CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
AI Score
Confidence
High
EPSS
Percentile
87.8%
Debian LTS Advisory DLA-2653-1 [email protected]
https://www.debian.org/lts/security/ Emilio Pozuelo Monfort
May 10, 2021 https://wiki.debian.org/LTS
Package : libxml2
Version : 2.9.4+dfsg1-2.2+deb9u4
CVE ID : CVE-2021-3516 CVE-2021-3517 CVE-2021-3518 CVE-2021-3537
Several vulnerabilities were discovered in libxml2, a library providing
support to read, modify and write XML and HTML files, which could cause
denial of service via application crash when parsing specially crafted
files.
For Debian 9 stretch, these problems have been fixed in version
2.9.4+dfsg1-2.2+deb9u4.
We recommend that you upgrade your libxml2 packages.
For the detailed security status of libxml2 please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/libxml2
Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
AI Score
Confidence
High
EPSS
Percentile
87.8%