RedHat: RHSA-2023-0103:01 Moderate: expat security update
Summary
Expat is a C library for parsing XML documents.
Security Fix(es):
* expat: use-after free caused by overeager destruction of a shared DTD in
XML_ExternalEntityParserCreate (CVE-2022-43680)
For more details about the security issue(s), including the impact, a CVSS
score, acknowledgments, and other related information, refer to the CVE
page(s)
listed in the References section.
Summary
Solution
Before applying this update, make sure all previously released errata
relevant to your system have been applied.
For details on how to apply this update, refer to:
https://access.redhat.com/articles/11258
References
https://access.redhat.com/security/cve/CVE-2022-43680 https://access.redhat.com/security/updates/classification/#moderate
Package List
Red Hat Enterprise Linux BaseOS (v. 8):
Source:
expat-2.2.5-10.el8_7.1.src.rpm
aarch64:
expat-2.2.5-10.el8_7.1.aarch64.rpm
expat-debuginfo-2.2.5-10.el8_7.1.aarch64.rpm
expat-debugsource-2.2.5-10.el8_7.1.aarch64.rpm
expat-devel-2.2.5-10.el8_7.1.aarch64.rpm
ppc64le:
expat-2.2.5-10.el8_7.1.ppc64le.rpm
expat-debuginfo-2.2.5-10.el8_7.1.ppc64le.rpm
expat-debugsource-2.2.5-10.el8_7.1.ppc64le.rpm
expat-devel-2.2.5-10.el8_7.1.ppc64le.rpm
s390x:
expat-2.2.5-10.el8_7.1.s390x.rpm
expat-debuginfo-2.2.5-10.el8_7.1.s390x.rpm
expat-debugsource-2.2.5-10.el8_7.1.s390x.rpm
expat-devel-2.2.5-10.el8_7.1.s390x.rpm
x86_64:
expat-2.2.5-10.el8_7.1.i686.rpm
expat-2.2.5-10.el8_7.1.x86_64.rpm
expat-debuginfo-2.2.5-10.el8_7.1.i686.rpm
expat-debuginfo-2.2.5-10.el8_7.1.x86_64.rpm
expat-debugsource-2.2.5-10.el8_7.1.i686.rpm
expat-debugsource-2.2.5-10.el8_7.1.x86_64.rpm
expat-devel-2.2.5-10.el8_7.1.i686.rpm
expat-devel-2.2.5-10.el8_7.1.x86_64.rpm
These packages are GPG signed by Red Hat for security. Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/
Topic
An update for expat is now available for Red Hat Enterprise Linux 8.Red Hat Product Security has rated this update as having a security impactofModerate. A Common Vulnerability Scoring System (CVSS) base score, whichgivesa detailed severity rating, is available for each vulnerability from theCVElink(s) in the References section.
Topic
Relevant Releases Architectures
Red Hat Enterprise Linux BaseOS (v. 8) - aarch64, ppc64le, s390x, x86_64
Bugs Fixed
2140059 - CVE-2022-43680 expat: use-after free caused by overeager destruction of a shared DTD in XML_ExternalEntityParserCreate