| Name | CVE-2022-31627 |
| Description | In PHP versions 8.1.x below 8.1.8, when fileinfo functions, such as finfo_buffer, due to incorrect patch applied to the third party code from libmagic, incorrect function may be used to free allocated memory, which may lead to heap corruption. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| Debian Bugs | 1016972 |
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 |
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) | |||
| php8.1 | source | (unstable) | 8.1.12-1 | 1016972 |
- php7.4 <not-affected> (Only affects 8.1 and later)
- php7.3 <not-affected> (Only affects 8.1 and later)
Fixed in 8.1.8
PHP Bug: https://bugs.php.net/bug.php?id=81723
https://github.com/php/php-src/commit/ca6d511fa54b34d5b75bf120a86482a1b9e1e686