CVE-2023-5174 — Use After Free in Mozilla Firefox
Severity
9.8CRITICALNVD
EPSS
0.4%
top 36.54%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedSep 27
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 3.9 | Impact: 5.9
Affected Packages6 packages
🔴Vulnerability Details
3GHSA▶
GHSA-8fw2-629c-5885: If Windows failed to duplicate a handle during process creation, the sandbox code may have inadvertently freed a pointer twice, resulting in a use-aft↗2023-09-27
CVEList▶
CVE-2023-5174: If Windows failed to duplicate a handle during process creation, the sandbox code may have inadvertently freed a pointer twice, resulting in a use-aft↗2023-09-27
OSV▶
CVE-2023-5174: If Windows failed to duplicate a handle during process creation, the sandbox code may have inadvertently freed a pointer twice, resulting in a use-aft↗2023-09-27
📋Vendor Advisories
5Debian▶
CVE-2023-5174: firefox - If Windows failed to duplicate a handle during process creation, the sandbox cod...↗2023