Incorrect boundary conditions, integer overflow in the Graphics component. This vulnerability was fixed in Firefox 149, Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9.
References
Link Providers
https://access.redhat.com/errata/RHSA-2026:5930 cve-icon
https://access.redhat.com/errata/RHSA-2026:5931 cve-icon
https://access.redhat.com/errata/RHSA-2026:5932 cve-icon
https://access.redhat.com/errata/RHSA-2026:6188 cve-icon
https://access.redhat.com/errata/RHSA-2026:6342 cve-icon
https://access.redhat.com/errata/RHSA-2026:6917 cve-icon
https://access.redhat.com/errata/RHSA-2026:7837 cve-icon
https://access.redhat.com/errata/RHSA-2026:7838 cve-icon
https://access.redhat.com/errata/RHSA-2026:7839 cve-icon
https://access.redhat.com/errata/RHSA-2026:7840 cve-icon
https://access.redhat.com/errata/RHSA-2026:7841 cve-icon
https://access.redhat.com/errata/RHSA-2026:7842 cve-icon
https://access.redhat.com/errata/RHSA-2026:7843 cve-icon
https://access.redhat.com/errata/RHSA-2026:7845 cve-icon
https://access.redhat.com/errata/RHSA-2026:7858 cve-icon
https://access.redhat.com/errata/RHSA-2026:8284 cve-icon
https://access.redhat.com/errata/RHSA-2026:8285 cve-icon
https://access.redhat.com/errata/RHSA-2026:8286 cve-icon
https://access.redhat.com/errata/RHSA-2026:8287 cve-icon
https://access.redhat.com/errata/RHSA-2026:8288 cve-icon
https://access.redhat.com/errata/RHSA-2026:8289 cve-icon
https://access.redhat.com/errata/RHSA-2026:8290 cve-icon
https://access.redhat.com/errata/RHSA-2026:8315 cve-icon
https://access.redhat.com/errata/RHSA-2026:8427 cve-icon
https://access.redhat.com/errata/RHSA-2026:8850 cve-icon
https://access.redhat.com/security/cve/CVE-2026-4694 cve-icon
https://bugzilla.mozilla.org/show_bug.cgi?id=2018430 cve-icon cve-icon
https://bugzilla.redhat.com/show_bug.cgi?id=2450747 cve-icon
https://nvd.nist.gov/vuln/detail/CVE-2026-4694 cve-icon
https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-4694.json cve-icon
https://www.cve.org/CVERecord?id=CVE-2026-4694 cve-icon
https://www.mozilla.org/security/advisories/mfsa2026-20/ cve-icon cve-icon
https://www.mozilla.org/security/advisories/mfsa2026-21/ cve-icon cve-icon
https://www.mozilla.org/security/advisories/mfsa2026-22/ cve-icon cve-icon
https://www.mozilla.org/security/advisories/mfsa2026-22/#CVE-2026-4694 cve-icon
https://www.mozilla.org/security/advisories/mfsa2026-23/ cve-icon cve-icon
https://www.mozilla.org/security/advisories/mfsa2026-24/ cve-icon cve-icon
https://www.mozilla.org/security/advisories/mfsa2026-24/#CVE-2026-4694 cve-icon
History

Mon, 13 Apr 2026 14:30:00 +0000

Type Values Removed Values Added
Description Incorrect boundary conditions, integer overflow in the Graphics component. This vulnerability affects Firefox < 149, Firefox ESR < 115.34, Firefox ESR < 140.9, Thunderbird < 149, and Thunderbird < 140.9. Incorrect boundary conditions, integer overflow in the Graphics component. This vulnerability was fixed in Firefox 149, Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9.

Thu, 26 Mar 2026 13:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Thu, 26 Mar 2026 00:15:00 +0000


Wed, 25 Mar 2026 15:30:00 +0000

Type Values Removed Values Added
First Time appeared Mozilla thunderbird
Weaknesses CWE-190
CWE-754
CPEs cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:*
cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:*
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:-:*:*:*
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:esr:*:*:*
Vendors & Products Mozilla thunderbird
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}


Wed, 25 Mar 2026 12:00:00 +0000

Type Values Removed Values Added
First Time appeared Mozilla
Mozilla firefox
Mozilla firefox Esr
Vendors & Products Mozilla
Mozilla firefox
Mozilla firefox Esr

Tue, 24 Mar 2026 20:30:00 +0000

Type Values Removed Values Added
Description Incorrect boundary conditions, integer overflow in the Graphics component. This vulnerability affects Firefox < 149, Firefox ESR < 115.34, and Firefox ESR < 140.9. Incorrect boundary conditions, integer overflow in the Graphics component. This vulnerability affects Firefox < 149, Firefox ESR < 115.34, Firefox ESR < 140.9, Thunderbird < 149, and Thunderbird < 140.9.
References

Tue, 24 Mar 2026 12:45:00 +0000

Type Values Removed Values Added
Description Incorrect boundary conditions, integer overflow in the Graphics component. This vulnerability affects Firefox < 149, Firefox ESR < 115.34, and Firefox ESR < 140.9.
Title Incorrect boundary conditions, integer overflow in the Graphics component
References

cve-icon MITRE

Status: PUBLISHED

Assigner: mozilla

Published: 2026-03-24T12:30:25.919Z

Updated: 2026-07-15T00:49:35.031Z

Reserved: 2026-03-23T23:21:50.706Z

Link: CVE-2026-4694

cve-icon Vulnrichment

Updated: 2026-06-30T03:16:26.077Z

cve-icon NVD

Status : Modified

Published: 2026-03-24T13:16:05.247

Modified: 2026-07-15T02:22:48.710

Link: CVE-2026-4694

cve-icon Redhat

Severity : Important

Publid Date: 2026-03-24T12:30:25Z

Links: CVE-2026-4694 - Bugzilla