CVE-2023-3824
php: phar Buffer mismanagement
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · August 3, 2023
Updated · August 7, 2026
Description
A flaw was found in PHP that can lead to a buffer overflow and a stack information leak due to improper bounds checking within the phar_dir_read() function. This issue may allow an attacker to initiate memory corruption by compelling the application to open a specially crafted .phar archive, allowing the attacker to corrupt memory or cause a denial of service condition.
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 · 7CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:H
CWE-119 · Improper Restriction of Operations within the Bounds of a Memory Buffer