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Red Hat Security Advisory 2021-2365-01

Red Hat Security Advisory 2021-2365-01
Posted Jun 10, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-2365-01 - 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. Webmasters, web developers and browser developers can use WebP to compress, archive, and distribute digital images more efficiently. Issues addressed include buffer overflow and use-after-free vulnerabilities.

tags | advisory, web, overflow, vulnerability
systems | linux, redhat
advisories | CVE-2018-25011, CVE-2020-36328, CVE-2020-36329
MD5 | 8e349d249173666d30404c33a8b30059

Red Hat Security Advisory 2021-2365-01

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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@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2021 Red Hat, Inc.
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