Important: jbig2dec security update

Synopsis

Important: jbig2dec security update

Type/Severity

Security Advisory: Important

Topic

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.

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.

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

Affected Products

• Red Hat Enterprise Linux for x86_64 - Extended Update Support 8.1 x86_64
• Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 8.1 s390x
• Red Hat Enterprise Linux for Power, little endian - Extended Update Support 8.1 ppc64le
• Red Hat Enterprise Linux for ARM 64 - Extended Update Support 8.1 aarch64
• Red Hat Enterprise Linux Server (for IBM Power LE) - Update Services for SAP Solutions 8.1 ppc64le
• Red Hat Enterprise Linux Server - Update Services for SAP Solutions 8.1 x86_64

Fixes

• BZ - 1848518 - CVE-2020-12268 jbig2dec: heap-based buffer overflow in jbig2_image_compose in jbig2_image.c

CVEs

• CVE-2020-12268

References

• https://access.redhat.com/security/updates/classification/#important