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CVE-2026-12317

7.5 high SSVC exploitation: none Modified
NVD · CVE.org

Memory safety bug fixed in Thunderbird 152. This vulnerability was fixed in Firefox 152 and Thunderbird 152.

Fix

Patch, vendor advisory and mitigation references on NVD 2

Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.

Change history 5

  1. CwesCWE-119NVD modified 2026-10-21 14:17
  2. Cpes+2 CPE criteria (now 2)NVD modified 2026-10-21 14:17
  3. StatusPublished → ModifiedNVD modified 2026-10-21 14:17
  4. CVSS7.5 (v3.1, CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)NVD modified 2026-10-21 14:17
  5. First seenunscored · mozillaNVD modified 2026-10-21 13:50

Affected (CPE criteria) 2

  • cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:*
  • cpe:2.3:a:mozilla:thunderbird:*:*:*:*:-:*:*:*

References 3