Medium [CVE-2026-7259] NULL pointer dereference in php_mb_check_encoding() via mb_ereg_search_init()
This medium-severity Red Hat Linux advisory covers CVE-2026-7259 affecting Red Hat Enterprise Linux 9, Red Hat Enterprise Linux 1, php.
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Summary
NULL pointer dereference in php_mb_check_encoding() via mb_ereg_search_init(). Red Hat rates this moderate (CVSS 6.5).
Weakness: CWE-476. Affected package(s): php.
Resolved in Red Hat advisory RHSA-2026:33449 — update the affected packages (`sudo dnf update`).
Affected products named by the advisory: Red Hat Enterprise Linux 9; Red Hat Enterprise Linux 1.
- php-0:8.0.30-6.el9_8
- php-0:8.3.31-1.el10_2
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
- RHSA-2026:33449
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
Mitigation checklist
- Update the affected package(s) to the fixed version shipped in RHSA-2026:33449 (`sudo dnf update` / `yum update`).
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
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