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OpenAdvisories
High RHSA-2026:56969 2 CVEs

Red Hat Security Advisory: php8.4 security, bug fix, and enhancement update

Published Aug 20, 2026 · Updated Sep 3, 2026

Ecosystem: Red Hat

Fixed packages 50

ReleasePackageFixed in
Red Hat · RHEL 10 enterprise_linux:10.2 php8.4 0:8.4.24-1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 php8.4-bcmath 0:8.4.24-1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 php8.4-bcmath-debuginfo 0:8.4.24-1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 php8.4-cli 0:8.4.24-1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 php8.4-cli-debuginfo 0:8.4.24-1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 php8.4-common 0:8.4.24-1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 php8.4-common-debuginfo 0:8.4.24-1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 php8.4-dba 0:8.4.24-1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 php8.4-dba-debuginfo 0:8.4.24-1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 php8.4-dbg 0:8.4.24-1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 php8.4-dbg-debuginfo 0:8.4.24-1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 php8.4-debuginfo 0:8.4.24-1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 php8.4-debugsource 0:8.4.24-1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 php8.4-devel 0:8.4.24-1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 php8.4-embedded 0:8.4.24-1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 php8.4-embedded-debuginfo 0:8.4.24-1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 php8.4-enchant 0:8.4.24-1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 php8.4-enchant-debuginfo 0:8.4.24-1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 php8.4-ffi 0:8.4.24-1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 php8.4-ffi-debuginfo 0:8.4.24-1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 php8.4-fpm 0:8.4.24-1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 php8.4-fpm-debuginfo 0:8.4.24-1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 php8.4-gd 0:8.4.24-1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 php8.4-gd-debuginfo 0:8.4.24-1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 php8.4-gmp 0:8.4.24-1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 php8.4-gmp-debuginfo 0:8.4.24-1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 php8.4-intl 0:8.4.24-1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 php8.4-intl-debuginfo 0:8.4.24-1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 php8.4-ldap 0:8.4.24-1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 php8.4-ldap-debuginfo 0:8.4.24-1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 php8.4-mbstring 0:8.4.24-1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 php8.4-mbstring-debuginfo 0:8.4.24-1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 php8.4-mysqlnd 0:8.4.24-1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 php8.4-mysqlnd-debuginfo 0:8.4.24-1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 php8.4-odbc 0:8.4.24-1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 php8.4-odbc-debuginfo 0:8.4.24-1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 php8.4-opcache 0:8.4.24-1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 php8.4-opcache-debuginfo 0:8.4.24-1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 php8.4-pdo 0:8.4.24-1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 php8.4-pdo-debuginfo 0:8.4.24-1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 php8.4-pgsql 0:8.4.24-1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 php8.4-pgsql-debuginfo 0:8.4.24-1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 php8.4-process 0:8.4.24-1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 php8.4-process-debuginfo 0:8.4.24-1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 php8.4-snmp 0:8.4.24-1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 php8.4-snmp-debuginfo 0:8.4.24-1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 php8.4-soap 0:8.4.24-1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 php8.4-soap-debuginfo 0:8.4.24-1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 php8.4-xml 0:8.4.24-1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 php8.4-xml-debuginfo 0:8.4.24-1.el10_2

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.

    PHP Group PHP php5 php7.0 Debian Ubuntu Azure Linux Alpine
  • High 8.1
    CVE-2026-17544 Public exploit

    Out-of-bounds write in bccomp() via crafted operand and scale

    Attacker-provided inputs to bccomp() could lead to an out-of-bounds write with stack and heap corruption in PHP versions from 8.4.* before 8.4.24 and from 8.5.* before 8.5.9.

    PHP Group PHP php8.4 php84 Debian Ubuntu Alpine

References

  • article
    https://access.redhat.com/security/updates/classification/#important
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2509254
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2509256
  • article
    https://issues.redhat.com/browse/RHEL-223949
  • advisory
    https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_56969.json
  • report
    https://access.redhat.com/security/cve/CVE-2026-17543
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2026-17543
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2026-17543
  • article
    https://github.com/php/php-src/security/advisories/GHSA-7qpv-r5mr-78m4
  • report
    https://access.redhat.com/security/cve/CVE-2026-17544
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2026-17544
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2026-17544
  • article
    https://github.com/php/php-src/security/advisories/GHSA-x692-q9x7-8c3f