Description
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.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| 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.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| 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 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| 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)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| 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 | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 10 | php +23 | 8.3.33-1.el10_2 | RHSA-2026:62614 |
| RHEL 10 | php8.4 +23 | 8.4.24-1.el10_2 | RHSA-2026:56969 |
| 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)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Red Hat Hardened Images 1 | php +26 | 8.5.9-1.hum1 | RHSA-2026:47200 |
AlmaLinux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| 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 ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Rocky Linux 10 | php | 8.3.33-1.el10_2 | RLSA-2026:62614 |
| Rocky Linux 10 | php8.4 | 8.4.24-1.el10_2 | RLSA-2026:56969 |
| 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 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP7 | php7 +4 | 7.4.33-150400.4.68.1 | SUSE-SU-2026:3510-1 |
| SLES 15 SP7 | php7-test | 7.4.33-150400.4.68.2 | 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-2026:3510-1 |
| 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-2026:3510-1 |
| 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-2026:3510-1 |
| 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)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| 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-2026:3510-1 |
| 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-2026:3510-1 |
| 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-2026:3510-1 |
| 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-2026:3510-1 |
| SLE HPC 15 SP4 | php8 +5 | 8.0.30-150400.4.73.1 | SUSE-SU-2026:3513-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| 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 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| 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 | — |
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
GitHub 1 repository
-
pratham220/CVE-2026-17543-PHP-Exposure-Validator ★ 0 · Aug 4, 2026
Safe PowerShell validator for PHP CVE-2026-17543 exposure via HTTP headers and non-destructive login-form probes.
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
Advisories 33
- SUSE-SU-2026:3509-1 Security update for php8 SUSE / openSUSE Security Updates · Nov 4, 2026
- ALSA-2026:61903 Important: php:8.2 security, bug fix, and enhancement update AlmaLinux Security Advisories · Oct 29, 2026
- ALSA-2026:57539 Important: php:8.3 security, bug fix, and enhancement update AlmaLinux Security Advisories · Oct 29, 2026
- ALSA-2026:61259 Low: php security, bug fix, and enhancement update AlmaLinux Security Advisories · Oct 29, 2026
- ALSA-2026:62614 Important: php security, bug fix, and enhancement update AlmaLinux Security Advisories · Oct 29, 2026
- ALSA-2026:56969 Important: php8.4 security, bug fix, and enhancement update AlmaLinux Security Advisories · Oct 29, 2026
- ALSA-2026:62334 Important: php:7.4 security, bug fix, and enhancement update AlmaLinux Security Advisories · Oct 29, 2026
- ALSA-2026:57574 Important: php:8.2 security, bug fix, and enhancement update AlmaLinux Security Advisories · Oct 29, 2026
- WID-SEC-2026-2598 PHP: Mehrere Schwachstellen BSI CERT-Bund (WID) · Oct 21, 2026
- RHSA-2026:47200 Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update Red Hat Security Advisories (RHSA) · Sep 22, 2026
- USN-8743-1 php8.1, php8.3, php8.5 vulnerabilities Ubuntu Security Notices (USN) · Sep 10, 2026
- USN-8734-1 php7.0 vulnerabilities Ubuntu Security Notices (USN) · Sep 8, 2026
- RLSA-2026:62614 Important: php security, bug fix, and enhancement update Rocky Linux Security Advisories · Sep 3, 2026
- RHSA-2026:62614 Red Hat Security Advisory: php security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Sep 3, 2026
- RHSA-2026:62334 Red Hat Security Advisory: php:7.4 security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Sep 3, 2026
- RHSA-2026:61903 Red Hat Security Advisory: php:8.2 security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Sep 3, 2026
- RHSA-2026:61259 Red Hat Security Advisory: php security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Sep 3, 2026
- RHSA-2026:57574 Red Hat Security Advisory: php:8.2 security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Sep 3, 2026
- RHSA-2026:57539 Red Hat Security Advisory: php:8.3 security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Sep 3, 2026
- RHSA-2026:56969 Red Hat Security Advisory: php8.4 security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Sep 3, 2026
- RLSA-2026:61903 Important: php:8.2 security, bug fix, and enhancement update Rocky Linux Security Advisories · Sep 2, 2026
- RLSA-2026:62334 Important: php:7.4 security, bug fix, and enhancement update Rocky Linux Security Advisories · Sep 2, 2026
- RLSA-2026:61259 Low: php security, bug fix, and enhancement update Rocky Linux Security Advisories · Aug 31, 2026
- RLSA-2026:57574 Important: php:8.2 security, bug fix, and enhancement update Rocky Linux Security Advisories · Aug 21, 2026
- RLSA-2026:57539 Important: php:8.3 security, bug fix, and enhancement update Rocky Linux Security Advisories · Aug 20, 2026
- RLSA-2026:56969 Important: php8.4 security, bug fix, and enhancement update Rocky Linux Security Advisories · Aug 20, 2026
- SUSE-SU-2026:23144-1 Security update for php8 SUSE / openSUSE Security Updates · Aug 14, 2026
- SUSE-SU-2026:23121-1 Security update for php8 SUSE / openSUSE Security Updates · Aug 14, 2026
- openSUSE-SU-2026:21532-1 Security update for php8 SUSE / openSUSE Security Updates · Aug 6, 2026
- SUSE-SU-2026:3510-1 Security update for php7 SUSE / openSUSE Security Updates · Aug 6, 2026
- SUSE-SU-2026:3514-1 Security update for php8 SUSE / openSUSE Security Updates · Aug 6, 2026
- SUSE-SU-2026:3513-1 Security update for php8 SUSE / openSUSE Security Updates · Aug 6, 2026
- openSUSE-SU-2026:11418-1 php8-8.5.9-1.1 on GA media SUSE / openSUSE Security Updates · Aug 2, 2026