| Name | CVE-2026-12184 |
| Description | PHP: Failure to setup TLS with a remote server can result in a remote DoS |
| Source | CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DSA-6256-1 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| php7.4 (PTS) | bullseye | 7.4.33-1+deb11u5 | fixed |
| bullseye (security) | 7.4.33-1+deb11u11 | fixed |
| php8.2 (PTS) | bookworm, bookworm (security) | 8.2.31-1~deb12u1 | fixed |
| php8.4 (PTS) | trixie | 8.4.16-1~deb13u1 | vulnerable |
| trixie (security) | 8.4.21-1~deb13u1 | fixed |
| forky | 8.4.22-1 | fixed |
| sid | 8.4.23-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| php7.4 | source | (unstable) | (not affected) | | | |
| php8.2 | source | (unstable) | (not affected) | | | |
| php8.4 | source | trixie | 8.4.21-1~deb13u1 | | DSA-6256-1 | |
| php8.4 | source | (unstable) | 8.4.21-1 | | | |
Notes
- php8.2 <not-affected> (Only affects 8.3 and later)
- php7.4 <not-affected> (Only affects 8.3 and later)
https://github.com/php/php-src/security/advisories/GHSA-mhmq-mmqj-2v39
https://github.com/php/php-src/issues/21468
https://github.com/php/php-src/commit/7782b8876bc0f61b0e8bcce262e22896e423b22e (php-8.4.21RC1)