CVE-2021-21702

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, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, 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~deb10u3	fixed
php7.4 (PTS)	bullseye	7.4.33-1+deb11u1	fixed
	bullseye (security)	7.4.33-1+deb11u3	fixed

The information below is based on the following data on fixed versions.

Package	Type	Release	Fixed Version	Origin
php7.0	source	stretch	7.0.33-0+deb9u11	DLA-2708-1
php7.0	source	(unstable)	(unfixed)
php7.3	source	buster	7.3.27-1~deb10u1	DSA-4856-1
php7.3	source	(unstable)	(unfixed)
php7.4	source	(unstable)	7.4.15-1
php8.0	source	(unstable)	8.0.2-1

Fixed in PHP 8.0.2, 7.4.15, 7.3.27
PHP Bug: https://bugs.php.net/80672