CVEvulnerability
CVE-2023-5174
9.8 CRITICAL
Official page ↗
- Status
- Modified
- Published
- 2023-09-27
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
- 9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-416
Description
If Windows failed to duplicate a handle during process creation, the sandbox code may have inadvertently freed a pointer twice, resulting in a use-after-free and a potentially exploitable crash.
*This bug only affects Firefox on Windows when run in non-standard configurations (such as using `runas`). Other operating systems are unaffected.* This vulnerability affects Firefox < 118, Firefox ESR < 115.3, and Thunderbird < 115.3.
Affected configurations
• mozilla firefox (< 118)
• mozilla firefox esr (< 115.3)
• mozilla thunderbird (< 115.3)
Related
Weakness · CWE (1)
- CWE-416 Use After Free weakness
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=1848454 Permissions Required
- https://www.mozilla.org/security/advisories/mfsa2023-41/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2023-42/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2023-43/ Vendor Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1848454 Permissions Required
- https://www.mozilla.org/security/advisories/mfsa2023-41/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2023-42/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2023-43/ Vendor Advisory