CVE-2021-3516

libxml2: Use-after-free in xmlEncodeEntitiesInternal() in entities.c

Published Jun 1, 2021 CVSS 3.1 · 7.8 High EPSS 2.0% KEV · Not listed
Description
There's a flaw in libxml2's xmllint in versions before 2.9.11. An attacker who is able to submit a crafted file to be processed by xmllint could trigger a use-after-free. The greatest impact of this flaw is to confidentiality, integrity, and availability.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DLA Debian DLA DLA-2653-1 libxml2 security update
EUVD EUVD EUVD-2021-26834 There's a flaw in libxml2's xmllint in versions before 2.9.11. An attacker who is able to submit a crafted file to be processed by xmllint could trigger a use-after-free. The greatest impact of this flaw is to confidentiality, integrity, and availability.
Ubuntu USN Ubuntu USN USN-4991-1 libxml2 vulnerabilities