CVE-2021-3537

Published: 14 May 2021

A vulnerability found in libxml2 in versions before 2.9.11 shows that it did not propagate errors while parsing XML mixed content, causing a NULL dereference. If an untrusted XML document was parsed in recovery mode and post-validated, the flaw could be used to crash the application. The highest threat from this vulnerability is to system availability.

Priority

Medium

CVSS 3 base score: 5.9

Status

Package Release Status
libxml2
Launchpad, Ubuntu, Debian
Upstream
Released (2.9.10+dfsg-6.6)
Ubuntu 21.04 (Hirsute Hippo)
Released (2.9.10+dfsg-6.3ubuntu0.1)
Ubuntu 20.10 (Groovy Gorilla)
Released (2.9.10+dfsg-5ubuntu0.20.10.2)
Ubuntu 20.04 LTS (Focal Fossa)
Released (2.9.10+dfsg-5ubuntu0.20.04.1)
Ubuntu 18.04 LTS (Bionic Beaver)
Released (2.9.4+dfsg1-6.1ubuntu1.4)
Ubuntu 16.04 ESM (Xenial Xerus)
Released (2.9.3+dfsg1-1ubuntu0.7+esm1)
Ubuntu 14.04 ESM (Trusty Tahr)
Released (2.9.1+dfsg1-3ubuntu4.13+esm2)