CVE-2022-31627
php: heap buffer overflow in finfo_buffer
Severity
LowRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · July 8, 2022
Updated · November 22, 2025
Description
A vulnerability was found in php. This issue occurs due to memory corruption in the finfo_buffer() function and a bad patch of the libmagic library. This flaw allows an attacker or malicious actor to execute a heap buffer overflow successfully, causing a memory crash.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.1 · 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE-119 · Improper Restriction of Operations within the Bounds of a Memory Buffer