A brotli security update has been released for Red Hat Enterprise Linux 8.
RHSA-2021:1702-01: Moderate: brotli security update
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Red Hat Security Advisory
Synopsis: Moderate: brotli security update
Advisory ID: RHSA-2021:1702-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2021:1702
Issue date: 2021-05-18
CVE Names: CVE-2020-8927
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1. Summary:
An update for brotli is now available for Red Hat Enterprise Linux 8.
Red Hat Product Security has rated this update as having a security impact
of Moderate. 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 (v. 8) - aarch64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux BaseOS (v. 8) - aarch64, ppc64le, s390x, x86_64
3. Description:
Brotli is a generic-purpose lossless compression algorithm that compresses
data using a combination of a modern variant of the LZ77 algorithm, Huffman
coding and 2nd order context modeling, with a compression ratio comparable
to the best currently available general-purpose compression methods. It is
similar in speed with deflate but offers more dense compression.
Security Fix(es):
* brotli: buffer overflow when input chunk is larger than 2GiB
(CVE-2020-8927)
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.
Additional Changes:
For detailed information on changes in this release, see the Red Hat
Enterprise Linux 8.4 Release Notes linked from 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/):
1879225 - CVE-2020-8927 brotli: buffer overflow when input chunk is larger than 2GiB
6. Package List:
Red Hat Enterprise Linux AppStream (v. 8):
aarch64:
brotli-debuginfo-1.0.6-3.el8.aarch64.rpm
brotli-debugsource-1.0.6-3.el8.aarch64.rpm
brotli-devel-1.0.6-3.el8.aarch64.rpm
python3-brotli-1.0.6-3.el8.aarch64.rpm
python3-brotli-debuginfo-1.0.6-3.el8.aarch64.rpm
ppc64le:
brotli-debuginfo-1.0.6-3.el8.ppc64le.rpm
brotli-debugsource-1.0.6-3.el8.ppc64le.rpm
brotli-devel-1.0.6-3.el8.ppc64le.rpm
python3-brotli-1.0.6-3.el8.ppc64le.rpm
python3-brotli-debuginfo-1.0.6-3.el8.ppc64le.rpm
s390x:
brotli-debuginfo-1.0.6-3.el8.s390x.rpm
brotli-debugsource-1.0.6-3.el8.s390x.rpm
brotli-devel-1.0.6-3.el8.s390x.rpm
python3-brotli-1.0.6-3.el8.s390x.rpm
python3-brotli-debuginfo-1.0.6-3.el8.s390x.rpm
x86_64:
brotli-debuginfo-1.0.6-3.el8.i686.rpm
brotli-debuginfo-1.0.6-3.el8.x86_64.rpm
brotli-debugsource-1.0.6-3.el8.i686.rpm
brotli-debugsource-1.0.6-3.el8.x86_64.rpm
brotli-devel-1.0.6-3.el8.i686.rpm
brotli-devel-1.0.6-3.el8.x86_64.rpm
python3-brotli-1.0.6-3.el8.x86_64.rpm
python3-brotli-debuginfo-1.0.6-3.el8.i686.rpm
python3-brotli-debuginfo-1.0.6-3.el8.x86_64.rpm
Red Hat Enterprise Linux BaseOS (v. 8):
Source:
brotli-1.0.6-3.el8.src.rpm
aarch64:
brotli-1.0.6-3.el8.aarch64.rpm
brotli-debuginfo-1.0.6-3.el8.aarch64.rpm
brotli-debugsource-1.0.6-3.el8.aarch64.rpm
python3-brotli-debuginfo-1.0.6-3.el8.aarch64.rpm
ppc64le:
brotli-1.0.6-3.el8.ppc64le.rpm
brotli-debuginfo-1.0.6-3.el8.ppc64le.rpm
brotli-debugsource-1.0.6-3.el8.ppc64le.rpm
python3-brotli-debuginfo-1.0.6-3.el8.ppc64le.rpm
s390x:
brotli-1.0.6-3.el8.s390x.rpm
brotli-debuginfo-1.0.6-3.el8.s390x.rpm
brotli-debugsource-1.0.6-3.el8.s390x.rpm
python3-brotli-debuginfo-1.0.6-3.el8.s390x.rpm
x86_64:
brotli-1.0.6-3.el8.i686.rpm
brotli-1.0.6-3.el8.x86_64.rpm
brotli-debuginfo-1.0.6-3.el8.i686.rpm
brotli-debuginfo-1.0.6-3.el8.x86_64.rpm
brotli-debugsource-1.0.6-3.el8.i686.rpm
brotli-debugsource-1.0.6-3.el8.x86_64.rpm
python3-brotli-debuginfo-1.0.6-3.el8.i686.rpm
python3-brotli-debuginfo-1.0.6-3.el8.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-2020-8927
https://access.redhat.com/security/updates/classification/#moderate
https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.4_release_notes/
8. Contact:
The Red Hat security contact is . More contact
details at https://access.redhat.com/security/team/contact/
Copyright 2021 Red Hat, Inc.
