Vulnerability DatabaseCVE-2021-3516
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CVE-2021-3516
June 01, 2021
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.
Affected Packages
libxml2 (CONAN):
Affected version(s) >=2.9.9 <2.9.12
Fix Suggestion:
Update to version 2.9.12
Related Resources (16)
https://bugzilla.redhat.com/show_bug.cgi?id=1954225
https://www.oracle.com/security-alerts/cpujan2022.html
https://people.canonical.com/~ubuntu-security/cve/CVE-2021-3516
https://security.archlinux.org/CVE-2021-3516
https://gitlab.gnome.org/GNOME/libxml2/-/commit/1358d157d0bd83be1dfe356a69213df9fac0b539
https://security.netapp.com/advisory/ntap-20210716-0005/
https://gitlab.gnome.org/GNOME/libxml2/-/issues/230
https://security.gentoo.org/glsa/202107-05
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BZOMV5J4PMZAORVT64BKLV6YIZAFDGX6/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/QVM4UJ3376I6ZVOYMHBNX4GY3NIV52WV/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QVM4UJ3376I6ZVOYMHBNX4GY3NIV52WV/
https://lists.debian.org/debian-lts-announce/2021/05/msg00008.html
https://access.redhat.com/security/cve/CVE-2021-3516
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/BZOMV5J4PMZAORVT64BKLV6YIZAFDGX6/
https://security-tracker.debian.org/tracker/CVE-2021-3516
https://github.com/GNOME/libxml2/commit/1358d157d0bd83be1dfe356a69213df9fac0b539
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CVSS v4
Base Score:
8.5
Attack Vector
LOCAL
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
PASSIVE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
HIGH
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
7.8
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
CVSS v2
Base Score:
6.8
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Weakness Type (CWE)
Use After Free
CWE-416
EPSS
Base Score:
0.35