DebianDEBIAN:DLA-2606-1:A3B32[SECURITY] [DLA 2606-1] lxml security update
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:M/Au:N/C:N/I:P/A:N
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
AI Score
Confidence
High
EPSS
Percentile
61.6%
Debian LTS Advisory DLA-2606-1 [email protected]
https://www.debian.org/lts/security/ Thorsten Alteholz
March 24, 2021 https://wiki.debian.org/LTS
Package : lxml
Version : 3.7.1-1+deb9u4
CVE ID : CVE-2021-28957
An issue has been found in lxml, a pythonic binding for the libxml2 and
libxslt libraries.
Due to missing input sanitization, XSS is possible for the HTML5
formaction attribute.
For Debian 9 stretch, this problem has been fixed in version
3.7.1-1+deb9u4.
We recommend that you upgrade your lxml packages.
For the detailed security status of lxml please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/lxml
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
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| Debian | 10 | ppc64el | python3-lxml-dbg | < 4.3.2-1+deb10u3 | python3-lxml-dbg_4.3.2-1+deb10u3_ppc64el.deb |
| Debian | 10 | armel | python3-lxml-dbg | < 4.3.2-1+deb10u3 | python3-lxml-dbg_4.3.2-1+deb10u3_armel.deb |
| Debian | 10 | amd64 | python3-lxml-dbg | < 4.3.2-1+deb10u3 | python3-lxml-dbg_4.3.2-1+deb10u3_amd64.deb |
| Debian | 10 | all | lxml | < 4.3.2-1+deb10u3 | lxml_4.3.2-1+deb10u3_all.deb |
| Debian | 9 | armel | python3-lxml | < 3.7.1-1+deb9u4 | python3-lxml_3.7.1-1+deb9u4_armel.deb |
| Debian | 10 | i386 | python3-lxml-dbg | < 4.3.2-1+deb10u3 | python3-lxml-dbg_4.3.2-1+deb10u3_i386.deb |
| Debian | 10 | armel | python3-lxml | < 4.3.2-1+deb10u3 | python3-lxml_4.3.2-1+deb10u3_armel.deb |
| Debian | 10 | arm64 | python-lxml | < 4.3.2-1+deb10u3 | python-lxml_4.3.2-1+deb10u3_arm64.deb |
| Debian | 9 | armel | python3-lxml-dbg | < 3.7.1-1+deb9u4 | python3-lxml-dbg_3.7.1-1+deb9u4_armel.deb |
| Debian | 10 | armel | python-lxml-dbg | < 4.3.2-1+deb10u3 | python-lxml-dbg_4.3.2-1+deb10u3_armel.deb |
Related
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:M/Au:N/C:N/I:P/A:N
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
AI Score
Confidence
High
EPSS
Percentile
61.6%