CVE-2026-16362 Details
Description
Use-after-free in the WebRTC: Audio/Video component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13.
A use-after-free vulnerability has been identified in the WebRTC audio/video component of Mozilla Firefox. This issue allows for potential memory corruption, which could be exploited to execute arbitrary code. The vulnerability is present in Firefox versions prior to 153 and in Firefox ESR versions prior to 140.13.
Users can upgrade to Firefox 153 or Firefox ESR 140.13 to address this vulnerability.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Jul 22, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://bugzilla.mozilla.org/show_bug.cgi?id=2043188 | [email protected] | Permissions Required |
| https://www.mozilla.org/security/advisories/mfsa2026-68/ | [email protected] | Vendor Advisory |
| https://www.mozilla.org/security/advisories/mfsa2026-70/ | [email protected] | Vendor Advisory |
| https://www.mozilla.org/security/advisories/mfsa2026-71/ | [email protected] | Vendor Advisory |
| https://www.mozilla.org/security/advisories/mfsa2026-72/ | [email protected] | Vendor Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-416 | Use After Free | CISA-ADP |
Affected Products
| Product | Versions |
|---|---|
| mozilla firefox | < 140.13.0 < 153.0.0 |
CPE
Remediation
| |
| mozilla thunderbird | < 140.13.0 >= 141.0, < 153.0 |
CPE
Remediation
| |
Change History
4 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jul 24, 2026 | Initial Analysis | [email protected] |
| Jul 22, 2026 | CVE Modified | [email protected] |
| Jul 22, 2026 | CVE Modified | CISA-ADP |
| Jul 21, 2026 | New CVE Received | [email protected] |