CVE-2026-50129

7.5 Élevée

Publiée le 24/06/2026 à 23:16 · Modifiée le 25/06/2026 à 18:32 · Analyse NVD reportée · Source : security-advisories@github.com

Description

Mastodon is a free, open-source social network server based on ActivityPub. Prior to 4.5.11, 4.4.18, and 4.3.24, a DoS can be triggered by (Uncaught Exception vulerability), due to missing exception handling in the math sanitizer. Malformed <math> nodes can result in a DoS of a whole server or targeted users services, depending on the type of action that includes the malformed nodes and the services interacting with it. This vulnerability is fixed in 4.5.11, 4.4.18, and 4.3.24.

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Produits concernés

mastodon

Scores CVSS

Version	Score	Source	Vecteur
3.1	7.5 Élevée	security-advisories@github.com	`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H`

Faiblesses (CWE)

CWE-248

Références

https://github.com/mastodon/mastodon/security/advisories/GHSA-qrgq-9fx2-vf2r

Ailleurs

NVD
CVE.org
CIRCL Vulnerability-Lookup
CERT-FR
GitHub Advisories