CVE-2026-7260
Stack overflow in phar with circular symlinks
At a glance Severity MEDIUM 5.4 EPSS EPSS 0.11 % · percentile 1 (2026-10-27) State PUBLISHED Published 2026-07-30 Updated 2026-07-30 Assigner php NVD status Analyzed
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 Version Score Vector Scored by CVSS 4.0 MEDIUM 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 php CVSS 4.0 MEDIUM 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 NVD · security@php.net (Secondary) CVSS 3.1 MEDIUM 5.5 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H NVD · nvd@nist.gov (Primary)
Weaknesses (CWE)
European references
CERT-FR advisories
Affected configurations (NVD CPE) cpe:2.3:a:php:php:*:*:*:*:*:*:*:* ≥ 8.2.0 < 8.2.33cpe:2.3:a:php:php:*:*:*:*:*:*:*:* ≥ 8.3.0 < 8.3.33cpe:2.3:a:php:php:*:*:*:*:*:*:*:* ≥ 8.4.0 < 8.4.24cpe:2.3:a:php:php:*:*:*:*:*:*:*:* ≥ 8.5.0 < 8.5.9
Affected products Product Versions PHP Group · PHP affected 8.2.* < 8.2.33 ; affected 8.3.* < 8.3.33 ; affected 8.4.* < 8.4.24 ; affected 8.5.* < 8.5.9
References
Sources