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====================================================================                   
Red Hat Security Advisory

Synopsis:          Moderate: gd security update
Advisory ID:       RHSA-2020:4659-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2020:4659
Issue date:        2020-11-03
CVE Names:         CVE-2018-14553 CVE-2019-6977 CVE-2019-6978
====================================================================
1. Summary:

An update for gd 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

3. Description:

GD is an open source code library for the dynamic creation of images by
programmers. GD creates PNG, JPEG, GIF, WebP, XPM, BMP images, among other
formats.

Security Fix(es):

* gd: Heap-based buffer overflow in gdImageColorMatch() in gd_color_match.c
(CVE-2019-6977)

* gd: NULL pointer dereference in gdImageClone (CVE-2018-14553)

* gd: Double free in the gdImage*Ptr in gd_gif_out.c, gd_jpeg.c, and
gd_wbmp.c (CVE-2019-6978)

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 8.3 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/):

1600727 - CVE-2018-14553 gd: NULL pointer dereference in gdImageClone
1671390 - CVE-2019-6978 gd: Double free in the gdImage*Ptr in gd_gif_out.c, gd_jpeg.c, and gd_wbmp.c
1672207 - CVE-2019-6977 gd: Heap-based buffer overflow in gdImageColorMatch() in gd_color_match.c

6. Package List:

Red Hat Enterprise Linux AppStream (v. 8):

Source:
gd-2.2.5-7.el8.src.rpm

aarch64:
gd-2.2.5-7.el8.aarch64.rpm
gd-debuginfo-2.2.5-7.el8.aarch64.rpm
gd-debugsource-2.2.5-7.el8.aarch64.rpm
gd-devel-2.2.5-7.el8.aarch64.rpm
gd-progs-debuginfo-2.2.5-7.el8.aarch64.rpm

ppc64le:
gd-2.2.5-7.el8.ppc64le.rpm
gd-debuginfo-2.2.5-7.el8.ppc64le.rpm
gd-debugsource-2.2.5-7.el8.ppc64le.rpm
gd-devel-2.2.5-7.el8.ppc64le.rpm
gd-progs-debuginfo-2.2.5-7.el8.ppc64le.rpm

s390x:
gd-2.2.5-7.el8.s390x.rpm
gd-debuginfo-2.2.5-7.el8.s390x.rpm
gd-debugsource-2.2.5-7.el8.s390x.rpm
gd-devel-2.2.5-7.el8.s390x.rpm
gd-progs-debuginfo-2.2.5-7.el8.s390x.rpm

x86_64:
gd-2.2.5-7.el8.i686.rpm
gd-2.2.5-7.el8.x86_64.rpm
gd-debuginfo-2.2.5-7.el8.i686.rpm
gd-debuginfo-2.2.5-7.el8.x86_64.rpm
gd-debugsource-2.2.5-7.el8.i686.rpm
gd-debugsource-2.2.5-7.el8.x86_64.rpm
gd-devel-2.2.5-7.el8.i686.rpm
gd-devel-2.2.5-7.el8.x86_64.rpm
gd-progs-debuginfo-2.2.5-7.el8.i686.rpm
gd-progs-debuginfo-2.2.5-7.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-2018-14553
https://access.redhat.com/security/cve/CVE-2019-6977
https://access.redhat.com/security/cve/CVE-2019-6978
https://access.redhat.com/security/updates/classification/#moderate
https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.3_release_notes/

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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