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Description

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.

Affected products

VendorProductAffectedFixed
PHP Group PHP 8.2.* – < 8.2.33, 8.3.* – < 8.3.33, 8.4.* – < 8.4.24, 8.5.* – < 8.5.9 8.2.33

Fixed in Linux distributions

Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.

ReleasePackageFixed inAdvisory
Debian 14 php8.4 8.4.24-1 —
Debian 13 php8.4 8.4.24-1~deb13u1 —
Debian 12 php8.2 8.2.33-1~deb12u1 —
ReleasePackageFixed inAdvisory
Ubuntu 26.04 LTS php8.5 8.5.4-0ubuntu1.3 USN-8743-1
Ubuntu 24.04 LTS php8.3 8.3.6-0ubuntu0.24.04.11 USN-8743-1
Ubuntu 22.04 LTS php8.1 8.1.2-1ubuntu2.26 USN-8743-1
Show 4 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
Ubuntu Pro 20.04 LTS php7.4 No fix yet —
Ubuntu Pro 18.04 LTS php7.2 No fix yet —
Ubuntu Pro 16.04 LTS php7.0 7.0.33-0ubuntu0.16.04.16+esm20 USN-8734-1
Ubuntu Pro 14.04 LTS php5 No fix yet —
ReleasePackageFixed inAdvisory
RHEL 10 php +23 8.3.33-1.el10_2 RHSA-2026:62614
RHEL 9 apcu-panel +2 5.1.23-1.module+el9.7.0+24111+199d2cc4 RHSA-2026:61903, RHSA-2026:57539
RHEL 9 php +23 8.0.30-8.el9_8 RHSA-2026:61903, RHSA-2026:61259, RHSA-2026:57539
RHEL 9 php-pecl-redis6 6.1.0-3.module+el9.8.0+24343+756b4fcd RHSA-2026:57539
RHEL 9 php-pecl-rrd 2.0.3-4.module+el9.7.0+24111+199d2cc4 RHSA-2026:61903, RHSA-2026:57539
RHEL 9 php-pecl-xdebug3 3.2.2-2.module+el9.7.0+24111+199d2cc4 RHSA-2026:61903, RHSA-2026:57539
RHEL 9 php-pecl-zip 1.22.3-1.module+el9.7.0+24111+199d2cc4 RHSA-2026:61903, RHSA-2026:57539
RHEL 8 apcu-panel +2 5.1.18-1.module+el8.10.0+22485+a3539972 RHSA-2026:62334, RHSA-2026:57574
RHEL 8 libzip +2 1.6.1-1.module+el8.10.0+22485+a3539972 RHSA-2026:62334, RHSA-2026:57574
RHEL 8 php +25 7.4.33-6.module+el8.10.0+24605+5caacdec RHSA-2026:62334, RHSA-2026:57574
RHEL 8 php-pear 1:1.10.13-1.module+el8.10.0+22485+a3539972 RHSA-2026:62334, RHSA-2026:57574
RHEL 8 php-pecl-rrd 2.0.1-1.module+el8.10.0+22485+a3539972 RHSA-2026:62334, RHSA-2026:57574
RHEL 8 php-pecl-xdebug 2.9.5-1.module+el8.10.0+22485+a3539972 RHSA-2026:62334
RHEL 8 php-pecl-xdebug3 3.2.2-2.module+el8.10.0+20798+00eaeb41 RHSA-2026:57574
RHEL 8 php-pecl-zip 1.18.2-1.module+el8.10.0+22485+a3539972 RHSA-2026:62334, RHSA-2026:57574
Show 1 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
Red Hat Hardened Images 1 php +26 8.5.9-1.hum1 RHSA-2026:47200

AlmaLinux

Errata ↗
ReleasePackageFixed inAdvisory
AlmaLinux 10 php +23 8.3.33-1.el10_2 ALSA-2026:62614
AlmaLinux 10 php8.4 +23 8.4.24-1.el10_2 ALSA-2026:56969
AlmaLinux 9 apcu-panel +2 5.1.23-1.module_el9.4.0+65+49ff6472 ALSA-2026:61903, ALSA-2026:57539
AlmaLinux 9 php +23 8.0.30-8.el9_8 ALSA-2026:61903, ALSA-2026:61259, ALSA-2026:57539
AlmaLinux 9 php-pecl-redis6 6.1.0-3.module_el9.8.0+257+89d727f2 ALSA-2026:57539
AlmaLinux 9 php-pecl-rrd 2.0.3-4.module_el9.4.0+65+49ff6472 ALSA-2026:61903, ALSA-2026:57539
AlmaLinux 9 php-pecl-xdebug3 3.2.2-2.module_el9.4.0+65+49ff6472 ALSA-2026:61903, ALSA-2026:57539
AlmaLinux 9 php-pecl-zip 1.22.3-1.module_el9.4.0+65+49ff6472 ALSA-2026:61903, ALSA-2026:57539
AlmaLinux 8 apcu-panel +2 5.1.18-1.module_el8.6.0+2750+78feabcb ALSA-2026:62334, ALSA-2026:57574
AlmaLinux 8 libzip +1 1.6.1-1.module_el8.6.0+2750+78feabcb ALSA-2026:62334, ALSA-2026:57574
AlmaLinux 8 libzip-devel 1.6.1-1.module_el8.6.0+3239+bedf0508 ALSA-2026:62334, ALSA-2026:57574
AlmaLinux 8 php +25 7.4.33-6.module_el8.10.0+4266+b824362a ALSA-2026:62334, ALSA-2026:57574
AlmaLinux 8 php-pear 1:1.10.13-1.module_el8.10.0+3935+28808425 ALSA-2026:62334, ALSA-2026:57574
AlmaLinux 8 php-pecl-rrd 2.0.1-1.module_el8.6.0+2750+78feabcb ALSA-2026:62334, ALSA-2026:57574
AlmaLinux 8 php-pecl-xdebug 2.9.5-1.module_el8.6.0+2750+78feabcb ALSA-2026:62334
AlmaLinux 8 php-pecl-xdebug3 3.2.2-2.module_el8.10.0+3796+30ed3ef7 ALSA-2026:57574
AlmaLinux 8 php-pecl-zip 1.18.2-1.module_el8.6.0+2750+78feabcb ALSA-2026:62334, ALSA-2026:57574

Rocky Linux

Errata ↗
ReleasePackageFixed inAdvisory
Rocky Linux 10 php 8.3.33-1.el10_2 RLSA-2026:62614
Rocky Linux 9 php 8.0.30-8.el9_8 RLSA-2026:61903, RLSA-2026:61259
Rocky Linux 9 php-pecl-apcu 5.1.23-1.module+el9.7.0+40004+bf50a568 RLSA-2026:61903, RLSA-2026:57539
Rocky Linux 9 php-pecl-redis6 6.1.0-3.module+el9.8.0+40203+35cc8ffc RLSA-2026:57539
Rocky Linux 9 php-pecl-rrd 2.0.3-4.module+el9.7.0+40003+454ed3c4 RLSA-2026:61903, RLSA-2026:57539
Rocky Linux 9 php-pecl-xdebug3 3.2.2-2.module+el9.7.0+40004+bf50a568 RLSA-2026:61903, RLSA-2026:57539
Rocky Linux 9 php-pecl-zip 1.22.3-1.module+el9.7.0+40004+bf50a568 RLSA-2026:61903, RLSA-2026:57539
Rocky Linux 8 libzip 1.6.1-1.module+el8.10.0+1604+6558efc7 RLSA-2026:62334, RLSA-2026:57574
Rocky Linux 8 php 7.4.33-6.module+el8.10.0+40307+aa085b19 RLSA-2026:62334
Rocky Linux 8 php-pear 1:1.10.13-1.module+el8.10.0+1604+6558efc7 RLSA-2026:62334, RLSA-2026:57574
Rocky Linux 8 php-pecl-apcu 5.1.18-1.module+el8.10.0+1604+6558efc7 RLSA-2026:62334, RLSA-2026:57574
Rocky Linux 8 php-pecl-rrd 2.0.1-1.module+el8.4.0+414+2e7afcdd RLSA-2026:62334, RLSA-2026:57574
Rocky Linux 8 php-pecl-xdebug 2.9.5-1.module+el8.10.0+1604+6558efc7 RLSA-2026:62334
Rocky Linux 8 php-pecl-xdebug3 3.2.2-2.module+el8.10.0+1596+477f03f8 RLSA-2026:57574
Rocky Linux 8 php-pecl-zip 1.18.2-1.module+el8.10.0+1604+6558efc7 RLSA-2026:62334, RLSA-2026:57574
ReleasePackageFixed inAdvisory
SLES 15 SP7 php7 +4 7.4.33-150400.4.68.1 SUSE-SU-2026:4128-1, SUSE-SU-2026:3510-1
SLES 15 SP7 php7-test 7.4.33-150400.4.68.2 SUSE-SU-2026:4128-1, SUSE-SU-2026:3510-1
SLES 15 SP7 php8 +5 8.3.33-150700.3.18.1 SUSE-SU-2026:3509-1
SLES 15 SP6 php7 +3 7.4.33-150400.4.68.1 SUSE-SU-2026:4128-1, SUSE-SU-2026:3510-1
SLES 15 SP6 php8 +5 8.2.33-150600.3.33.1 SUSE-SU-2026:3514-1
SLES 15 SP5 php7 +3 7.4.33-150400.4.68.1 SUSE-SU-2026:4128-1, SUSE-SU-2026:3510-1
SLES 15 SP5 php8 +5 8.0.30-150400.4.73.1 SUSE-SU-2026:3513-1
SLES 15 SP4 php7 +3 7.4.33-150400.4.68.1 SUSE-SU-2026:4128-1, SUSE-SU-2026:3510-1
SLES 15 SP4 php8 +5 8.0.30-150400.4.73.1 SUSE-SU-2026:3513-1
Show 7 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
SLES for SAP 16.0 php8 +4 8.4.24-160000.1.1 SUSE-SU-2026:23144-1, SUSE-SU-2026:23121-1
SLES for SAP 15 SP6 php7 +3 7.4.33-150400.4.68.1 SUSE-SU-2026:4128-1, SUSE-SU-2026:3510-1
SLES for SAP 15 SP6 php8 +5 8.2.33-150600.3.33.1 SUSE-SU-2026:3514-1
SLES for SAP 15 SP5 php7 +3 7.4.33-150400.4.68.1 SUSE-SU-2026:4128-1, SUSE-SU-2026:3510-1
SLES for SAP 15 SP5 php8 +5 8.0.30-150400.4.73.1 SUSE-SU-2026:3513-1
SLES for SAP 15 SP4 php7 +3 7.4.33-150400.4.68.1 SUSE-SU-2026:4128-1, SUSE-SU-2026:3510-1
SLES for SAP 15 SP4 php8 +5 8.0.30-150400.4.73.1 SUSE-SU-2026:3513-1
SLES 16.0 php8 +4 8.4.24-160000.1.1 SUSE-SU-2026:23144-1, SUSE-SU-2026:23121-1
SLE HPC 15 SP5 php8 +5 8.0.30-150400.4.73.1 SUSE-SU-2026:3513-1
SLE HPC 15 SP4 php7 +3 7.4.33-150400.4.68.1 SUSE-SU-2026:4128-1, SUSE-SU-2026:3510-1
SLE HPC 15 SP4 php8 +5 8.0.30-150400.4.73.1 SUSE-SU-2026:3513-1
ReleasePackageFixed inAdvisory
openSUSE Tumbleweed php8 8.5.9-1.1 openSUSE-SU-2026:11418-1
openSUSE Leap 16.0 php8 +5 8.4.24-160000.1.1 openSUSE-SU-2026:21532-1
ReleasePackageFixed inAdvisory
Alpine v3.24 php83 8.3.33-r0 —
Alpine v3.24 php84 8.4.24-r0 —
Alpine v3.24 php85 8.5.9-r0 —
Alpine v3.23 php83 8.3.36-r0 —
Alpine v3.23 php84 8.4.27-r0 —
Alpine v3.23 php85 8.5.12-r0 —
Alpine v3.22 php82 8.2.33-r0 —
Alpine v3.22 php83 8.3.36-r0 —
Alpine v3.22 php84 8.4.27-r0 —

Amazon Linux

ReleasePackageFixed inAdvisory
Amazon Linux 2023 php8.2 +27 8.2.33-1.amzn2023.0.1 ALAS2023-2026-2043
Amazon Linux 2023 php8.3 +28 8.3.33-1.amzn2023.0.1 ALAS2023-2026-2044
Amazon Linux 2023 php8.4 +27 8.4.24-1.amzn2023.0.1 ALAS2023-2026-2042
Amazon Linux 2023 php8.5 +26 8.5.9-1.amzn2023.0.1 ALAS2023-2026-2041

Azure Linux

ReleasePackageFixed inAdvisory
Azure Linux 3 php 8.3.33-1 —

Oracle Linux

ReleasePackageFixed inAdvisory
Oracle Linux 9 apcu-panel +2 5.1.23-1.module+el9.8.0+90982+92b8b4c7 ELSA-2026-57539
Oracle Linux 9 php +23 8.3.33-1.module+el9.8.0+90999+cab3fe12 ELSA-2026-57539
Oracle Linux 9 php-pecl-redis6 6.1.0-3.module+el9.8.0+90982+92b8b4c7 ELSA-2026-57539
Oracle Linux 9 php-pecl-rrd 2.0.3-4.module+el9.8.0+90982+92b8b4c7 ELSA-2026-57539
Oracle Linux 9 php-pecl-xdebug3 3.3.1-1.module+el9.8.0+90982+92b8b4c7 ELSA-2026-57539
Oracle Linux 9 php-pecl-zip 1.22.3-1.module+el9.8.0+90982+92b8b4c7 ELSA-2026-57539
Oracle Linux 8 apcu-panel +2 5.1.23-1.module+el8.10.0+90469+8883f508 ELSA-2026-57574
Oracle Linux 8 libzip +2 1.7.3-1.module+el8.10.0+90469+8883f508 ELSA-2026-57574
Oracle Linux 8 php +23 8.2.33-1.module+el8.10.0+91000+cf903a0b ELSA-2026-57574
Oracle Linux 8 php-pear 1:1.10.14-1.module+el8.10.0+90469+8883f508 ELSA-2026-57574
Oracle Linux 8 php-pecl-rrd 2.0.3-1.module+el8.10.0+90469+8883f508 ELSA-2026-57574
Oracle Linux 8 php-pecl-xdebug3 3.2.2-2.module+el8.10.0+90469+8883f508 ELSA-2026-57574
Oracle Linux 8 php-pecl-zip 1.22.3-1.module+el8.10.0+90469+8883f508 ELSA-2026-57574

Advisories 38

References