| Name | CVE-2026-17545 |
| Description | On Windows, PHP's filesystem and stream APIs do not reject reserved device names such as CON, PRN, AUX, NUL, COM1 to COM9, LPT1 to LPT9, CONIN$ and CONOUT$ when they appear as a component of a path. An attacker-controlled filename therefore reaches CreateFileW() and opens a device instead of the regular file the application expected, which can block or hang the request and exhaust worker processes. |
| 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) |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| php8.2 (PTS) | bookworm | 8.2.32-1~deb12u1 | fixed |
| bookworm (security) | 8.2.33-1~deb12u1 | fixed | |
| php8.4 (PTS) | trixie | 8.4.24-1~deb13u1 | fixed |
| trixie (security) | 8.4.26-1~deb13u1 | fixed | |
| forky, sid | 8.4.24-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| php8.2 | source | (unstable) | (not affected) | |||
| php8.4 | source | (unstable) | (not affected) |
- php8.4 <not-affected> (Only affects PHP on Windows)
- php8.2 <not-affected> (Only affects PHP on Windows)
https://github.com/php/php-src/security/advisories/GHSA-9f67-6fw4-hpfp
https://github.com/php/php-src/blob/php-8.4.26/NEWS