CVE-2021-3518 Information

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.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Reference

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 https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/BZOMV5J4PMZAORVT64BKLV6YIZAFDGX6/ https://security.netapp.com/advisory/ntap-20210625-0002/ https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4@%3Cissues.bookkeeper.apache.org%3E https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b@%3Cissues.bookkeeper.apache.org%3E https://security.gentoo.org/glsa/202107-05 https://support.apple.com/kb/HT212604 https://support.apple.com/kb/HT212605 https://support.apple.com/kb/HT212602 https://support.apple.com/kb/HT212601 http://seclists.org/fulldisclosure/2021/Jul/55 http://seclists.org/fulldisclosure/2021/Jul/54 http://seclists.org/fulldisclosure/2021/Jul/58 http://seclists.org/fulldisclosure/2021/Jul/59 https://www.oracle.com/security-alerts/cpuoct2021.html https://www.oracle.com/security-alerts/cpuapr2022.html

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

8.8