6.8 Medium
CVSS2
Attack Vector
NETWORK
Attack 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
9.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
9.5 High
AI Score
Confidence
High
0.02 Low
EPSS
Percentile
88.9%
Debian Security Advisory DSA-4890-1 [email protected]
https://www.debian.org/security/ Moritz Muehlenhoff
April 12, 2021 https://www.debian.org/security/faq
Package : ruby-kramdown
CVE ID : CVE-2021-28834
Debian Bug : 985569
Stan Hu discovered that kramdown, a pure Ruby Markdown parser and
converter, performed insufficient namespace validation of Rouge syntax
highlighting formatters.
For the stable distribution (buster), this problem has been fixed in
version 1.17.0-1+deb10u2.
We recommend that you upgrade your ruby-kramdown packages.
For the detailed security status of ruby-kramdown please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/ruby-kramdown
Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/
Mailing list: [email protected]
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
Debian | 10 | all | ruby-kramdown | < 1.17.0-1+deb10u2 | ruby-kramdown_1.17.0-1+deb10u2_all.deb |
6.8 Medium
CVSS2
Attack Vector
NETWORK
Attack 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
9.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
9.5 High
AI Score
Confidence
High
0.02 Low
EPSS
Percentile
88.9%