[SECURITY] [DLA 3165-1] expat security update

2022-10-2801:43:45

lists.debian.org

expat

xml parsing

use-after free

cve-2022-43680

debian 10

buster

security advisory

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

7.9 High

AI Score

Confidence

High

0.004 Low

EPSS

Percentile

74.1%

JSON

Debian LTS Advisory DLA-3165-1 [email protected]
https://www.debian.org/lts/security/ Utkarsh Gupta
October 28, 2022 https://wiki.debian.org/LTS

Package : expat
Version : 2.2.6-2+deb10u6
CVE ID : CVE-2022-43680
Debian Bug : 1022743

In src:expat, an XML parsing C library, there is a use-after free
caused by overeager destruction of a shared DTD in
XML_ExternalEntityParserCreate in out-of-memory situations.

For Debian 10 buster, this problem has been fixed in version
2.2.6-2+deb10u6.

We recommend that you upgrade your expat packages.

For the detailed security status of expat please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/expat

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
Debian10armhflibexpat1< 2.2.6-2+deb10u6libexpat1_2.2.6-2+deb10u6_armhf.deb
Debian11i386libexpat1< 2.2.10-2+deb11u5libexpat1_2.2.10-2+deb11u5_i386.deb
Debian11ppc64ellibexpat1< 2.2.10-2+deb11u5libexpat1_2.2.10-2+deb11u5_ppc64el.deb
Debian11mips64ellibexpat1-dbgsym< 2.2.10-2+deb11u5libexpat1-dbgsym_2.2.10-2+deb11u5_mips64el.deb
Debian11i386expat< 2.2.10-2+deb11u5expat_2.2.10-2+deb11u5_i386.deb
Debian11mips64ellibexpat1< 2.2.10-2+deb11u5libexpat1_2.2.10-2+deb11u5_mips64el.deb
Debian11s390xlibexpat1< 2.2.10-2+deb11u5libexpat1_2.2.10-2+deb11u5_s390x.deb
Debian11amd64libexpat1-udeb< 2.2.10-2+deb11u5libexpat1-udeb_2.2.10-2+deb11u5_amd64.deb
Debian10armhflibexpat1-udeb< 2.2.6-2+deb10u6libexpat1-udeb_2.2.6-2+deb10u6_armhf.deb
Debian11ppc64elexpat< 2.2.10-2+deb11u5expat_2.2.10-2+deb11u5_ppc64el.deb

OS	Version	Architecture	Package	Version	Filename
Debian	10	armhf	libexpat1	< 2.2.6-2+deb10u6	libexpat1_2.2.6-2+deb10u6_armhf.deb
Debian	11	i386	libexpat1	< 2.2.10-2+deb11u5	libexpat1_2.2.10-2+deb11u5_i386.deb
Debian	11	ppc64el	libexpat1	< 2.2.10-2+deb11u5	libexpat1_2.2.10-2+deb11u5_ppc64el.deb
Debian	11	mips64el	libexpat1-dbgsym	< 2.2.10-2+deb11u5	libexpat1-dbgsym_2.2.10-2+deb11u5_mips64el.deb
Debian	11	i386	expat	< 2.2.10-2+deb11u5	expat_2.2.10-2+deb11u5_i386.deb
Debian	11	mips64el	libexpat1	< 2.2.10-2+deb11u5	libexpat1_2.2.10-2+deb11u5_mips64el.deb
Debian	11	s390x	libexpat1	< 2.2.10-2+deb11u5	libexpat1_2.2.10-2+deb11u5_s390x.deb
Debian	11	amd64	libexpat1-udeb	< 2.2.10-2+deb11u5	libexpat1-udeb_2.2.10-2+deb11u5_amd64.deb
Debian	10	armhf	libexpat1-udeb	< 2.2.6-2+deb10u6	libexpat1-udeb_2.2.6-2+deb10u6_armhf.deb
Debian	11	ppc64el	expat	< 2.2.10-2+deb11u5	expat_2.2.10-2+deb11u5_ppc64el.deb