · Unknown +1 · Commonmarker +1

Name of the Vulnerable Software and Affected Versions: CommonMarker versions prior to 0.23.6 Description: A polynomial time complexity issue in the autolink extension of cmark-gfm, used by CommonMarker for rendering Github Flavored Markdown, may lead to unbounded resource exhaustion and subsequen...

CVE-2022-39209

cmark-gfm is GitHub's fork of cmark, a CommonMark parsing and rendering library and program in C. In versions prior to 0.29.0.gfm.6 a polynomial time complexity issue in cmark-gfm's autolink extension may lead to unbounded resource exhaustion and subsequent denial of service. Users may verify the...

Code injection

cmark-gfm is GitHub's fork of cmark, a CommonMark parsing and rendering library and program in C. In versions prior to 0.29.0.gfm.6 a polynomial time complexity issue in cmark-gfm's autolink extension may lead to unbounded resource exhaustion and subsequent denial of service. Users may verify the...

CVE-2022-39209 Uncontrolled Resource Consumption in cmark-gfm

cmark-gfm is GitHub's fork of cmark, a CommonMark parsing and rendering library and program in C. In versions prior to 0.29.0.gfm.6 a polynomial time complexity issue in cmark-gfm's autolink extension may lead to unbounded resource exhaustion and subsequent denial of service. Users may verify the...

CVE-2022-39209 Uncontrolled Resource Consumption in cmark-gfm

cmark-gfm is GitHub's fork of cmark, a CommonMark parsing and rendering library and program in C. In versions prior to 0.29.0.gfm.6 a polynomial time complexity issue in cmark-gfm's autolink extension may lead to unbounded resource exhaustion and subsequent denial of service. Users may verify the...

CVE-2022-39209

cmark-gfm is GitHub's fork of cmark, a CommonMark parsing and rendering library and program in C. In versions prior to 0.29.0.gfm.6 a polynomial time complexity issue in cmark-gfm's autolink extension may lead to unbounded resource exhaustion and subsequent denial of service. Users may verify the...

CVE-2022-39209 Uncontrolled Resource Consumption in cmark-gfm

cmark-gfm is GitHub's fork of cmark, a CommonMark parsing and rendering library and program in C. In versions prior to 0.29.0.gfm.6 a polynomial time complexity issue in cmark-gfm's autolink extension may lead to unbounded resource exhaustion and subsequent denial of service. Users may verify the...

GitHub: DoS via markdown API from unauthenticated user

cmark-gfm is GitHub's fork of cmark, a CommonMark parsing and rendering library and program in C. In versions prior to 0.29.0.gfm.6 a polynomial time complexity issue in cmark-gfm's autolink extension may lead to unbounded resource exhaustion and subsequent denial of service. Users may verify the...