GHSA-FFQ3-XPV3-J92Q Mistune block_parser: quadratic-time parsing on long lists of repeated reference-link definitions

Summary Type: Algorithmic-complexity DoS in reference-link definition handling. A markdown document with N reference-link definitions of the same key or many distinct keys takes ON² parser time. 5000 repeated a: u\n definitions take 1.1 second; 10000 → 4.5 seconds. File: src/mistune/blockparser.p...

EUVD-2026-42338

Mistune blockparser: quadratic-time parsing on long lists of repeated reference-link definitions...

SUSE CVE-2026-59928

Mistune is a Python Markdown parser with renderers and plugins. Prior to 3.3.0, a Markdown document containing many repeated or distinct reference-link definitions causes quadratic work in src/mistune/blockparser.py and the reflinks environment dictionary handling, allowing denial of service...

DEBIAN-CVE-2026-59928

Mistune is a Python Markdown parser with renderers and plugins. Prior to 3.3.0, a Markdown document containing many repeated or distinct reference-link definitions causes quadratic work in src/mistune/blockparser.py and the reflinks environment dictionary handling, allowing denial of service...

PYSEC-2026-2216

Mistune is a Python Markdown parser with renderers and plugins. Prior to 3.3.0, a Markdown document containing many repeated or distinct reference-link definitions causes quadratic work in src/mistune/blockparser.py and the reflinks environment dictionary handling, allowing denial of service...

CVE-2026-59928

Mistune is a Python Markdown parser with renderers and plugins. Prior to 3.3.0, a Markdown document containing many repeated or distinct reference-link definitions causes quadratic work in src/mistune/blockparser.py and the reflinks environment dictionary handling, allowing denial of service...

PT-2026-56519

Name of the Vulnerable Software and Affected Versions Mistune versions prior to 3.3.0 Description A Python Markdown parser with renderers and plugins contains an issue where a Markdown document with numerous repeated or distinct reference-link definitions triggers quadratic work within...

CVE-2026-48822

Shaarli is a personal bookmarking service. Versions 0.16.1 and prior contain a stored Cross-Site Scripting XSS vulnerability in the Markdown-to-HTML conversion process used in the Bookmark Description field. An authenticated user can inject a malicious javascript: URI inside a Markdown link. The...

CVE-2026-48822

Shaarli (versions ≤ 0.16.1) contains a stored XSS in the Bookmark Description field when a malicious javascript: URI is injected via Markdown reference links. The root cause is in BookmarkMarkdownFormatter.php: filterProtocols uses a regex that catches inline links but does not inspect Markdown r...

CVE-2026-48822 Shaarli has Stored Cross-Site Scripting (XSS) via Markdown Reference Links

Shaarli is a personal bookmarking service. Versions 0.16.1 and prior contain a stored Cross-Site Scripting XSS vulnerability in the Markdown-to-HTML conversion process used in the Bookmark Description field. An authenticated user can inject a malicious javascript: URI inside a Markdown link. The...

CVE-2026-48822 Shaarli has Stored Cross-Site Scripting (XSS) via Markdown Reference Links

Shaarli is a personal bookmarking service. Versions 0.16.1 and prior contain a stored Cross-Site Scripting XSS vulnerability in the Markdown-to-HTML conversion process used in the Bookmark Description field. An authenticated user can inject a malicious javascript: URI inside a Markdown link. The...

PT-2026-50535

Name of the Vulnerable Software and Affected Versions Shaarli versions prior to 0.16.2 Description A stored Cross-Site Scripting XSS issue exists in the Markdown-to-HTML conversion process used in the Bookmark Description field. An authenticated user can inject a malicious javascript: URI inside ...

CLEANSTART-2026-NT30039 Security fixes for CVE-2025-61727, CVE-2025-61729, CVE-2025-61732, CVE-2025-68121, CVE-2026-25680, CVE-2026-25681, CVE-2026-27136, CVE-2026-33811, CVE-2026-33814, CVE-2026-33816, CVE-2026-34986, CVE-2026-39820, CVE-2026-39821, CVE-2026-39823, CVE-2026-39824, CVE-2026-39825, CVE-2026-39826, CVE-2026-39827, CVE-2026-39828, CVE-2026-39829, CVE-2026-39830, CVE-2026-39831, CVE-2026-39832, CVE-2026-39833, CVE-2026-39834, CVE-2026-39835, CVE-2026-39836, CVE-2026-41889, CVE-2026-42499, CVE-2026-42502, CVE-2026-42506, CVE-2026-42508, CVE-2026-4659, CVE-2026-46595, CVE-2026-46597, ghsa-273p-m2cw-6833, ghsa-4c4x-jm2x-pf9j, ghsa-4qg8-fj49-pxjh, ghsa-846p-jg2w-w324, ghsa-fcv2-xgw5-pqxf, ghsa-fphv-w9fq-2525, ghsa-jqc5-w2xx-5vq4, ghsa-whqx-f9j3-ch6m, ghsa-xmrv-pmrh-hhx2 applied in versions: 1.13.3-r0, 1.14.1-r0, 1.14.1-r1, 1.14.1-r2, 1.14.5-r0, 1.14.5-r1

Multiple security vulnerabilities affect the spire-server-fips package. These issues are resolved in later releases. See references for individual vulnerability details...

GHSA-HJPH-F4MC-WX4C Duplicate Advisory: Mistune has a ReDoS in LINK_TITLE_RE that allows denial of service via crafted Markdown input

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-8mp2-v27r-99xp. This link is maintained to preserve external references. Original Description Summary Denial-of-Service DoS vulnerability in the Mistune Markdown parser. The issue occurs when processing speciall...

Duplicate Advisory: Mistune has a ReDoS in LINK_TITLE_RE that allows denial of service via crafted Markdown input

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-8mp2-v27r-99xp. This link is maintained to preserve external references. Original Description Summary Denial-of-Service DoS vulnerability in the Mistune Markdown parser. The issue occurs when processing speciall...

PT-2026-38261

Name of the Vulnerable Software and Affected Versions mistune versions prior to 3.2.1 Description A Denial-of-Service DoS issue exists in the Mistune Markdown parser. Processing specially crafted reference links can cause excessive backtracking and parsing loops within the parse link title functi...

CVE_REQUESTS_references

CVEREQUESTSr...

SUSE: Security Advisory (SUSE-SU-2025:02120-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2025 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...

CVE-2025-22968

creationtimestamp| type| source ---|---|--- 2025-01-15 16:18:11+00:00| seen| https://bsky.app/profile/cve-notifications.bsky.social/post/3lfs652sxsa2e 2025-01-15 17:38:06+00:00| seen| https://t.me/cvedetector/15471 2025-01-16 15:56:07+00:00| published-proof-of-concept|...

Fedora: Security Advisory (FEDORA-2024-075f626765)

The remote host is missing an update for the SPDX-FileCopyrightText: 2024 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...