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AUSCERT External Security Bulletin Redistribution
ESB-2023.5316
libwebp security update
19 September 2023
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: libwebp
Publisher: Red Hat
Operating System: Red Hat
Resolution: Patch/Upgrade
CVE Names: CVE-2023-4863
Original Bulletin:
https://access.redhat.com/errata/RHSA-2023:5189
Comment: CVSS (Max): 9.6 CVE-2023-4863 (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H)
CVSS Source: Red Hat
Calculator: https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
The following are listed in the CISA Known Exploited Vulnerabilities (KEV) Catalog:
CISA KEV CVE(s): CVE-2023-4863
CISA KEV URL: https://www.cisa.gov/known-exploited-vulnerabilities-catalog
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Red Hat Security Advisory
Synopsis: Important: libwebp security update
Advisory ID: RHSA-2023:5189-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2023:5189
Issue date: 2023-09-18
CVE Names: CVE-2023-4863
=====================================================================
1. Summary:
An update for libwebp is now available for Red Hat Enterprise Linux 8.6
Extended Update Support.
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.
2. Relevant releases/architectures:
Red Hat Enterprise Linux AppStream EUS (v.8.6) - aarch64, ppc64le, s390x, x86_64
3. Description:
The libwebp packages provide a library and tools for the WebP graphics
format. WebP is an image format with a lossy compression of digital
photographic images. WebP consists of a codec based on the VP8 format, and
a container based on the Resource Interchange File Format (RIFF).
Webmasters, web developers and browser developers can use WebP to compress,
archive, and distribute digital images more efficiently.
Security Fix(es):
* libwebp: Heap buffer overflow in WebP Codec (CVE-2023-4863)
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.
4. 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
5. Bugs fixed (https://bugzilla.redhat.com/):
2238431 - CVE-2023-4863 libwebp: Heap buffer overflow in WebP Codec
6. Package List:
Red Hat Enterprise Linux AppStream EUS (v.8.6):
Source:
libwebp-1.0.0-7.el8_6.1.src.rpm
aarch64:
libwebp-1.0.0-7.el8_6.1.aarch64.rpm
libwebp-debuginfo-1.0.0-7.el8_6.1.aarch64.rpm
libwebp-debugsource-1.0.0-7.el8_6.1.aarch64.rpm
libwebp-devel-1.0.0-7.el8_6.1.aarch64.rpm
libwebp-java-debuginfo-1.0.0-7.el8_6.1.aarch64.rpm
libwebp-tools-debuginfo-1.0.0-7.el8_6.1.aarch64.rpm
ppc64le:
libwebp-1.0.0-7.el8_6.1.ppc64le.rpm
libwebp-debuginfo-1.0.0-7.el8_6.1.ppc64le.rpm
libwebp-debugsource-1.0.0-7.el8_6.1.ppc64le.rpm
libwebp-devel-1.0.0-7.el8_6.1.ppc64le.rpm
libwebp-java-debuginfo-1.0.0-7.el8_6.1.ppc64le.rpm
libwebp-tools-debuginfo-1.0.0-7.el8_6.1.ppc64le.rpm
s390x:
libwebp-1.0.0-7.el8_6.1.s390x.rpm
libwebp-debuginfo-1.0.0-7.el8_6.1.s390x.rpm
libwebp-debugsource-1.0.0-7.el8_6.1.s390x.rpm
libwebp-devel-1.0.0-7.el8_6.1.s390x.rpm
libwebp-java-debuginfo-1.0.0-7.el8_6.1.s390x.rpm
libwebp-tools-debuginfo-1.0.0-7.el8_6.1.s390x.rpm
x86_64:
libwebp-1.0.0-7.el8_6.1.i686.rpm
libwebp-1.0.0-7.el8_6.1.x86_64.rpm
libwebp-debuginfo-1.0.0-7.el8_6.1.i686.rpm
libwebp-debuginfo-1.0.0-7.el8_6.1.x86_64.rpm
libwebp-debugsource-1.0.0-7.el8_6.1.i686.rpm
libwebp-debugsource-1.0.0-7.el8_6.1.x86_64.rpm
libwebp-devel-1.0.0-7.el8_6.1.i686.rpm
libwebp-devel-1.0.0-7.el8_6.1.x86_64.rpm
libwebp-java-debuginfo-1.0.0-7.el8_6.1.i686.rpm
libwebp-java-debuginfo-1.0.0-7.el8_6.1.x86_64.rpm
libwebp-tools-debuginfo-1.0.0-7.el8_6.1.i686.rpm
libwebp-tools-debuginfo-1.0.0-7.el8_6.1.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/
7. References:
https://access.redhat.com/security/cve/CVE-2023-4863
https://access.redhat.com/security/updates/classification/#important
8. Contact:
The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/
Copyright 2023 Red Hat, Inc.
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