| Name | CVE-2024-2757 |
| Description | In PHP 8.3.* before 8.3.5, function mb_encode_mimeheader() runs endlessly for some inputs that contain long strings of non-space characters followed by a space. This could lead to a potential DoS attack if a hostile user sends data to an application that uses this function. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| php7.3 (PTS) | buster | 7.3.31-1~deb10u1 | fixed |
| buster (security) | 7.3.31-1~deb10u5 | fixed |
| php7.4 (PTS) | bullseye | 7.4.33-1+deb11u4 | fixed |
| bullseye (security) | 7.4.33-1+deb11u5 | fixed |
| php8.2 (PTS) | bookworm | 8.2.7-1~deb12u1 | fixed |
| bookworm (security) | 8.2.18-1~deb12u1 | fixed |
| trixie | 8.2.12-1 | fixed |
| sid | 8.2.18-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| php7.3 | source | (unstable) | (not affected) | | | |
| php7.4 | source | (unstable) | (not affected) | | | |
| php8.2 | source | (unstable) | (not affected) | | | |
Notes
- php8.2 <not-affected> (Only affects 8.3)
- php7.4 <not-affected> (Only affects 8.3)
- php7.3 <not-affected> (Only affects 8.3)
Fixed in: 8.3.6
https://github.com/php/php-src/security/advisories/GHSA-fjp9-9hwx-59fq
https://github.com/php/php-src/commit/3394efc63e52a017995f92d8da4ef28224247bb3