This page tracks the Debian fix status. The vulnerability itself is described on the main CVE page. View CVE-2021-3537 →

DEBIAN-CVE-2021-3537

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 dere...

Original description

The description as published by the source.

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.

Source: OSV.dev (Open Source Vulnerabilities) OSV

Affected packages

Debian:12 libxml2

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9.10+dfsg-6.6"}]}]

Debian:13 libxml2

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9.10+dfsg-6.6"}]}]

Debian:14 libxml2

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9.10+dfsg-6.6"}]}]

References

advisory security-tracker.debian.org