[SECURITY] [DSA 5043-1] lxml security update

2022-01-1221:59:01

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 Security Advisory DSA-5043-1 [email protected]
https://www.debian.org/security/ Salvatore Bonaccorso
January 12, 2022 https://www.debian.org/security/faq

Package : lxml
CVE ID : CVE-2021-43818
Debian Bug : 1001885

It was discovered that lxml, a Python binding for the libxml2 and
libxslt libraries, does not properly sanitize its input, which could
lead to cross-site scripting.

For the oldstable distribution (buster), this problem has been fixed
in version 4.3.2-1+deb10u4.

For the stable distribution (bullseye), this problem has been fixed in
version 4.6.3+dfsg-0.1+deb11u1.

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 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]

OSVersionArchitecturePackageVersionFilename
Debian10mipspython-lxml-dbg< 4.3.2-1+deb10u4python-lxml-dbg_4.3.2-1+deb10u4_mips.deb
Debian9i386python3-lxml< 3.7.1-1+deb9u5python3-lxml_3.7.1-1+deb9u5_i386.deb
Debian10armhfpython-lxml< 4.3.2-1+deb10u4python-lxml_4.3.2-1+deb10u4_armhf.deb
Debian9armhfpython3-lxml< 3.7.1-1+deb9u5python3-lxml_3.7.1-1+deb9u5_armhf.deb
Debian10mipselpython-lxml< 4.3.2-1+deb10u4python-lxml_4.3.2-1+deb10u4_mipsel.deb
Debian9amd64python-lxml< 3.7.1-1+deb9u5python-lxml_3.7.1-1+deb9u5_amd64.deb
Debian10mipselpython-lxml-dbg< 4.3.2-1+deb10u4python-lxml-dbg_4.3.2-1+deb10u4_mipsel.deb
Debian9armelpython-lxml-dbg< 3.7.1-1+deb9u5python-lxml-dbg_3.7.1-1+deb9u5_armel.deb
Debian11alllxml< 4.6.3+dfsg-0.1+deb11u1lxml_4.6.3+dfsg-0.1+deb11u1_all.deb
Debian10allpython-lxml-doc< 4.3.2-1+deb10u4python-lxml-doc_4.3.2-1+deb10u4_all.deb

OS	Version	Architecture	Package	Version	Filename
Debian	10	mips	python-lxml-dbg	< 4.3.2-1+deb10u4	python-lxml-dbg_4.3.2-1+deb10u4_mips.deb
Debian	9	i386	python3-lxml	< 3.7.1-1+deb9u5	python3-lxml_3.7.1-1+deb9u5_i386.deb
Debian	10	armhf	python-lxml	< 4.3.2-1+deb10u4	python-lxml_4.3.2-1+deb10u4_armhf.deb
Debian	9	armhf	python3-lxml	< 3.7.1-1+deb9u5	python3-lxml_3.7.1-1+deb9u5_armhf.deb
Debian	10	mipsel	python-lxml	< 4.3.2-1+deb10u4	python-lxml_4.3.2-1+deb10u4_mipsel.deb
Debian	9	amd64	python-lxml	< 3.7.1-1+deb9u5	python-lxml_3.7.1-1+deb9u5_amd64.deb
Debian	10	mipsel	python-lxml-dbg	< 4.3.2-1+deb10u4	python-lxml-dbg_4.3.2-1+deb10u4_mipsel.deb
Debian	9	armel	python-lxml-dbg	< 3.7.1-1+deb9u5	python-lxml-dbg_3.7.1-1+deb9u5_armel.deb
Debian	11	all	lxml	< 4.6.3+dfsg-0.1+deb11u1	lxml_4.6.3+dfsg-0.1+deb11u1_all.deb
Debian	10	all	python-lxml-doc	< 4.3.2-1+deb10u4	python-lxml-doc_4.3.2-1+deb10u4_all.deb