7.8 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
6.8 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:P/I:P/A:P
0.002 Low
EPSS
Percentile
50.7%
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.
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
ubuntu | 18.04 | noarch | libxml2 | < 2.9.4+dfsg1-6.1ubuntu1.4 | UNKNOWN |
ubuntu | 20.04 | noarch | libxml2 | < 2.9.10+dfsg-5ubuntu0.20.04.1 | UNKNOWN |
ubuntu | 20.10 | noarch | libxml2 | < 2.9.10+dfsg-5ubuntu0.20.10.2 | UNKNOWN |
ubuntu | 21.04 | noarch | libxml2 | < 2.9.10+dfsg-6.3ubuntu0.1 | UNKNOWN |
ubuntu | 14.04 | noarch | libxml2 | < 2.9.1+dfsg1-3ubuntu4.13+esm2) Available with Ubuntu Pro or Ubuntu Pro (Infra-only | UNKNOWN |
ubuntu | 16.04 | noarch | libxml2 | < 2.9.3+dfsg1-1ubuntu0.7+esm1) Available with Ubuntu Pro or Ubuntu Pro (Infra-only | UNKNOWN |
gitlab.gnome.org/GNOME/libxml2/-/commit/1358d157d0bd83be1dfe356a69213df9fac0b539
gitlab.gnome.org/GNOME/libxml2/-/issues/230
launchpad.net/bugs/cve/CVE-2021-3516
nvd.nist.gov/vuln/detail/CVE-2021-3516
security-tracker.debian.org/tracker/CVE-2021-3516
ubuntu.com/security/notices/USN-4991-1
www.cve.org/CVERecord?id=CVE-2021-3516
7.8 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
6.8 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:P/I:P/A:P
0.002 Low
EPSS
Percentile
50.7%