BIT-php-2026-7260

vendorUSosv

Stack overflow in phar with circular symlinks

view advisory published 2026-08-17Licence: per source

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.

describes (1)

Related CVEs.

ID	severity	EPSS	exploitable	published
CVE-2026-7260US	medium5.5	0.11% (1st)	—	2026-07-30
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.…

references

External citations — patches, advisories, analysis.

https://github.com/php/php-src/security/advisories/GHSA-vc5h-9ppw-p5f3ADVISORY
https://nvd.nist.gov/vuln/detail/CVE-2026-7260WEB

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