Description
Incorrect boundary conditions in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 150.0.3, Firefox ESR 115.36, Firefox ESR 140.11, and Thunderbird 140.11.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
Mozilla Firefox
115.36 to ≤ 115.*unaffected140.11 to ≤ 140.*unaffected150.0.3 to ≤ *unaffected
Mozilla Thunderbird
140.11 to ≤ *unaffected
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=2036978 ↗
- https://www.mozilla.org/security/advisories/mfsa2026-45/ ↗
- https://www.mozilla.org/security/advisories/mfsa2026-47/ ↗
- https://www.mozilla.org/security/advisories/mfsa2026-48/ ↗
- https://www.mozilla.org/security/advisories/mfsa2026-51/ ↗
- https://access.redhat.com/security/cve/CVE-2026-8388 ↗
- https://bugzilla.redhat.com/show_bug.cgi?id=2476469 ↗
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-8388.json ↗
- https://access.redhat.com/errata/RHSA-2026:26551 ↗
- https://access.redhat.com/errata/RHSA-2026:27715 ↗
- https://access.redhat.com/errata/RHSA-2026:26539 ↗
- https://access.redhat.com/errata/RHSA-2026:21380 ↗
- https://access.redhat.com/errata/RHSA-2026:22325 ↗
- https://access.redhat.com/errata/RHSA-2026:21382 ↗
- https://access.redhat.com/errata/RHSA-2026:22643 ↗
- https://access.redhat.com/errata/RHSA-2026:26629 ↗
- https://access.redhat.com/errata/RHSA-2026:26270 ↗
- https://access.redhat.com/errata/RHSA-2026:26606 ↗
- https://access.redhat.com/errata/RHSA-2026:26536 ↗
- https://access.redhat.com/errata/RHSA-2026:26630 ↗
- https://access.redhat.com/errata/RHSA-2026:26268 ↗
- https://access.redhat.com/errata/RHSA-2026:26491 ↗
- https://access.redhat.com/errata/RHSA-2026:26269 ↗
- https://access.redhat.com/errata/RHSA-2026:26493 ↗
- https://access.redhat.com/errata/RHSA-2026:26174 ↗
- https://access.redhat.com/errata/RHSA-2026:26492 ↗
- https://access.redhat.com/errata/RHSA-2026:26521 ↗
- https://access.redhat.com/errata/RHSA-2026:21378 ↗
- https://access.redhat.com/errata/RHSA-2026:21381 ↗