CVE-2026-0880

Sandbox escape due to integer overflow in the Graphics component. This vulnerability was fixed in Firefox 147, Firefox ESR 115.32, Firefox ESR 140.7, Thunderbird 147, and Thunderbird 140.7.
References
Link Resource
https://bugzilla.mozilla.org/show_bug.cgi?id=2005014 Permissions Required
https://www.mozilla.org/security/advisories/mfsa2026-01/ Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2026-02/ Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2026-03/ Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2026-04/ Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2026-05/ Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:0667
https://access.redhat.com/errata/RHSA-2026:0694
https://access.redhat.com/errata/RHSA-2026:0924
https://access.redhat.com/errata/RHSA-2026:1320
https://access.redhat.com/errata/RHSA-2026:1413
https://access.redhat.com/errata/RHSA-2026:1414
https://access.redhat.com/errata/RHSA-2026:1415
https://access.redhat.com/errata/RHSA-2026:1461
https://access.redhat.com/errata/RHSA-2026:1462
https://access.redhat.com/errata/RHSA-2026:1471
https://access.redhat.com/errata/RHSA-2026:1487
https://access.redhat.com/errata/RHSA-2026:2041
https://access.redhat.com/errata/RHSA-2026:2043
https://access.redhat.com/errata/RHSA-2026:2044
https://access.redhat.com/errata/RHSA-2026:2047
https://access.redhat.com/errata/RHSA-2026:2069
https://access.redhat.com/errata/RHSA-2026:2070
https://access.redhat.com/errata/RHSA-2026:2073
https://access.redhat.com/errata/RHSA-2026:2074
https://access.redhat.com/errata/RHSA-2026:2220
https://access.redhat.com/errata/RHSA-2026:2231
https://access.redhat.com/errata/RHSA-2026:2271
https://access.redhat.com/errata/RHSA-2026:2286
https://access.redhat.com/security/cve/CVE-2026-0880
https://bugzilla.redhat.com/show_bug.cgi?id=2428975
https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-0880.json
Configurations

Configuration 1 (hide)

OR cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:*
cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:*
cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:*
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:esr:*:*:*
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:-:*:*:*

History

30 Jun 2026, 03:17

Type Values Removed Values Added
References
  • () https://access.redhat.com/errata/RHSA-2026:0667 -
  • () https://access.redhat.com/errata/RHSA-2026:0694 -
  • () https://access.redhat.com/errata/RHSA-2026:0924 -
  • () https://access.redhat.com/errata/RHSA-2026:1320 -
  • () https://access.redhat.com/errata/RHSA-2026:1413 -
  • () https://access.redhat.com/errata/RHSA-2026:1414 -
  • () https://access.redhat.com/errata/RHSA-2026:1415 -
  • () https://access.redhat.com/errata/RHSA-2026:1461 -
  • () https://access.redhat.com/errata/RHSA-2026:1462 -
  • () https://access.redhat.com/errata/RHSA-2026:1471 -
  • () https://access.redhat.com/errata/RHSA-2026:1487 -
  • () https://access.redhat.com/errata/RHSA-2026:2041 -
  • () https://access.redhat.com/errata/RHSA-2026:2043 -
  • () https://access.redhat.com/errata/RHSA-2026:2044 -
  • () https://access.redhat.com/errata/RHSA-2026:2047 -
  • () https://access.redhat.com/errata/RHSA-2026:2069 -
  • () https://access.redhat.com/errata/RHSA-2026:2070 -
  • () https://access.redhat.com/errata/RHSA-2026:2073 -
  • () https://access.redhat.com/errata/RHSA-2026:2074 -
  • () https://access.redhat.com/errata/RHSA-2026:2220 -
  • () https://access.redhat.com/errata/RHSA-2026:2231 -
  • () https://access.redhat.com/errata/RHSA-2026:2271 -
  • () https://access.redhat.com/errata/RHSA-2026:2286 -
  • () https://access.redhat.com/security/cve/CVE-2026-0880 -
  • () https://bugzilla.redhat.com/show_bug.cgi?id=2428975 -
  • () https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-0880.json -

13 Apr 2026, 15:17

Type Values Removed Values Added
Summary
  • (es) Escape de sandbox debido a desbordamiento de entero en el componente de Gráficos. Esta vulnerabilidad afecta a Firefox < 147, Firefox ESR < 115.32, Firefox ESR < 140.7, Thunderbird < 147, y Thunderbird < 140.7.
Summary (en) Sandbox escape due to integer overflow in the Graphics component. This vulnerability affects Firefox < 147, Firefox ESR < 115.32, Firefox ESR < 140.7, Thunderbird < 147, and Thunderbird < 140.7. (en) Sandbox escape due to integer overflow in the Graphics component. This vulnerability was fixed in Firefox 147, Firefox ESR 115.32, Firefox ESR 140.7, Thunderbird 147, and Thunderbird 140.7.

22 Jan 2026, 18:44

Type Values Removed Values Added
First Time Mozilla
Mozilla firefox
Mozilla thunderbird
CPE cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:*
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:-:*:*:*
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:esr:*:*:*
cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:*
References () https://bugzilla.mozilla.org/show_bug.cgi?id=2005014 - () https://bugzilla.mozilla.org/show_bug.cgi?id=2005014 - Permissions Required
References () https://www.mozilla.org/security/advisories/mfsa2026-01/ - () https://www.mozilla.org/security/advisories/mfsa2026-01/ - Vendor Advisory
References () https://www.mozilla.org/security/advisories/mfsa2026-02/ - () https://www.mozilla.org/security/advisories/mfsa2026-02/ - Vendor Advisory
References () https://www.mozilla.org/security/advisories/mfsa2026-03/ - () https://www.mozilla.org/security/advisories/mfsa2026-03/ - Vendor Advisory
References () https://www.mozilla.org/security/advisories/mfsa2026-04/ - () https://www.mozilla.org/security/advisories/mfsa2026-04/ - Vendor Advisory
References () https://www.mozilla.org/security/advisories/mfsa2026-05/ - () https://www.mozilla.org/security/advisories/mfsa2026-05/ - Vendor Advisory

15 Jan 2026, 10:16

Type Values Removed Values Added
References
  • () https://www.mozilla.org/security/advisories/mfsa2026-04/ -
  • () https://www.mozilla.org/security/advisories/mfsa2026-05/ -
Summary (en) Sandbox escape due to integer overflow in the Graphics component. This vulnerability affects Firefox < 147, Firefox ESR < 115.32, and Firefox ESR < 140.7. (en) Sandbox escape due to integer overflow in the Graphics component. This vulnerability affects Firefox < 147, Firefox ESR < 115.32, Firefox ESR < 140.7, Thunderbird < 147, and Thunderbird < 140.7.

13 Jan 2026, 19:16

Type Values Removed Values Added
CVSS v2 : unknown
v3 : unknown
v2 : unknown
v3 : 8.8
CWE CWE-190

13 Jan 2026, 14:16

Type Values Removed Values Added
New CVE

Information

Published : 2026-01-13 14:16

Updated : 2026-07-15 02:17


NVD link : CVE-2026-0880

Mitre link : CVE-2026-0880

CVE.ORG link : CVE-2026-0880


JSON object : View

Products Affected

mozilla

  • firefox
  • thunderbird
CWE
CWE-190

Integer Overflow or Wraparound