CVE-2023-5174

CRITICAL

9.8

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.

CVE Details

CVSS v3.1 Score9.8

SeverityCRITICAL

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published9/27/2023

Last Modified5/5/2025

Sourcenvd

Honeypot Sightings0

Affected Products

microsoft:windowsmozilla:firefoxmozilla:firefox_esrmozilla:thunderbird

Weaknesses (CWE)

CWE-416CWE-416

References

https://bugzilla.mozilla.org/show_bug.cgi?id=1848454(security@mozilla.org)

https://www.mozilla.org/security/advisories/mfsa2023-41/(security@mozilla.org)

https://www.mozilla.org/security/advisories/mfsa2023-42/(security@mozilla.org)

https://www.mozilla.org/security/advisories/mfsa2023-43/(security@mozilla.org)

https://bugzilla.mozilla.org/show_bug.cgi?id=1848454(af854a3a-2127-422b-91ae-364da2661108)

https://www.mozilla.org/security/advisories/mfsa2023-41/(af854a3a-2127-422b-91ae-364da2661108)

https://www.mozilla.org/security/advisories/mfsa2023-42/(af854a3a-2127-422b-91ae-364da2661108)

https://www.mozilla.org/security/advisories/mfsa2023-43/(af854a3a-2127-422b-91ae-364da2661108)

IOC Correlations

No correlations recorded

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