CVE-2023-4050
HIGH severity · CVSS 7.5 · Out-of-bounds write
7.5CVSS HIGH
Summary
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.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
Confidentiality impactNone
Integrity impactNone
Availability impactHigh
Exploit probability (EPSS)13%
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected products we track (2)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Additional information
- NVD record
- https://www.mozilla.org/security/advisories/mfsa2023-29/Advisory
- https://www.mozilla.org/security/advisories/mfsa2023-30/Advisory
- https://www.mozilla.org/security/advisories/mfsa2023-31/Advisory
- 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-5464Advisory
- https://www.debian.org/security/2023/dsa-5469Advisory