THREAT OPS › Threat News › [NVD] CVE-2026-33079 (HIGH 7.5) — In versions 3.0.0a1 through 3.2.0 of Mistune, there is a ReDoS (Regular Expression Denial of Service) vulnerability in `LINK_TITLE_RE` that allows an attacker who can supply Markdown for parsing to cause denial of service. The regular expression used for parsing link titles conta
[NVD] CVE-2026-33079 (HIGH 7.5) — In versions 3.0.0a1 through 3.2.0 of Mistune, there is a ReDoS (Regular Expression Denial of Service) vulnerability in `LINK_TITLE_RE` that allows an attacker who can supply Markdown for parsing to cause denial of service. The regular expression used for parsing link titles conta
CVE-2026-33079 CVSS: 7.5 HIGH Published: 2026-05-06T18:16:03.097
In versions 3.0.0a1 through 3.2.0 of Mistune, there is a ReDoS (Regular Expression Denial of Service) vulnerability in `LINK_TITLE_RE` 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 alternatives that can trigger catastro
Indicators of compromise
- CVE-2026-33079cve
Original source: https://nvd.nist.gov/vuln/detail/CVE-2026-33079