| Name | CVE-2022-4900 |
| Description | A vulnerability was found in PHP where setting the environment variable PHP_CLI_SERVER_WORKERS to a large value leads to a heap buffer overflow. |
| 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 |
|---|
| php5 (PTS) | jessie, jessie (lts) | 5.6.40+dfsg-0+deb8u18 | fixed |
| php7.0 (PTS) | stretch (security) | 7.0.33-0+deb9u12 | fixed |
| stretch (lts), stretch | 7.0.33-0+deb9u16 | fixed |
| 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 | vulnerable |
| bullseye (security) | 7.4.33-1+deb11u5 | vulnerable |
| 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 |
|---|
| php5 | source | (unstable) | (not affected) | | | |
| php7.0 | source | (unstable) | (not affected) | | | |
| php7.3 | source | (unstable) | (not affected) | | | |
| php7.4 | source | (unstable) | (unfixed) | | | |
| php8.2 | source | (unstable) | (not affected) | | | |
Notes
- php8.2 <not-affected> (Fixed before initial upload)
[bullseye] - php7.4 <postponed> (Minor issue, fix along in future update)
https://github.com/php/php-src/issues/8989
https://github.com/php/php-src/pull/9000
https://github.com/php/php-src/commit/789a37f14405e2d1a05a76c9fb4ed2d49d4580d5 (php-8.0.22RC1)
Introduced by: https://github.com/php/php-src/commit/82effb3fc7bcab0efcc343b3e03355f5f2f663c9 (php-7.4.0RC1)