[SECURITY] [DLA 2871-1] lxml security update

2021-12-3017:05:05

lists.debian.org

7.1 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

LOW

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L

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

0.005 Low

EPSS

Percentile

75.4%

JSON

Debian LTS Advisory DLA-2871-1 [email protected]
https://www.debian.org/lts/security/ Utkarsh Gupta
December 30, 2021 https://wiki.debian.org/LTS

Package : lxml
Version : 3.7.1-1+deb9u5
CVE ID : CVE-2021-43818
Debian Bug : 1001885

lxml is a library for processing XML and HTML in the Python language.
Prior to version 4.6.5, the HTML Cleaner in lxml.html lets certain
crafted script content pass through, as well as script content in
SVG files embedded using data URIs.

For Debian 9 stretch, this problem has been fixed in version
3.7.1-1+deb9u5.

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

OSVersionArchitecturePackageVersionFilename
Debian11amd64python3-lxml-dbg< 4.6.3+dfsg-0.1+deb11u1python3-lxml-dbg_4.6.3+dfsg-0.1+deb11u1_amd64.deb
Debian10amd64python-lxml-dbg< 4.3.2-1+deb10u4python-lxml-dbg_4.3.2-1+deb10u4_amd64.deb
Debian10ppc64elpython-lxml-dbg< 4.3.2-1+deb10u4python-lxml-dbg_4.3.2-1+deb10u4_ppc64el.deb
Debian10mipspython3-lxml< 4.3.2-1+deb10u4python3-lxml_4.3.2-1+deb10u4_mips.deb
Debian11mips64elpython3-lxml< 4.6.3+dfsg-0.1+deb11u1python3-lxml_4.6.3+dfsg-0.1+deb11u1_mips64el.deb
Debian9armelpython3-lxml-dbg< 3.7.1-1+deb9u5python3-lxml-dbg_3.7.1-1+deb9u5_armel.deb
Debian9armhfpython3-lxml-dbg< 3.7.1-1+deb9u5python3-lxml-dbg_3.7.1-1+deb9u5_armhf.deb
Debian11s390xpython3-lxml-dbg< 4.6.3+dfsg-0.1+deb11u1python3-lxml-dbg_4.6.3+dfsg-0.1+deb11u1_s390x.deb
Debian11armhfpython3-lxml-dbg< 4.6.3+dfsg-0.1+deb11u1python3-lxml-dbg_4.6.3+dfsg-0.1+deb11u1_armhf.deb
Debian9armelpython-lxml-dbg< 3.7.1-1+deb9u5python-lxml-dbg_3.7.1-1+deb9u5_armel.deb

OS	Version	Architecture	Package	Version	Filename
Debian	11	amd64	python3-lxml-dbg	< 4.6.3+dfsg-0.1+deb11u1	python3-lxml-dbg_4.6.3+dfsg-0.1+deb11u1_amd64.deb
Debian	10	amd64	python-lxml-dbg	< 4.3.2-1+deb10u4	python-lxml-dbg_4.3.2-1+deb10u4_amd64.deb
Debian	10	ppc64el	python-lxml-dbg	< 4.3.2-1+deb10u4	python-lxml-dbg_4.3.2-1+deb10u4_ppc64el.deb
Debian	10	mips	python3-lxml	< 4.3.2-1+deb10u4	python3-lxml_4.3.2-1+deb10u4_mips.deb
Debian	11	mips64el	python3-lxml	< 4.6.3+dfsg-0.1+deb11u1	python3-lxml_4.6.3+dfsg-0.1+deb11u1_mips64el.deb
Debian	9	armel	python3-lxml-dbg	< 3.7.1-1+deb9u5	python3-lxml-dbg_3.7.1-1+deb9u5_armel.deb
Debian	9	armhf	python3-lxml-dbg	< 3.7.1-1+deb9u5	python3-lxml-dbg_3.7.1-1+deb9u5_armhf.deb
Debian	11	s390x	python3-lxml-dbg	< 4.6.3+dfsg-0.1+deb11u1	python3-lxml-dbg_4.6.3+dfsg-0.1+deb11u1_s390x.deb
Debian	11	armhf	python3-lxml-dbg	< 4.6.3+dfsg-0.1+deb11u1	python3-lxml-dbg_4.6.3+dfsg-0.1+deb11u1_armhf.deb
Debian	9	armel	python-lxml-dbg	< 3.7.1-1+deb9u5	python-lxml-dbg_3.7.1-1+deb9u5_armel.deb