361 matches found
CVE-2026-33079
In versions 3.0.0a1 through 3.2.0 of Mistune, there is a ReDoS Regular Expression Denial of Service vulnerability in LINKTITLERE that allows an attacker who can supply Markdown for parsing to cause denial of service. The regular expression used for parsing link titles contains overlapping...
CVE-2026-33079
Mistune 3.0.0a1–3.2.0 contains a ReDoS in LINK_TITLE_RE used for parsing link titles, enabling exponential backtracking when processing Markdown strings with repeated ! sequences and no closing quote. The ambiguity arises from overlapping alternatives in the two branches (double-quoted and single...
CVE-2026-33079 Mistune ReDoS in LINK_TITLE_RE allows denial of service with crafted Markdown titles
In versions 3.0.0a1 through 3.2.0 of Mistune, there is a ReDoS Regular Expression Denial of Service vulnerability in LINKTITLERE that allows an attacker who can supply Markdown for parsing to cause denial of service. The regular expression used for parsing link titles contains overlapping...
CVE-2026-33079 Mistune ReDoS in LINK_TITLE_RE allows denial of service with crafted Markdown titles
In versions 3.0.0a1 through 3.2.0 of Mistune, there is a ReDoS Regular Expression Denial of Service vulnerability in LINKTITLERE that allows an attacker who can supply Markdown for parsing to cause denial of service. The regular expression used for parsing link titles contains overlapping...
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Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-8mp2-v27r-99xp.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...
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Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-8mp2-v27r-99xp.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...
a-mailx (=0.1.0), ai-shell (>=0.1.0 <=1.0.4) +136 more potentially affected by CVE-2026-33079 via mistune (>=3.0.0rc5 <=3.2.0)
mistune PYPI version =3.0.0rc5, =0.1.0, =0.9.5, =3.0.0, =3.2.1b1, =1.0.1, =1.0.1, =0.1.0, =0.1.0, =0.0.1, =0.1.0, =0.0.2, =1.0.0.1, =0.0.1, =0.0.5 and more Source cves: CVE-2026-33079 Source advisory: OSV:GHSA-8MP2-V27R-99XP...
a-mailx (=0.1.0), ai-shell (>=0.1.0 <=1.0.4) +136 more potentially affected by CVE-2026-33079 +1 more via mistune (>=3.0.0rc5 <=3.2.0)
mistune PYPI version =3.0.0rc5, =0.1.0, =0.9.5, =3.0.0, =3.2.1b1, =1.0.1, =1.0.1, =0.1.0, =0.1.0, =0.0.1, =0.1.0, =0.0.2, =1.0.0.1, =0.0.1, =0.0.5 and more Source cves: CVE-2026-33079, CVE-2026-33441 Source advisory: SNYK:PYTHON-MISTUNE-16438944...
EUVD-2026-27877
Mistune has a ReDoS in LINKTITLERE that allows denial of service via crafted Markdown input...
GHSA-8MP2-V27R-99XP Mistune has a ReDoS in LINK_TITLE_RE that allows denial of service via crafted Markdown input
Summary A ReDoS Regular Expression Denial of Service vulnerability in LINKTITLERE allows an attacker who can supply Markdown for parsing to cause denial of service. A crafted 58-byte Markdown document blocks the parser for approximately 6 seconds measured on Apple M2, Python 3.14.3, with...
Mistune has a ReDoS in LINK_TITLE_RE that allows denial of service via crafted Markdown input
Summary A ReDoS Regular Expression Denial of Service vulnerability in LINKTITLERE allows an attacker who can supply Markdown for parsing to cause denial of service. A crafted 58-byte Markdown document blocks the parser for approximately 6 seconds measured on Apple M2, Python 3.14.3, with...
CVE-2026-44897
creationtimestamp| type| source ---|---|--- 2026-05-06 07:13:48+00:00| published-proof-of-concept| https://github.com/lepture/mistune/security/advisories/GHSA-v87v-83h2-53w7...
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...
PT-2026-38088
Name of the Vulnerable Software and Affected Versions Mistune versions 3.0.0a1 through 3.2.0 Description A Regular Expression Denial of Service ReDoS exists in the LINK TITLE RE regular expression. An attacker can provide specially crafted Markdown for parsing that triggers catastrophic...
mistune 安全漏洞
Mistune is a fast and powerful Python Markdown parser developed by Hsiaoming Yang. Versions of Mistune from 3.0.0a1 to 3.2.0 contain security vulnerabilities. These vulnerabilities stem from a denial-of-service attack involving regular expressions in LINKTITLERE, which could allow attackers to...
mistune: catastrophic backtracking
A regular expression denial of service ReDoS flaw was found in the asteris emphasis regular expression implementation in Mistune. By sending specially-crafted regex input, a remote attacker could invoke a catastrophic backtrack, resulting in a denial of service...
mistune: catastrophic backtracking
A regular expression denial of service ReDoS flaw was found in the asteris emphasis regular expression implementation in Mistune. By sending specially-crafted regex input, a remote attacker could invoke a catastrophic backtrack, resulting in a denial of service...
EUVD-2017-0074
Malware in sbrugna...