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CVE-2023-5171

Published: Sep 27, 2023

Modified: Feb 13, 2025

PUBLISHED

Description

During Ion compilation, a Garbage Collection could have resulted in a use-after-free condition, allowing an attacker to write two NUL bytes, and cause a potentially exploitable crash. This vulnerability affects Firefox < 118, Firefox ESR < 115.3, and Thunderbird < 115.3.

Vendor	Product	Versions
Mozilla	Firefox	affected `unspecified - < 118`
Mozilla	Firefox ESR	affected `unspecified - < 115.3`
Mozilla	Thunderbird	affected `unspecified - < 115.3`

References

https://bugzilla.mozilla.org/show_bug.cgi?id=1851599

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

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

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

https://www.debian.org/security/2023/dsa-5506

https://lists.debian.org/debian-lts-announce/2023/09/msg00034.html

https://www.debian.org/security/2023/dsa-5513

https://lists.fedoraproject.org/archives/list/[email protected]/message/AY642Z6JZODQJE7Z62CFREVUHEGCXGPD/

https://lists.debian.org/debian-lts-announce/2023/10/msg00015.html

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