Vulnerability Monitor

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CVE-2023-5174

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.

Published

2023-09-27T15:19:42.457

Last Modified

2025-05-05T15:15:53.537

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 9.8 (CRITICAL)

Weaknesses

Type: Primary
CWE-416
Type: Secondary
CWE-416

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	mozilla	firefox	< 118	Yes
Application	mozilla	firefox_esr	< 115.3	Yes
Application	mozilla	thunderbird	< 115.3	Yes
Operating System	microsoft	windows	-	No

References

https://bugzilla.mozilla.org/show_bug.cgi?id=1848454 Permissions Required ([email protected])
https://www.mozilla.org/security/advisories/mfsa2023-41/ Vendor Advisory ([email protected])
https://www.mozilla.org/security/advisories/mfsa2023-42/ Vendor Advisory ([email protected])
https://www.mozilla.org/security/advisories/mfsa2023-43/ Vendor Advisory ([email protected])
https://bugzilla.mozilla.org/show_bug.cgi?id=1848454 Permissions Required (af854a3a-2127-422b-91ae-364da2661108)
https://www.mozilla.org/security/advisories/mfsa2023-41/ Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.mozilla.org/security/advisories/mfsa2023-42/ Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.mozilla.org/security/advisories/mfsa2023-43/ Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)