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CVE-2026-7259Null pointer dereference in php_mb_check_encoding() via mb_ereg_search_init()

PHP Group PHP Veröffentlicht: (vor 5 Monaten)

Beschreibung

In PHP versions 8.2.* before 8.2.31, 8.3.* before 8.3.31, 8.4.* before 8.4.21, and 8.5.* before 8.5.6, a mismatch between encoding lists in Oniguruma and mbfl leads to  a NULL pointer dereference, resulting in a segmentation fault and denial of service. The vulnerability is exploitable when user-controlled input can influence the encoding passed to mb_regex_encoding().

Schwachstellentyp (CWE): CWE-476

Daten: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Wiedergegeben wie in der Quelle, auf Englisch.

Betroffene Produkte und Versionen

HerstellerProduktVersionen
PHP Group PHP 8.2.* – < 8.2.31, 8.3.* – < 8.3.31, 8.4.* – < 8.4.21, 8.5.* – < 8.5.6

Referenzen und Patches

CPE-Treffer (NVD) (4)
  • cpe:2.3:a:php:php:*:*:*:*:*:*:*:* ≥ 8.2.0 < 8.2.31
  • cpe:2.3:a:php:php:*:*:*:*:*:*:*:* ≥ 8.3.0 < 8.3.31
  • cpe:2.3:a:php:php:*:*:*:*:*:*:*:* ≥ 8.4.0 < 8.4.21
  • cpe:2.3:a:php:php:*:*:*:*:*:*:*:* ≥ 8.5.0 < 8.5.6

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