Description
cleanup_xml_node() in the SOAP XML parser recurses once per XML nesting level with no depth limit. An unauthenticated attacker can post a SOAP request containing tens of thousands of nested elements to any SoapServer endpoint, exhaust the stack and crash the process. The same unbounded recursion exists in the SOAP value decoder and in the WSDL node search helper.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| PHP Group | PHP | 8.2.* – < 8.2.34, 8.3.* – < 8.3.35, 8.4.* – < 8.4.26, 8.5.* – < 8.5.11 | 8.2.34 |
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.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | php8.4 | 8.4.26-1 | — |
| Debian 13 | php8.4 | 8.4.26-1~deb13u1 | — |
| Debian 12 | php8.2 | 8.2.34-1~deb12u1 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.10 | php8.5 | 8.5.9-0ubuntu2 | USN-8936-1 |
| Ubuntu 26.04 LTS | php8.5 | 8.5.4-0ubuntu1.4 | USN-8936-1 |
| Ubuntu 24.04 LTS | php8.3 | 8.3.6-0ubuntu0.24.04.12 | USN-8936-1 |
| Ubuntu 22.04 LTS | php8.1 | 8.1.2-1ubuntu2.27 | USN-8936-1 |
Show 4 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 20.04 LTS | php7.4 | 7.4.3-4ubuntu2.29+esm4 | USN-8936-1 |
| Ubuntu Pro 18.04 LTS | php7.2 | 7.2.24-0ubuntu0.18.04.17+esm13 | USN-8936-1 |
| Ubuntu Pro 16.04 LTS | php7.0 | 7.0.33-0ubuntu0.16.04.16+esm21 | USN-8936-1 |
| Ubuntu Pro 14.04 LTS | php5 | 5.5.9+dfsg-1ubuntu4.29+esm17 | USN-8936-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Red Hat Hardened Images 1 | php +26 | 8.5.11-2.hum1 | RHSA-2026:70720 |
AlmaLinux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux 10 | php +23 | 8.3.36-1.el10_2 | ALSA-2026:87070 |
| AlmaLinux 10 | php8.4 +22 | 8.4.27-1.el10_2 | ALSA-2026:87071 |
| AlmaLinux 9 | apcu-panel +2 | 5.1.23-1.module_el9.4.0+65+49ff6472 | ALSA-2026:87079, ALSA-2026:87072 |
| AlmaLinux 9 | php +23 | 8.0.30-8.el9_8.1 | ALSA-2026:87151, ALSA-2026:87079 |
| AlmaLinux 9 | php-pecl-redis6 | 6.1.0-3.module_el9.8.0+257+89d727f2 | ALSA-2026:87079 |
| AlmaLinux 9 | php-pecl-rrd | 2.0.3-4.module_el9.4.0+65+49ff6472 | ALSA-2026:87079, ALSA-2026:87072 |
| AlmaLinux 9 | php-pecl-xdebug3 | 3.2.2-2.module_el9.4.0+65+49ff6472 | ALSA-2026:87079, ALSA-2026:87072 |
| AlmaLinux 9 | php-pecl-zip | 1.22.3-1.module_el9.4.0+65+49ff6472 | ALSA-2026:87079, ALSA-2026:87072 |
| AlmaLinux 8 | apcu-panel +2 | 5.1.18-1.module_el8.6.0+2750+78feabcb | ALSA-2026:87080, ALSA-2026:87073 |
| AlmaLinux 8 | libzip +1 | 1.6.1-1.module_el8.6.0+2750+78feabcb | ALSA-2026:87080, ALSA-2026:87073 |
| AlmaLinux 8 | libzip-tools | 1.6.1-1.module_el8.6.0+3239+bedf0508 | ALSA-2026:87080, ALSA-2026:87073 |
| AlmaLinux 8 | php +25 | 7.4.33-8.module_el8.10.0+4321+cf5fd4bb | ALSA-2026:87080, ALSA-2026:87073 |
| AlmaLinux 8 | php-pear | 1:1.10.13-1.module_el8.10.0+3935+28808425 | ALSA-2026:87080, ALSA-2026:87073 |
| AlmaLinux 8 | php-pecl-rrd | 2.0.1-1.module_el8.6.0+2750+78feabcb | ALSA-2026:87080, ALSA-2026:87073 |
| AlmaLinux 8 | php-pecl-xdebug | 2.9.5-1.module_el8.6.0+2750+78feabcb | ALSA-2026:87080 |
| AlmaLinux 8 | php-pecl-xdebug3 | 3.2.2-2.module_el8.10.0+3796+30ed3ef7 | ALSA-2026:87073 |
| AlmaLinux 8 | php-pecl-zip | 1.18.2-1.module_el8.6.0+2750+78feabcb | ALSA-2026:87080, ALSA-2026:87073 |
Rocky Linux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Rocky Linux 10 | php | 8.3.36-1.el10_2 | RLSA-2026:87070 |
| Rocky Linux 10 | php8.4 | 8.4.27-1.el10_2 | RLSA-2026:98609, RLSA-2026:87071 |
| Rocky Linux 10 | php8.4-gd +22 | 8.4.27-2.el10_3.1 | RLSA-2026:98609 |
| Rocky Linux 9 | apcu-panel +1 | 5.1.27-2.module+el9.9.0+40326+676d2670 | RLSA-2026:97880 |
| Rocky Linux 9 | php | 8.0.30-8.el9_8.1 | RLSA-2026:97880, RLSA-2026:87151, RLSA-2026:87079 |
| Rocky Linux 9 | php-gd +22 | 8.4.27-1.module+el9.9.0+40418+929a11b6 | RLSA-2026:97880 |
| Rocky Linux 9 | php-pecl-apcu | 5.1.23-1.module+el9.7.0+40004+bf50a568 | RLSA-2026:97880, RLSA-2026:87079, RLSA-2026:87072 |
| Rocky Linux 9 | php-pecl-redis6 | 6.1.0-3.module+el9.8.0+40203+35cc8ffc | RLSA-2026:97880, RLSA-2026:87079 |
| Rocky Linux 9 | php-pecl-rrd | 2.0.3-4.module+el9.7.0+40003+454ed3c4 | RLSA-2026:97880, RLSA-2026:87079, RLSA-2026:87072 |
| Rocky Linux 9 | php-pecl-xdebug3 | 3.2.2-2.module+el9.7.0+40004+bf50a568 | RLSA-2026:97880, RLSA-2026:87079, RLSA-2026:87072 |
| Rocky Linux 9 | php-pecl-zip | 1.22.3-1.module+el9.7.0+40004+bf50a568 | RLSA-2026:97880, RLSA-2026:87079, RLSA-2026:87072 |
| Rocky Linux 8 | libzip | 1.6.1-1.module+el8.10.0+1604+6558efc7 | RLSA-2026:87080, RLSA-2026:87073 |
| Rocky Linux 8 | php | 7.4.33-8.module+el8.10.0+40393+c071e357 | RLSA-2026:87080, RLSA-2026:87073 |
| Rocky Linux 8 | php-pear | 1:1.10.13-1.module+el8.10.0+1604+6558efc7 | RLSA-2026:87080, RLSA-2026:87073 |
| Rocky Linux 8 | php-pecl-apcu | 5.1.18-1.module+el8.10.0+1604+6558efc7 | RLSA-2026:87080, RLSA-2026:87073 |
| Rocky Linux 8 | php-pecl-rrd | 2.0.1-1.module+el8.4.0+414+2e7afcdd | RLSA-2026:87080, RLSA-2026:87073 |
| Rocky Linux 8 | php-pecl-xdebug | 2.9.5-1.module+el8.10.0+1604+6558efc7 | RLSA-2026:87080 |
| Rocky Linux 8 | php-pecl-xdebug3 | 3.2.2-2.module+el8.10.0+1596+477f03f8 | RLSA-2026:87073 |
| Rocky Linux 8 | php-pecl-zip | 1.18.2-1.module+el8.10.0+1604+6558efc7 | RLSA-2026:87080, RLSA-2026:87073 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP7 | php7 +4 | 7.4.33-150400.4.81.1 | SUSE-SU-2026:4853-1 |
| SLES 15 SP7 | php7-test | 7.4.33-150400.4.81.2 | SUSE-SU-2026:4853-1 |
| SLES 15 SP7 | php8 +5 | 8.3.35-150700.3.21.1 | SUSE-SU-2026:4602-1 |
| SLES 15 SP6 | php7 +3 | 7.4.33-150400.4.81.1 | SUSE-SU-2026:4853-1 |
| SLES 15 SP6 | php8 +5 | 8.2.34-150600.3.36.1 | SUSE-SU-2026:4603-1 |
| SLES 15 SP5 | php7 +3 | 7.4.33-150400.4.81.1 | SUSE-SU-2026:4853-1 |
| SLES 15 SP5 | php8 +4 | 8.0.30-150400.4.76.1 | SUSE-SU-2026:4651-1 |
| SLES 15 SP5 | php8-test | 8.0.30-150400.4.76.2 | SUSE-SU-2026:4651-1 |
| SLES 15 SP4 | php7 +3 | 7.4.33-150400.4.81.1 | SUSE-SU-2026:4853-1 |
| SLES 15 SP4 | php8 +4 | 8.0.30-150400.4.76.1 | SUSE-SU-2026:4651-1 |
| SLES 15 SP4 | php8-test | 8.0.30-150400.4.76.2 | SUSE-SU-2026:4651-1 |
Show 7 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 16.0 | php8 +4 | 8.4.26-160000.1.1 | SUSE-SU-2026:24158-1 |
| SLES for SAP 15 SP6 | php7 +3 | 7.4.33-150400.4.81.1 | SUSE-SU-2026:4853-1 |
| SLES for SAP 15 SP6 | php8 +5 | 8.2.34-150600.3.36.1 | SUSE-SU-2026:4603-1 |
| SLES for SAP 15 SP5 | php7 +3 | 7.4.33-150400.4.81.1 | SUSE-SU-2026:4853-1 |
| SLES for SAP 15 SP5 | php8 +4 | 8.0.30-150400.4.76.1 | SUSE-SU-2026:4651-1 |
| SLES for SAP 15 SP5 | php8-test | 8.0.30-150400.4.76.2 | SUSE-SU-2026:4651-1 |
| SLES for SAP 15 SP4 | php7 +3 | 7.4.33-150400.4.81.1 | SUSE-SU-2026:4853-1 |
| SLES for SAP 15 SP4 | php8 +4 | 8.0.30-150400.4.76.1 | SUSE-SU-2026:4651-1 |
| SLES for SAP 15 SP4 | php8-test | 8.0.30-150400.4.76.2 | SUSE-SU-2026:4651-1 |
| SLES 16.0 | php8 +4 | 8.4.26-160000.1.1 | SUSE-SU-2026:24158-1 |
| SLE HPC 15 SP5 | php8 +4 | 8.0.30-150400.4.76.1 | SUSE-SU-2026:4651-1 |
| SLE HPC 15 SP5 | php8-test | 8.0.30-150400.4.76.2 | SUSE-SU-2026:4651-1 |
| SLE HPC 15 SP4 | php7 +3 | 7.4.33-150400.4.81.1 | SUSE-SU-2026:4853-1 |
| SLE HPC 15 SP4 | php8 +4 | 8.0.30-150400.4.76.1 | SUSE-SU-2026:4651-1 |
| SLE HPC 15 SP4 | php8-test | 8.0.30-150400.4.76.2 | SUSE-SU-2026:4651-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | php8 | 8.5.11-1.1 | openSUSE-SU-2026:11901-1 |
| openSUSE Leap 16.0 | php8 +5 | 8.4.26-160000.1.1 | openSUSE-SU-2026:22045-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | php83 | 8.3.35-r0 | — |
| Alpine v3.24 | php84 | 8.4.26-r0 | — |
| Alpine v3.24 | php85 | 8.5.11-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 | 8.2.35-r0 | — |
| Alpine v3.22 | php83 | 8.3.36-r0 | — |
| Alpine v3.22 | php84 | 8.4.27-r0 | — |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2023 | php8.2 +27 | 8.2.34-1.amzn2023.0.1 | ALAS2023-2026-3161 |
| Amazon Linux 2023 | php8.3 +28 | 8.3.35-1.amzn2023.0.1 | ALAS2023-2026-3162 |
| Amazon Linux 2023 | php8.4 +27 | 8.4.26-1.amzn2023.0.1 | ALAS2023-2026-3163 |
| Amazon Linux 2023 | php8.5 +26 | 8.5.11-1.amzn2023.0.1 | ALAS2023-2026-3164 |
| Amazon Linux 2 | php +23 | 5.4.16-46.amzn2.0.8 | ALAS2-2026-4015 |
Azure Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Azure Linux 3 | php | No fix yet | — |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 10 | php +23 | 8.3.36-1.el10_2 | ELSA-2026-87070 |
| Oracle Linux 10 | php8.4 +23 | 8.4.27-1.el10_2 | ELSA-2026-87071 |
| Oracle Linux 9 | apcu-panel +2 | 5.1.23-1.module+el9.4.0+90261+af5cc950 | ELSA-2026-87079, ELSA-2026-87072 |
| Oracle Linux 9 | php +23 | 8.0.30-8.el9_8.1 | ELSA-2026-87151, ELSA-2026-87079, ELSA-2026-87072 |
| Oracle Linux 9 | php-pecl-redis6 | 6.1.0-3.module+el9.8.0+90982+92b8b4c7 | ELSA-2026-87079 |
| Oracle Linux 9 | php-pecl-rrd | 2.0.3-4.module+el9.4.0+90261+af5cc950 | ELSA-2026-87079, ELSA-2026-87072 |
| Oracle Linux 9 | php-pecl-xdebug3 | 3.2.2-2.module+el9.4.0+90261+af5cc950 | ELSA-2026-87079, ELSA-2026-87072 |
| Oracle Linux 9 | php-pecl-zip | 1.22.3-1.module+el9.4.0+90261+af5cc950 | ELSA-2026-87079, ELSA-2026-87072 |
| Oracle Linux 8 | apcu-panel +2 | 5.1.18-1.module+el8.10.0+90472+f810484b | ELSA-2026-87080, ELSA-2026-87073 |
| Oracle Linux 8 | libzip +2 | 1.6.1-1.module+el8.10.0+90472+f810484b | ELSA-2026-87080, ELSA-2026-87073 |
| Oracle Linux 8 | php +25 | 7.4.33-8.module+el8.10.0+91080+9785160d | ELSA-2026-87080, ELSA-2026-87073 |
| Oracle Linux 8 | php-pear | 1:1.10.13-1.module+el8.10.0+90472+f810484b | ELSA-2026-87080, ELSA-2026-87073 |
| Oracle Linux 8 | php-pecl-rrd | 2.0.1-1.module+el8.10.0+90472+f810484b | ELSA-2026-87080, ELSA-2026-87073 |
| Oracle Linux 8 | php-pecl-xdebug | 2.9.5-1.module+el8.10.0+90472+f810484b | ELSA-2026-87080 |
| Oracle Linux 8 | php-pecl-xdebug3 | 3.2.2-2.module+el8.10.0+90469+8883f508 | ELSA-2026-87073 |
| Oracle Linux 8 | php-pecl-zip | 1.18.2-1.module+el8.10.0+90472+f810484b | ELSA-2026-87080, ELSA-2026-87073 |
Advisories 38
- RLSA-2026:98609 Important: php8.4 security update Rocky Linux Security Advisories · Nov 13, 2026
- RLSA-2026:97880 Important: php:8.4 security update Rocky Linux Security Advisories · Nov 13, 2026
- WID-SEC-2026-3585 PHP: Mehrere Schwachstellen BSI CERT-Bund (WID) · Nov 11, 2026
- ALSA-2026:87151 Important: php security update AlmaLinux Security Advisories · Oct 29, 2026
- ALSA-2026:87072 Important: php:8.2 security update AlmaLinux Security Advisories · Oct 29, 2026
- ALSA-2026:87079 Important: php:8.3 security update AlmaLinux Security Advisories · Oct 29, 2026
- ALSA-2026:87071 Important: php8.4 security update AlmaLinux Security Advisories · Oct 29, 2026
- ALSA-2026:87070 Important: php security update AlmaLinux Security Advisories · Oct 29, 2026
- ALSA-2026:87073 Important: php:8.2 security update AlmaLinux Security Advisories · Oct 29, 2026
- ALSA-2026:87080 Important: php:7.4 security update AlmaLinux Security Advisories · Oct 29, 2026
- USN-8936-1 php8.5, php8.3, php8.1, php7.4, php7.2, php7.0, php5 vulnerabilities Ubuntu Security Notices (USN) · Oct 28, 2026
- ALAS2-2026-4015 Important: php security update (Amazon Linux 2) Amazon Linux Security Center (ALAS) · Oct 26, 2026
- SUSE-SU-2026:4853-1 Security update for php7 SUSE / openSUSE Security Updates · Oct 22, 2026
- RLSA-2026:87073 Important: php:8.2 security update Rocky Linux Security Advisories · Oct 22, 2026
- RLSA-2026:87079 Important: php:8.3 security update Rocky Linux Security Advisories · Oct 22, 2026
- RLSA-2026:87080 Important: php:7.4 security update Rocky Linux Security Advisories · Oct 22, 2026
- RLSA-2026:87070 Important: php security update Rocky Linux Security Advisories · Oct 22, 2026
- RLSA-2026:87071 Important: php8.4 security update Rocky Linux Security Advisories · Oct 22, 2026
- RLSA-2026:87072 Important: php:8.2 security update Rocky Linux Security Advisories · Oct 22, 2026
- RLSA-2026:87151 Important: php security update Rocky Linux Security Advisories · Oct 22, 2026
- ELSA-2026-87072 Important: php:8.2 security update (Oracle Linux 9) Oracle Linux Security Advisories (ELSA) · Oct 22, 2026
- ELSA-2026-87079 Important: php:8.3 security update (Oracle Linux 9) Oracle Linux Security Advisories (ELSA) · Oct 22, 2026
- ELSA-2026-87073 Important: php:8.2 security update (Oracle Linux 8) Oracle Linux Security Advisories (ELSA) · Oct 22, 2026
- ELSA-2026-87151 Important: php security update (Oracle Linux 9) Oracle Linux Security Advisories (ELSA) · Oct 21, 2026
- ELSA-2026-87080 Important: php:7.4 security update (Oracle Linux 8) Oracle Linux Security Advisories (ELSA) · Oct 21, 2026
- ELSA-2026-87071 Important: php8.4 security update (Oracle Linux 10) Oracle Linux Security Advisories (ELSA) · Oct 21, 2026
- ELSA-2026-87070 Important: php security update (Oracle Linux 10) Oracle Linux Security Advisories (ELSA) · Oct 21, 2026
- openSUSE-SU-2026:22045-1 Security update for php8 SUSE / openSUSE Security Updates · Oct 19, 2026
- SUSE-SU-2026:24158-1 Security update for php8 SUSE / openSUSE Security Updates · Oct 16, 2026
- RHSA-2026:70720 Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update Red Hat Security Advisories (RHSA) · Oct 15, 2026
- SUSE-SU-2026:4651-1 Security update for php8 SUSE / openSUSE Security Updates · Oct 14, 2026
- ALAS2023-2026-3161 Important: php8.2 security update (Amazon Linux 2023) Amazon Linux Security Center (ALAS) · Oct 12, 2026
- ALAS2023-2026-3162 Important: php8.3 security update (Amazon Linux 2023) Amazon Linux Security Center (ALAS) · Oct 12, 2026
- ALAS2023-2026-3163 Important: php8.4 security update (Amazon Linux 2023) Amazon Linux Security Center (ALAS) · Oct 12, 2026
- ALAS2023-2026-3164 Important: php8.5 security update (Amazon Linux 2023) Amazon Linux Security Center (ALAS) · Oct 12, 2026
- SUSE-SU-2026:4602-1 Security update for php8 SUSE / openSUSE Security Updates · Oct 9, 2026
- SUSE-SU-2026:4603-1 Security update for php8 SUSE / openSUSE Security Updates · Oct 9, 2026
- openSUSE-SU-2026:11901-1 php8-8.5.11-1.1 on GA media SUSE / openSUSE Security Updates · Sep 29, 2026