CVE-2026-74989

Description

Internally found bugs present in Thunderbird 153. Some of these bugs showed evidence of memory corruption or another security-relevant defect and we presume that with enough effort some of these could have been exploited. This vulnerability was fixed in Firefox 154 and Thunderbird 154.

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Produits concernés

• Mozilla Firefox
• Mozilla Thunderbird

Scores CVSS

Faiblesses (CWE)

• CWE-119

Références

• https://bugzilla.mozilla.org/buglist.cgi?bug_id=2022257%2C2027351%2C2027380%2C2029289 Not Applicable
• https://bugzilla.mozilla.org/buglist.cgi?bug_id=2027388%2C2029750%2C2029794%2C2043298%2C2045126%2C2049810%2C2051741 Not Applicable
• https://www.mozilla.org/security/advisories/mfsa2026-74/ Vendor Advisory
• https://www.mozilla.org/security/advisories/mfsa2026-78/ Vendor Advisory

Ailleurs

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