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Red Hat 8: RHSA-2021:2354-01 Important: libwebp Buffer Overflow

red hat
Calendar Grey June 8, 2021
Dist Redhat Esm H88
Security notice for Red Hat Enterprise Linux 8: libwebp vulnerabilities, featuring critical updates and resolutions for buffer overflow concerns.
An update for libwebp is now available for Red Hat Enterprise Linux 8

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

Summary

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.

Topics%20covered

Topics Covered

security advisory buffer overflow Red Hat Enterprise Linux important update libwebp

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

Package List

Red Hat Enterprise Linux AppStream (v. 8):
Source: libwebp-1.0.0-3.el8_4.src.rpm
aarch64: libwebp-1.0.0-3.el8_4.aarch64.rpm libwebp-debuginfo-1.0.0-3.el8_4.aarch64.rpm libwebp-debugsource-1.0.0-3.el8_4.aarch64.rpm libwebp-devel-1.0.0-3.el8_4.aarch64.rpm libwebp-java-debuginfo-1.0.0-3.el8_4.aarch64.rpm libwebp-tools-debuginfo-1.0.0-3.el8_4.aarch64.rpm
ppc64le: libwebp-1.0.0-3.el8_4.ppc64le.rpm libwebp-debuginfo-1.0.0-3.el8_4.ppc64le.rpm libwebp-debugsource-1.0.0-3.el8_4.ppc64le.rpm libwebp-devel-1.0.0-3.el8_4.ppc64le.rpm libwebp-java-debuginfo-1.0.0-3.el8_4.ppc64le.rpm libwebp-tools-debuginfo-1.0.0-3.el8_4.ppc64le.rpm
s390x: libwebp-1.0.0-3.el8_4.s390x.rpm libwebp-debuginfo-1.0.0-3.el8_4.s390x.rpm libwebp-debugsource-1.0.0-3.el8_4.s390x.rpm libwebp-devel-1.0.0-3.el8_4.s390x.rpm libwebp-java-debuginfo-1.0.0-3.el8_4.s390x.rpm libwebp-tools-debuginfo-1.0.0-3.el8_4.s390x.rpm
x86_64: libwebp-1.0.0-3.el8_4.i686.rpm libwebp-1.0.0-3.el8_4.x86_64.rpm libwebp-debuginfo-1.0.0-3.el8_4.i686.rpm libwebp-debuginfo-1.0.0-3.el8_4.x86_64.rpm libwebp-debugsource-1.0.0-3.el8_4.i686.rpm libwebp-debugsource-1.0.0-3.el8_4.x86_64.rpm libwebp-devel-1.0.0-3.el8_4.i686.rpm libwebp-devel-1.0.0-3.el8_4.x86_64.rpm libwebp-java-debuginfo-1.0.0-3.el8_4.i686.rpm

Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2021:2354-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2021:2354
Issue date: 2021-06-08

Topic

An update for libwebp is now available for Red Hat Enterprise Linux 8.Red Hat Product Security has rated this update as having a security impactof Important. A Common Vulnerability Scoring System (CVSS) base score,which gives a detailed severity rating, is available for each vulnerabilityfrom the CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory buffer overflow Red Hat Enterprise Linux important update libwebp

Relevant Releases Architectures

Red Hat Enterprise Linux AppStream (v. 8) - aarch64, ppc64le, s390x, x86_64

Bugs Fixed

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()

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