Vulnerability CVE-2021-3518

Vulnerability CVE-2021-3518

Published: 2021-05-18

Description:

There's a flaw in libxml2 in versions before 2.9.11. An attacker who is able to submit a crafted file to be processed by an application linked with libxml2 could trigger a use-after-free. The greatest impact from this flaw is to confidentiality, integrity, and availability.

Type:

CWE-416

(Use After Free)

CVSS2 => (AV:N/AC:M/Au:N/C:P/I:P/A:P)

CVSS Base Score	Impact Subscore	Exploitability Subscore
6.8/10	6.4/10	8.6/10

Exploit range	Attack complexity	Authentication
Remote	Medium	No required
Confidentiality impact	Integrity impact	Availability impact
Partial	Partial	Partial

Affected software
Xmlsoft -> Libxml2
Redhat -> Jboss core services
Redhat -> Enterprise linux
Fedoraproject -> Fedora
Debian -> Debian linux

References:

https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/QVM4UJ3376I6ZVOYMHBNX4GY3NIV52WV/

https://lists.debian.org/debian-lts-announce/2021/05/msg00008.html

https://bugzilla.redhat.com/show_bug.cgi?id=1954242

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