Description
Circular symbolic links in phar archives could lead to unbounded recursion, exhausting the C stack and crashing the PHP process, in PHP versions from 8.2.* before 8.2.33, from 8.3.* before 8.3.33, from 8.4.* before 8.4.24, and from 8.5.* before 8.5.9.
References (1)
Core 1
Core References
Vendor Advisory vendor-advisory
https://github.com/php/php-src/security/advisories/GHSA-vc5h-9ppw-p5f3
Scores
CVSS v4
5.4
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H/E:U/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-121
Status
published
Products (4)
PHP Group/PHP
8.2.* - 8.2.33
PHP Group/PHP
8.3.* - 8.3.33
PHP Group/PHP
8.4.* - 8.4.24
PHP Group/PHP
8.5.* - 8.5.9
Published
Jul 30, 2026
Tracked Since
Jul 30, 2026