CVE-2026-12292

Incorrect boundary conditions in the Web Audio component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12.
References
Link Resource
https://bugzilla.mozilla.org/show_bug.cgi?id=2038465 Permissions Required
https://www.mozilla.org/security/advisories/mfsa2026-57/ Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2026-58/ Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2026-60/ Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2026-61/ Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:27717
https://access.redhat.com/errata/RHSA-2026:27733
https://access.redhat.com/errata/RHSA-2026:27734
https://access.redhat.com/errata/RHSA-2026:29940
https://access.redhat.com/errata/RHSA-2026:30846
https://access.redhat.com/errata/RHSA-2026:33445
https://access.redhat.com/errata/RHSA-2026:36100
https://access.redhat.com/errata/RHSA-2026:36101
https://access.redhat.com/errata/RHSA-2026:36102
https://access.redhat.com/errata/RHSA-2026:36103
https://access.redhat.com/errata/RHSA-2026:37210
https://access.redhat.com/errata/RHSA-2026:37391
https://access.redhat.com/errata/RHSA-2026:38506
https://access.redhat.com/errata/RHSA-2026:38750
https://access.redhat.com/errata/RHSA-2026:38751
https://access.redhat.com/errata/RHSA-2026:38753
https://access.redhat.com/errata/RHSA-2026:39011
https://access.redhat.com/errata/RHSA-2026:39141
https://access.redhat.com/errata/RHSA-2026:39142
https://access.redhat.com/errata/RHSA-2026:39428
https://access.redhat.com/errata/RHSA-2026:39706
https://access.redhat.com/security/cve/CVE-2026-12292
https://bugzilla.redhat.com/show_bug.cgi?id=2489237
https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-12292.json
Configurations

Configuration 1 (hide)

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

History

15 Jul 2026, 12:17

Type Values Removed Values Added
References
  • () https://access.redhat.com/errata/RHSA-2026:39706 -

15 Jul 2026, 02:18

Type Values Removed Values Added
References
  • () https://access.redhat.com/errata/RHSA-2026:39428 -

14 Jul 2026, 12:16

Type Values Removed Values Added
References
  • () https://access.redhat.com/errata/RHSA-2026:39011 -
  • () https://access.redhat.com/errata/RHSA-2026:39141 -
  • () https://access.redhat.com/errata/RHSA-2026:39142 -

13 Jul 2026, 13:16

Type Values Removed Values Added
References
  • () https://access.redhat.com/errata/RHSA-2026:38506 -
  • () https://access.redhat.com/errata/RHSA-2026:38750 -
  • () https://access.redhat.com/errata/RHSA-2026:38751 -
  • () https://access.redhat.com/errata/RHSA-2026:38753 -

10 Jul 2026, 12:16

Type Values Removed Values Added
References
  • () https://access.redhat.com/errata/RHSA-2026:37391 -

09 Jul 2026, 13:16

Type Values Removed Values Added
References
  • () https://access.redhat.com/errata/RHSA-2026:37210 -

07 Jul 2026, 12:16

Type Values Removed Values Added
References
  • () https://access.redhat.com/errata/RHSA-2026:36100 -
  • () https://access.redhat.com/errata/RHSA-2026:36101 -
  • () https://access.redhat.com/errata/RHSA-2026:36102 -
  • () https://access.redhat.com/errata/RHSA-2026:36103 -

30 Jun 2026, 13:17

Type Values Removed Values Added
References
  • () https://access.redhat.com/errata/RHSA-2026:33445 -

30 Jun 2026, 03:17

Type Values Removed Values Added
References
  • () https://access.redhat.com/errata/RHSA-2026:27717 -
  • () https://access.redhat.com/errata/RHSA-2026:27733 -
  • () https://access.redhat.com/errata/RHSA-2026:27734 -
  • () https://access.redhat.com/errata/RHSA-2026:29940 -
  • () https://access.redhat.com/errata/RHSA-2026:30846 -
  • () https://access.redhat.com/security/cve/CVE-2026-12292 -
  • () https://bugzilla.redhat.com/show_bug.cgi?id=2489237 -
  • () https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-12292.json -
CWE CWE-787

18 Jun 2026, 19:10

Type Values Removed Values Added
First Time Mozilla
Mozilla thunderbird
Mozilla firefox
References () https://bugzilla.mozilla.org/show_bug.cgi?id=2038465 - () https://bugzilla.mozilla.org/show_bug.cgi?id=2038465 - Permissions Required
References () https://www.mozilla.org/security/advisories/mfsa2026-57/ - () https://www.mozilla.org/security/advisories/mfsa2026-57/ - Vendor Advisory
References () https://www.mozilla.org/security/advisories/mfsa2026-58/ - () https://www.mozilla.org/security/advisories/mfsa2026-58/ - Vendor Advisory
References () https://www.mozilla.org/security/advisories/mfsa2026-60/ - () https://www.mozilla.org/security/advisories/mfsa2026-60/ - Vendor Advisory
References () https://www.mozilla.org/security/advisories/mfsa2026-61/ - () https://www.mozilla.org/security/advisories/mfsa2026-61/ - Vendor Advisory
CPE cpe:2.3:a:mozilla:thunderbird:*:*:*:*:esr:*:*:*
cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:*
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:-:*:*:*
cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:*
CWE CWE-119
CVSS v2 : unknown
v3 : unknown
v2 : unknown
v3 : 8.1

16 Jun 2026, 17:16

Type Values Removed Values Added
References
  • () https://www.mozilla.org/security/advisories/mfsa2026-60/ -
  • () https://www.mozilla.org/security/advisories/mfsa2026-61/ -
Summary (en) Incorrect boundary conditions in the Web Audio component. This vulnerability was fixed in Firefox 152 and Firefox ESR 140.12. (en) Incorrect boundary conditions in the Web Audio component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12.

16 Jun 2026, 13:16

Type Values Removed Values Added
New CVE

Information

Published : 2026-06-16 13:16

Updated : 2026-07-15 12:17


NVD link : CVE-2026-12292

Mitre link : CVE-2026-12292

CVE.ORG link : CVE-2026-12292


JSON object : View

Products Affected

mozilla

  • firefox
  • thunderbird
CWE
CWE-119

Improper Restriction of Operations within the Bounds of a Memory Buffer

CWE-787

Out-of-bounds Write