CVE-2023-4050

CVE-2023-4050: vulnerability in Mozilla Firefox

Published 01 Aug 2023 · Updated 13 Feb 2025

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8Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackepss 13%

In some cases, an untrusted input stream was copied to a stack buffer without checking its size. This resulted in a potentially exploitable crash which could have led to a sandbox escape. This vulnerability affects Firefox < 116, Firefox ESR < 102.14, and Firefox ESR < 115.1.

Affected products

Mozilla · Firefox Mozilla · Firefox ESR

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In the same product, most dangerous first.

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References

https://bugzilla.mozilla.org/show_bug.cgi?id=1843038 https://lists.debian.org/debian-lts-announce/2023/08/msg00008.html https://lists.debian.org/debian-lts-announce/2023/08/msg00010.html https://www.debian.org/security/2023/dsa-5464 https://www.debian.org/security/2023/dsa-5469 https://www.mozilla.org/security/advisories/mfsa2023-29/https://www.mozilla.org/security/advisories/mfsa2023-30/https://www.mozilla.org/security/advisories/mfsa2023-31/