CVE-2026-7260

Stack overflow in phar with circular symlinks

State: Published
Severity: 5.4 Medium
Published: Jul 30, 2026
Updated: Jul 30, 2026
Reserved: Apr 28, 2026

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.

Scores

CVSS	Score	Vector	Source
4.0	5.4 Medium	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	php

Weaknesses

CWE-121 Stack-based buffer overflow

Affected Products

Product	Versions
PHPPHP Group	8.2.* to before 8.2.33Affected 8.3.* to before 8.3.33Affected 8.4.* to before 8.4.24Affected 8.5.* to before 8.5.9Affected

References

https://github.com/php/php-src/security/advisories/GHSA-vc5h-9ppw-p5f3vendor-advisory

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