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High ALSA-2026:57574 2 CVEs

Important: php:8.2 security, bug fix, and enhancement update

Published Aug 20, 2026 · Updated Oct 29, 2026

Summary

PHP is an HTML-embedded scripting language commonly used with the Apache HTTP Server.

Security Fix(es):

* php: ext-pgsql: PHP: SQL injection via improper backslash escaping (CVE-2026-17543)
* php: PHP: Denial of Service via circular symbolic links in phar archives (CVE-2026-7260)

Bug Fix(es) and Enhancement(s):

* Rebase PHP to 8.2.33 for CVE-2026-17543 and CVE-2026-7260 in 8.10.z (JIRA:AlmaLinux-223938)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Fixed packages 35

ReleasePackageFixed in
AlmaLinux · 8 apcu-panel 5.1.23-1.module_el8.10.0+3796+30ed3ef7
AlmaLinux · 8 libzip 1.7.3-1.module_el8.10.0+3796+30ed3ef7
AlmaLinux · 8 libzip-devel 1.7.3-1.module_el8.10.0+3796+30ed3ef7
AlmaLinux · 8 libzip-tools 1.7.3-1.module_el8.10.0+3796+30ed3ef7
AlmaLinux · 8 php 8.2.33-1.module_el8.10.0+4258+937e8b44
AlmaLinux · 8 php-bcmath 8.2.33-1.module_el8.10.0+4258+937e8b44
AlmaLinux · 8 php-cli 8.2.33-1.module_el8.10.0+4258+937e8b44
AlmaLinux · 8 php-common 8.2.33-1.module_el8.10.0+4258+937e8b44
AlmaLinux · 8 php-dba 8.2.33-1.module_el8.10.0+4258+937e8b44
AlmaLinux · 8 php-dbg 8.2.33-1.module_el8.10.0+4258+937e8b44
AlmaLinux · 8 php-devel 8.2.33-1.module_el8.10.0+4258+937e8b44
AlmaLinux · 8 php-embedded 8.2.33-1.module_el8.10.0+4258+937e8b44
AlmaLinux · 8 php-enchant 8.2.33-1.module_el8.10.0+4258+937e8b44
AlmaLinux · 8 php-ffi 8.2.33-1.module_el8.10.0+4258+937e8b44
AlmaLinux · 8 php-fpm 8.2.33-1.module_el8.10.0+4258+937e8b44
AlmaLinux · 8 php-gd 8.2.33-1.module_el8.10.0+4258+937e8b44
AlmaLinux · 8 php-gmp 8.2.33-1.module_el8.10.0+4258+937e8b44
AlmaLinux · 8 php-intl 8.2.33-1.module_el8.10.0+4258+937e8b44
AlmaLinux · 8 php-ldap 8.2.33-1.module_el8.10.0+4258+937e8b44
AlmaLinux · 8 php-mbstring 8.2.33-1.module_el8.10.0+4258+937e8b44
AlmaLinux · 8 php-mysqlnd 8.2.33-1.module_el8.10.0+4258+937e8b44
AlmaLinux · 8 php-odbc 8.2.33-1.module_el8.10.0+4258+937e8b44
AlmaLinux · 8 php-opcache 8.2.33-1.module_el8.10.0+4258+937e8b44
AlmaLinux · 8 php-pdo 8.2.33-1.module_el8.10.0+4258+937e8b44
AlmaLinux · 8 php-pear 1:1.10.14-1.module_el8.10.0+3796+30ed3ef7
AlmaLinux · 8 php-pecl-apcu 5.1.23-1.module_el8.10.0+3796+30ed3ef7
AlmaLinux · 8 php-pecl-apcu-devel 5.1.23-1.module_el8.10.0+3796+30ed3ef7
AlmaLinux · 8 php-pecl-rrd 2.0.3-1.module_el8.10.0+3796+30ed3ef7
AlmaLinux · 8 php-pecl-xdebug3 3.2.2-2.module_el8.10.0+3796+30ed3ef7
AlmaLinux · 8 php-pecl-zip 1.22.3-1.module_el8.10.0+3796+30ed3ef7
AlmaLinux · 8 php-pgsql 8.2.33-1.module_el8.10.0+4258+937e8b44
AlmaLinux · 8 php-process 8.2.33-1.module_el8.10.0+4258+937e8b44
AlmaLinux · 8 php-snmp 8.2.33-1.module_el8.10.0+4258+937e8b44
AlmaLinux · 8 php-soap 8.2.33-1.module_el8.10.0+4258+937e8b44
AlmaLinux · 8 php-xml 8.2.33-1.module_el8.10.0+4258+937e8b44

Vulnerabilities 2

  • High 8.1
    CVE-2026-17543 Public exploit

    SQL injection in ext-pgsql via E'...' backslash breakout

    Improper escaping of backslashes in attacker-provided parameters would allow for trivial SQL injection 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.

  • Medium 5.4

    Stack overflow in phar with circular symlinks

    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.

References

  • report
    https://access.redhat.com/security/cve/CVE-2026-17543
  • report
    https://access.redhat.com/security/cve/CVE-2026-7260
  • report
    https://bugzilla.redhat.com/2509254
  • advisory
    https://errata.almalinux.org/8/ALSA-2026-57574.html