CVE-2023-4050 — Out-of-bounds Write in Mozilla Firefox
Severity
7.5HIGHNVD
EPSS
4.6%
top 10.73%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedAug 1
Latest updateSep 4
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 3.9 | Impact: 3.6
Affected Packages4 packages
Also affects: Debian Linux 11.0, 12.0
🔴Vulnerability Details
3CVEList▶
CVE-2023-4050: In some cases, an untrusted input stream was copied to a stack buffer without checking its size↗2023-08-01
GHSA▶
GHSA-rj59-6cjh-fxcf: In some cases, an untrusted input stream was copied to a stack buffer without checking its size↗2023-08-01
OSV▶
CVE-2023-4050: In some cases, an untrusted input stream was copied to a stack buffer without checking its size↗2023-08-01
📋Vendor Advisories
9Debian▶
CVE-2023-4050: firefox - In some cases, an untrusted input stream was copied to a stack buffer without ch...↗2023