CVE-2026-0882
Use-after-free in the IPC component
- State
- Published
- Severity
- 8.8 High
- Published
- Jan 13, 2026
- Updated
- Jul 15, 2026
- Reserved
- Jan 13, 2026
Description
Use-after-free in the IPC component. This vulnerability was fixed in Firefox 147, Firefox ESR 115.32, Firefox ESR 140.7, Thunderbird 147, and Thunderbird 140.7.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 8.8 High | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H | CISA-ADP |
| 3.1 | 7.5 High | CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H | redhat-SADP |
Weaknesses
- CWE-416 Use After Free
Affected Products
| Product | Versions |
|---|---|
FirefoxMozilla |
|
ThunderbirdMozilla |
|
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=1924125
- https://www.mozilla.org/security/advisories/mfsa2026-01/
- https://www.mozilla.org/security/advisories/mfsa2026-02/
- https://www.mozilla.org/security/advisories/mfsa2026-03/
- https://www.mozilla.org/security/advisories/mfsa2026-04/
- https://www.mozilla.org/security/advisories/mfsa2026-05/
- https://access.redhat.com/security/cve/CVE-2026-0882vdb-entry
- RHBZ#2428966issue-tracking
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-0882.json
- https://access.redhat.com/errata/RHSA-2026:2231vendor-advisory
- https://access.redhat.com/errata/RHSA-2026:2271vendor-advisory
- https://access.redhat.com/errata/RHSA-2026:2286vendor-advisory
- https://access.redhat.com/errata/RHSA-2026:0667vendor-advisory
- https://access.redhat.com/errata/RHSA-2026:2220vendor-advisory
- https://access.redhat.com/errata/RHSA-2026:2074vendor-advisory
- https://access.redhat.com/errata/RHSA-2026:1471vendor-advisory
- https://access.redhat.com/errata/RHSA-2026:2073vendor-advisory
- https://access.redhat.com/errata/RHSA-2026:1461vendor-advisory
- https://access.redhat.com/errata/RHSA-2026:2070vendor-advisory
- https://access.redhat.com/errata/RHSA-2026:1487vendor-advisory
- https://access.redhat.com/errata/RHSA-2026:2069vendor-advisory
- https://access.redhat.com/errata/RHSA-2026:1462vendor-advisory
- https://access.redhat.com/errata/RHSA-2026:2047vendor-advisory
- https://access.redhat.com/errata/RHSA-2026:1413vendor-advisory
- https://access.redhat.com/errata/RHSA-2026:2044vendor-advisory
- https://access.redhat.com/errata/RHSA-2026:1415vendor-advisory
- https://access.redhat.com/errata/RHSA-2026:2041vendor-advisory
- https://access.redhat.com/errata/RHSA-2026:1414vendor-advisory
- https://access.redhat.com/errata/RHSA-2026:2043vendor-advisory
- https://access.redhat.com/errata/RHSA-2026:1320vendor-advisory
- https://access.redhat.com/errata/RHSA-2026:0694vendor-advisory
- https://access.redhat.com/errata/RHSA-2026:0924vendor-advisory
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