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Red Hat Security Advisory
Synopsis: Important: jbig2dec security update
Advisory ID: RHSA-2020:2971-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:2971
Issue date: 2020-07-16
CVE Names: CVE-2020-12268
=====================================================================
1. Summary:
An update for jbig2dec 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:
jbig2dec is a decoder implementation of the JBIG2 image compression format.
Security Fix(es):
* jbig2dec: heap-based buffer overflow in jbig2_image_compose in
jbig2_image.c (CVE-2020-12268)
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/):
1848518 – CVE-2020-12268 jbig2dec: heap-based buffer overflow in jbig2_image_compose in jbig2_image.c
6. Package List:
Red Hat Enterprise Linux AppStream EUS (v. 8.1):
Source:
jbig2dec-0.14-4.el8_1.src.rpm
aarch64:
jbig2dec-debuginfo-0.14-4.el8_1.aarch64.rpm
jbig2dec-debugsource-0.14-4.el8_1.aarch64.rpm
jbig2dec-libs-0.14-4.el8_1.aarch64.rpm
jbig2dec-libs-debuginfo-0.14-4.el8_1.aarch64.rpm
ppc64le:
jbig2dec-debuginfo-0.14-4.el8_1.ppc64le.rpm
jbig2dec-debugsource-0.14-4.el8_1.ppc64le.rpm
jbig2dec-libs-0.14-4.el8_1.ppc64le.rpm
jbig2dec-libs-debuginfo-0.14-4.el8_1.ppc64le.rpm
s390x:
jbig2dec-debuginfo-0.14-4.el8_1.s390x.rpm
jbig2dec-debugsource-0.14-4.el8_1.s390x.rpm
jbig2dec-libs-0.14-4.el8_1.s390x.rpm
jbig2dec-libs-debuginfo-0.14-4.el8_1.s390x.rpm
x86_64:
jbig2dec-debuginfo-0.14-4.el8_1.i686.rpm
jbig2dec-debuginfo-0.14-4.el8_1.x86_64.rpm
jbig2dec-debugsource-0.14-4.el8_1.i686.rpm
jbig2dec-debugsource-0.14-4.el8_1.x86_64.rpm
jbig2dec-libs-0.14-4.el8_1.i686.rpm
jbig2dec-libs-0.14-4.el8_1.x86_64.rpm
jbig2dec-libs-debuginfo-0.14-4.el8_1.i686.rpm
jbig2dec-libs-debuginfo-0.14-4.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-2020-12268
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 2020 Red Hat, Inc.
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