| Name | CVE-2022-31626 |
| Description | In PHP versions 7.4.x below 7.4.30, 8.0.x below 8.0.20, and 8.1.x below 8.1.7, when pdo_mysql extension with mysqlnd driver, if the third party is allowed to supply host to connect to and the password for the connection, password of excessive length can trigger a buffer overflow in PHP, which can lead to a remote code execution vulnerability. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DLA-3243-1, DSA-5179-1, ELA-775-1, ELA-777-1 |
| Debian Bugs | 1014533 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| php5 (PTS) | jessie, jessie (lts) | 5.6.40+dfsg-0+deb8u21 | fixed |
| php7.0 (PTS) | stretch (security) | 7.0.33-0+deb9u12 | vulnerable |
| stretch (lts), stretch | 7.0.33-0+deb9u19 | fixed | |
| php7.3 (PTS) | buster, buster (lts) | 7.3.31-1~deb10u8 | fixed |
| buster (security) | 7.3.31-1~deb10u7 | fixed | |
| php7.4 (PTS) | bullseye | 7.4.33-1+deb11u5 | fixed |
| bullseye (security) | 7.4.33-1+deb11u6 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| php5 | source | jessie | 5.6.40+dfsg-0+deb8u16 | ELA-777-1 | ||
| php5 | source | (unstable) | (unfixed) | |||
| php7.0 | source | stretch | 7.0.33-0+deb9u13 | ELA-775-1 | ||
| php7.0 | source | (unstable) | (unfixed) | |||
| php7.3 | source | buster | 7.3.31-1~deb10u2 | DLA-3243-1 | ||
| php7.3 | source | (unstable) | (unfixed) | |||
| php7.4 | source | bullseye | 7.4.30-1+deb11u1 | DSA-5179-1 | ||
| php7.4 | source | (unstable) | (unfixed) | |||
| php8.1 | source | (unstable) | 8.1.7-1 | 1014533 |
[stretch] - php7.0 <postponed> (Minor issue; can be fixed in next update)
Fixed in 7.4.30, 8.0.20, 8.1.7
PHP Bug: https://bugs.php.net/bug.php?id=81719
https://github.com/php/php-src/commit/58006537fc5f133ae8549efe5118cde418b3ace9 (php-7.4.30)