CVE-2021-3518

high

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.

References

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

http://seclists.org/fulldisclosure/2021/Jul/54

http://seclists.org/fulldisclosure/2021/Jul/55

http://seclists.org/fulldisclosure/2021/Jul/58

http://seclists.org/fulldisclosure/2021/Jul/59

https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E

https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E

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

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BZOMV5J4PMZAORVT64BKLV6YIZAFDGX6/

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QVM4UJ3376I6ZVOYMHBNX4GY3NIV52WV/

https://security.gentoo.org/glsa/202107-05

https://security.netapp.com/advisory/ntap-20210625-0002/

https://support.apple.com/kb/HT212601

https://support.apple.com/kb/HT212602

https://support.apple.com/kb/HT212604

https://support.apple.com/kb/HT212605

https://www.oracle.com/security-alerts/cpuapr2022.html

https://www.oracle.com/security-alerts/cpujul2022.html

https://www.oracle.com/security-alerts/cpuoct2021.html

Details

Source: Mitre, NVD

Published: 2021-05-18

Risk Information

CVSS v2

Base Score: 6.8

Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:P

Severity: Medium

CVSS v3

Base Score: 8.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Severity: High