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High RLSA-2026:57574 2 CVEs

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

Published Aug 21, 2026 · Updated Aug 21, 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:Rocky Linux-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 14

ReleasePackageFixed in
Rocky Linux · 8 libzip 0:1.7.3-1.module+el8.10.0+1596+477f03f8
Rocky Linux · 8 libzip 0:1.7.3-1.module+el8.10.0+1911+f499711e
Rocky Linux · 8 libzip 0:1.7.3-1.module+el8.10.0+1605+02e07af7
Rocky Linux · 8 php-pear 1:1.10.14-1.module+el8.10.0+1596+477f03f8
Rocky Linux · 8 php-pear 1:1.10.14-1.module+el8.10.0+1911+f499711e
Rocky Linux · 8 php-pecl-apcu 0:5.1.23-1.module+el8.10.0+1596+477f03f8
Rocky Linux · 8 php-pecl-apcu 0:5.1.23-1.module+el8.10.0+1911+f499711e
Rocky Linux · 8 php-pecl-rrd 0:2.0.3-1.module+el8.10.0+1911+f499711e
Rocky Linux · 8 php-pecl-rrd 0:2.0.3-1.module+el8.10.0+1605+02e07af7
Rocky Linux · 8 php-pecl-rrd 0:2.0.3-1.module+el8.10.0+1596+477f03f8
Rocky Linux · 8 php-pecl-xdebug3 0:3.2.2-2.module+el8.10.0+1596+477f03f8
Rocky Linux · 8 php-pecl-xdebug3 0:3.2.2-2.module+el8.10.0+1911+f499711e
Rocky Linux · 8 php-pecl-zip 0:1.22.3-1.module+el8.10.0+1911+f499711e
Rocky Linux · 8 php-pecl-zip 0:1.22.3-1.module+el8.10.0+1596+477f03f8

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://bugzilla.redhat.com/show_bug.cgi?id=2509254
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2509255
  • advisory
    https://access.redhat.com/errata/RHSA-2026:57574