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Red Hat Security Advisory 2020-4659-01

Red Hat Security Advisory 2020-4659-01
Posted Nov 4, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-4659-01 - 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. Issues addressed include buffer overflow, double free, and null pointer vulnerabilities.

tags | advisory, overflow, vulnerability
systems | linux, redhat
advisories | CVE-2018-14553, CVE-2019-6977, CVE-2019-6978
SHA-256 | 07d1244d37b00bce426455cc1b2cbb2f09ac5b1da6a481853872a8a0a3ebedb8

Red Hat Security Advisory 2020-4659-01

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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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