[RHSA-2021:2365-01] Important: libwebp security update
Security announcements for all Red Hat products and services.
rhsa-announce at redhat.com
Wed Jun 9 13:33:23 UTC 2021
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Red Hat Security Advisory
Synopsis: Important: libwebp security update
Advisory ID: RHSA-2021:2365-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2021:2365
Issue date: 2021-06-09
CVE Names: CVE-2018-25011 CVE-2020-36328 CVE-2020-36329
=====================================================================
1. Summary:
An update for libwebp is now available for Red Hat Enterprise Linux 8.1
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. 8.1) - 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-based buffer overflow in PutLE16() (CVE-2018-25011)
* libwebp: heap-based buffer overflow in WebPDecode*Into functions
(CVE-2020-36328)
* libwebp: use-after-free in EmitFancyRGB() in dec/io_dec.c
(CVE-2020-36329)
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/):
1956829 - CVE-2020-36328 libwebp: heap-based buffer overflow in WebPDecode*Into functions
1956843 - CVE-2020-36329 libwebp: use-after-free in EmitFancyRGB() in dec/io_dec.c
1956919 - CVE-2018-25011 libwebp: heap-based buffer overflow in PutLE16()
6. Package List:
Red Hat Enterprise Linux AppStream EUS (v. 8.1):
Source:
libwebp-1.0.0-4.el8_1.src.rpm
aarch64:
libwebp-1.0.0-4.el8_1.aarch64.rpm
libwebp-debuginfo-1.0.0-4.el8_1.aarch64.rpm
libwebp-debugsource-1.0.0-4.el8_1.aarch64.rpm
libwebp-devel-1.0.0-4.el8_1.aarch64.rpm
libwebp-java-debuginfo-1.0.0-4.el8_1.aarch64.rpm
libwebp-tools-debuginfo-1.0.0-4.el8_1.aarch64.rpm
ppc64le:
libwebp-1.0.0-4.el8_1.ppc64le.rpm
libwebp-debuginfo-1.0.0-4.el8_1.ppc64le.rpm
libwebp-debugsource-1.0.0-4.el8_1.ppc64le.rpm
libwebp-devel-1.0.0-4.el8_1.ppc64le.rpm
libwebp-java-debuginfo-1.0.0-4.el8_1.ppc64le.rpm
libwebp-tools-debuginfo-1.0.0-4.el8_1.ppc64le.rpm
s390x:
libwebp-1.0.0-4.el8_1.s390x.rpm
libwebp-debuginfo-1.0.0-4.el8_1.s390x.rpm
libwebp-debugsource-1.0.0-4.el8_1.s390x.rpm
libwebp-devel-1.0.0-4.el8_1.s390x.rpm
libwebp-java-debuginfo-1.0.0-4.el8_1.s390x.rpm
libwebp-tools-debuginfo-1.0.0-4.el8_1.s390x.rpm
x86_64:
libwebp-1.0.0-4.el8_1.i686.rpm
libwebp-1.0.0-4.el8_1.x86_64.rpm
libwebp-debuginfo-1.0.0-4.el8_1.i686.rpm
libwebp-debuginfo-1.0.0-4.el8_1.x86_64.rpm
libwebp-debugsource-1.0.0-4.el8_1.i686.rpm
libwebp-debugsource-1.0.0-4.el8_1.x86_64.rpm
libwebp-devel-1.0.0-4.el8_1.i686.rpm
libwebp-devel-1.0.0-4.el8_1.x86_64.rpm
libwebp-java-debuginfo-1.0.0-4.el8_1.i686.rpm
libwebp-java-debuginfo-1.0.0-4.el8_1.x86_64.rpm
libwebp-tools-debuginfo-1.0.0-4.el8_1.i686.rpm
libwebp-tools-debuginfo-1.0.0-4.el8_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-2018-25011
https://access.redhat.com/security/cve/CVE-2020-36328
https://access.redhat.com/security/cve/CVE-2020-36329
https://access.redhat.com/security/updates/classification/#important
8. Contact:
The Red Hat security contact is <secalert at redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/
Copyright 2021 Red Hat, Inc.
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