CVE-2026-7259

Publication date 11 May 2026

Last updated 13 May 2026


Ubuntu priority

Description

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().

Read the notes from the security team

Status

Package Ubuntu Release Status
php5 26.04 LTS resolute Not in release
25.10 questing Not in release
24.04 LTS noble Not in release
22.04 LTS jammy Not in release
14.04 LTS trusty
Needs evaluation
php7.0 26.04 LTS resolute Not in release
25.10 questing Not in release
24.04 LTS noble Not in release
22.04 LTS jammy Not in release
16.04 LTS xenial
Needs evaluation
php7.2 26.04 LTS resolute Not in release
25.10 questing Not in release
24.04 LTS noble Not in release
22.04 LTS jammy Not in release
18.04 LTS bionic
Needs evaluation
php7.4 26.04 LTS resolute Not in release
25.10 questing Not in release
24.04 LTS noble Not in release
22.04 LTS jammy Not in release
20.04 LTS focal
Needs evaluation
php8.1 26.04 LTS resolute Not in release
25.10 questing Not in release
24.04 LTS noble Not in release
22.04 LTS jammy
Needs evaluation
php8.3 26.04 LTS resolute Not in release
25.10 questing Not in release
24.04 LTS noble
Needs evaluation
22.04 LTS jammy Not in release
php8.4 26.04 LTS resolute Not in release
25.10 questing
Needs evaluation
24.04 LTS noble Not in release
22.04 LTS jammy Not in release

Notes


sbeattie

PEAR issues should go against php-pear as of xenial


Access our resources on patching vulnerabilities