CVE-2025-14178

Name
CVE-2025-14178
Description
In PHP versions:8.1.* before 8.1.34, 8.2.* before 8.2.30, 8.3.* before 8.3.29, 8.4.* before 8.4.16, 8.5.* before 8.5.1, a heap buffer overflow occurs in array_merge() when the total element count of packed arrays exceeds 32-bit limits or HT_MAX_SIZE, due to an integer overflow in the precomputation of element counts using zend_hash_num_elements(). This may lead to memory corruption or crashes and affect the integrity and availability of the target server.
NVD Severity
unknown
Other trackers
Mailing lists
Exploits
Forges
GitHub (code, issues), Aports (code, issues)

References

Type URI
security@php.net https://github.com/php/php-src/security/advisories/GHSA-h96m-rvf9-jgm2
af854a3a-2127-422b-91ae-364da2661108 https://lists.debian.org/debian-lts-announce/2026/01/msg00019.html

Match rules

CPE URI Source package Min version Max version
php >= 8.1.* < 8.1.34
php >= 8.2.* < 8.2.30
php >= 8.3.* < 8.3.29
php >= 8.4.* < 8.4.16
php >= 8.5.* < 8.5.1
cpe:2.3:a:php:php:*:*:*:*:*:*:*:* php >= 8.1.0 < 8.1.34
cpe:2.3:a:php:php:*:*:*:*:*:*:*:* php >= 8.2.0 < 8.2.30
cpe:2.3:a:php:php:*:*:*:*:*:*:*:* php >= 8.3.0 < 8.3.29
cpe:2.3:a:php:php:*:*:*:*:*:*:*:* php >= 8.4.0 < 8.4.16
cpe:2.3:a:php:php:*:*:*:*:*:*:*:* php >= 8.5.0 < 8.5.1

Vulnerable and fixed packages

Source package Branch Version Maintainer Status
php85 edge-community 8.5.1-r0 Andy Postnikov <apostnikov@gmail.com> fixed
php85 3.23-community 8.5.1-r0 Andy Postnikov <apostnikov@gmail.com> fixed
php84 edge-community 8.4.16-r0 Andy Postnikov <apostnikov@gmail.com> fixed
php84 3.23-community 8.4.16-r0 Andy Postnikov <apostnikov@gmail.com> fixed
php84 3.22-community 8.4.16-r0 Andy Postnikov <apostnikov@gmail.com> fixed
php83 edge-community 8.3.29-r0 Andy Postnikov <apostnikov@gmail.com> fixed
php83 3.23-community 8.3.29-r0 Andy Postnikov <apostnikov@gmail.com> fixed
php83 3.22-community 8.3.29-r0 Andy Postnikov <apostnikov@gmail.com> fixed
php82 3.22-community 8.2.30-r0 Andy Postnikov <apostnikov@gmail.com> fixed