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RHSA-2022:1068: Red Hat Security Advisory: expat security update

An update for expat is now available for Red Hat Enterprise Linux 8.1 Update Services for SAP Solutions. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.

Related CVEs:

CVE-2022-25235: expat: Malformed 2- and 3-byte UTF-8 sequences can lead to arbitrary code execution
CVE-2022-25236: expat: Namespace-separator characters in "xmlns[:prefix]" attribute values can lead to arbitrary code execution
CVE-2022-25315: expat: Integer overflow in storeRawNames()

3 years ago

Red Hat Security Data

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Issued:

2022-03-28

Updated:

2022-03-28

RHSA-2022:1068 - Security Advisory

Overview
Updated Packages

Synopsis

Important: expat security update

Type/Severity

Security Advisory: Important

Red Hat Insights patch analysis

Identify and remediate systems affected by this advisory.

View affected systems

Topic

An update for expat is now available for Red Hat Enterprise Linux 8.1 Update Services for SAP Solutions.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Description

Expat is a C library for parsing XML documents.

Security Fix(es):

expat: Malformed 2- and 3-byte UTF-8 sequences can lead to arbitrary code execution (CVE-2022-25235)
expat: Namespace-separator characters in "xmlns[:prefix]" attribute values can lead to arbitrary code execution (CVE-2022-25236)
expat: Integer overflow in storeRawNames() (CVE-2022-25315)

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.

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

After installing the updated packages, applications using the Expat library must be restarted for the update to take effect.

Affected Products

Red Hat Enterprise Linux Server (for IBM Power LE) - Update Services for SAP Solutions 8.1 ppc64le
Red Hat Enterprise Linux Server - Update Services for SAP Solutions 8.1 x86_64

Fixes

BZ - 2056363 - CVE-2022-25315 expat: Integer overflow in storeRawNames()
BZ - 2056366 - CVE-2022-25235 expat: Malformed 2- and 3-byte UTF-8 sequences can lead to arbitrary code execution
BZ - 2056370 - CVE-2022-25236 expat: Namespace-separator characters in "xmlns[:prefix]" attribute values can lead to arbitrary code execution

Red Hat Enterprise Linux Server (for IBM Power LE) - Update Services for SAP Solutions 8.1

SRPM

expat-2.2.5-3.el8_1.1.src.rpm

SHA-256: deeb98cec8a8e7a761c487d2addf4a8a91a316a56035d16216175ec8227c69a5

ppc64le

expat-2.2.5-3.el8_1.1.ppc64le.rpm

SHA-256: e2b04084549557390427280eb41d80c809693cad58f40e1afad86db6200a544c

expat-debuginfo-2.2.5-3.el8_1.1.ppc64le.rpm

SHA-256: 6852f7a25f46d708aae310269e954fd963e9e6cd9a13e1eb226703fe7a097685

expat-debugsource-2.2.5-3.el8_1.1.ppc64le.rpm

SHA-256: 4af2cfb2794199c4bae067bf3379053926b9ecd307a27977e2ec17e2799b9379

expat-devel-2.2.5-3.el8_1.1.ppc64le.rpm