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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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