| Name | CVE-2021-21702 |
| Description | In PHP versions 7.3.x below 7.3.27, 7.4.x below 7.4.15 and 8.0.x below 8.0.2, when using SOAP extension to connect to a SOAP server, a malicious SOAP server could return malformed XML data as a response that would cause PHP to access a null pointer and thus cause a crash. |
| 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-2708-1, DSA-4856-1 |
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+deb11u3 | fixed |
| bullseye (security) | 7.4.33-1+deb11u4 | fixed |
The information below is based on the following data on fixed versions.
Notes
Fixed in PHP 8.0.2, 7.4.15, 7.3.27
PHP Bug: https://bugs.php.net/80672