CVE-2026-105830

league/commonmark from 2.0.0 before 2.10.2 contains a quadratic-time denial of service vulnerability in the GitHub Flavored Markdown Table extension's TableStartParser::tryStart block-start scan. Unauthenticated attackers can submit a large paragraph of pipe-free lines not starting with letters,...

EUVD-2026-95017

league/commonmark from 2.0.0 before 2.10.2 contains a quadratic-time denial of service vulnerability in the GitHub Flavored Markdown Table extension's TableStartParser::tryStart block-start scan. Unauthenticated attackers can submit a large paragraph of pipe-free lines not starting with letters,...

CVE-2026-105830

league/commonmark from 2.0.0 before 2.10.2 contains a quadratic-time denial of service vulnerability in the GitHub Flavored Markdown Table extension's TableStartParser::tryStart block-start scan. Unauthenticated attackers can submit a large paragraph of pipe-free lines not starting with letters,...

CVE-2026-105830

The league/commonmark library (versions 2.0.0 before 2.10.2 ) is vulnerable to a quadratic-time denial of service (DoS) attack within the GitHub Flavored Markdown Table extension. The issue resides in the TableStartParser::tryStart() block-start scan, where unauthenticated attackers can submit a ...

CVE-2026-105830 league/commonmark 2.0.0 before 2.10.2 Quadratic DoS via TableStartParser

league/commonmark from 2.0.0 before 2.10.2 contains a quadratic-time denial of service vulnerability in the GitHub Flavored Markdown Table extension's TableStartParser::tryStart block-start scan. Unauthenticated attackers can submit a large paragraph of pipe-free lines not starting with letters,...

PT-2026-107989

league/commonmark from 2.0.0 before 2.10.2 contains a quadratic-time denial of service vulnerability in the GitHub Flavored Markdown Table extension's TableStartParser::tryStart block-start scan. Unauthenticated attackers can submit a large paragraph of pipe-free lines not starting with letters,...

GHSA-3Q6V-R5MR-HXV8 league/commonmark: Quadratic-time denial of service in the GitHub Flavored Markdown Table extension block-start scan

Summary league/commonmark's GitHub Flavored Markdown Table extension registers TableStartParser as a block-start parser. While a paragraph is the active block, the core block parser calls TableStartParser::tryStart on every non-blank line. Its first action fetches the entire growing paragraph...

EUVD-2020-26457

Malware in sbrugna...

Linux Distros Unpatched Vulnerability : CVE-2020-5238

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - The table extension in GitHub Flavored Markdown before version 0.29.0.gfm.1 takes On n time to parse certain inputs. An attacker could craft a markdown table...

[SECURITY] Fedora 39 Update: rust-comrak-0.18.0-4.fc39

A 100% CommonMark-compatible GitHub Flavored Markdown parser and formatter...

Fedora: Security Advisory for rust-comrak (FEDORA-2023-e9243281cb)

The remote host is missing an update for the SPDX-FileCopyrightText: 2023 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

Fedora: Security Advisory for rust-comrak (FEDORA-2023-035d5910b9)

The remote host is missing an update for the SPDX-FileCopyrightText: 2023 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

[SECURITY] Fedora 37 Update: rust-comrak-0.18.0-1.fc37

A 100% CommonMark-compatible GitHub Flavored Markdown parser and formatter...

[SECURITY] Fedora 38 Update: rust-comrak-0.18.0-1.fc38

A 100% CommonMark-compatible GitHub Flavored Markdown parser and formatter...

DEBIAN-CVE-2023-24824

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-2023-26485 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...

SUSE CVE-2020-5238

The table extension in GitHub Flavored Markdown before version 0.29.0.gfm.1 takes On n time to parse certain inputs. An attacker could craft a markdown table which would take an unreasonably long time to process, causing a denial of service. This issue does not affect the upstream cmark project...

Markdown Preview Enhanced 操作系统命令注入漏洞

Markdown Preview Enhanced is a super-powerful markdown extension by Yiyi Wang's personal developer. A security vulnerability exists in Markdown Preview Enhanced version v0.6.5, v0.19.6. An attacker can exploit this vulnerability to execute arbitrary commands during GFM export...

[SECURITY] Fedora 37 Update: ghc-cmark-gfm-0.2.5-1.fc37

This package provides Haskell bindings for , the reference parser for , a fully specified variant of Markdown. It includes sources for libcmark-gfm 0.29.0.gfm.6 and does not require prior installation of the C library...

[SECURITY] Fedora 35 Update: ghc-cmark-gfm-0.2.5-1.fc35

This package provides Haskell bindings for , the reference parser for , a fully specified variant of Markdown. It includes sources for libcmark-gfm 0.29.0.gfm.6 and does not require prior installation of the C library...