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

Synopsis:          Moderate: libvpx security update
Advisory ID:       RHSA-2020:3876-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2020:3876
Issue date:        2020-09-29
CVE Names:         CVE-2017-0393 CVE-2019-9232 CVE-2019-9433
                   CVE-2020-0034
====================================================================
1. Summary:

An update for libvpx is now available for Red Hat Enterprise Linux 7.

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 Client (v. 7) - x86_64
Red Hat Enterprise Linux Client Optional (v. 7) - x86_64
Red Hat Enterprise Linux ComputeNode Optional (v. 7) - x86_64
Red Hat Enterprise Linux Server (v. 7) - ppc64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux Server Optional (v. 7) - ppc64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux Workstation (v. 7) - x86_64
Red Hat Enterprise Linux Workstation Optional (v. 7) - x86_64

3. Description:

The libvpx packages provide the VP8 SDK, which allows the encoding and
decoding of the VP8 video codec, commonly used with the WebM multimedia
container file format.

Security Fix(es):

* libvpx: Denial of service in mediaserver (CVE-2017-0393)

* libvpx: Out of bounds read in vp8_norm table (CVE-2019-9232)

* libvpx: Use-after-free in vp8_deblock() in vp8/common/postproc.c
(CVE-2019-9433)

* libvpx: Out of bounds read in vp8_decode_frame in decodeframe.c
(CVE-2020-0034)

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 7.9 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

After installing the update, all applications using libvpx must be
restarted for the changes to take effect.

5. Bugs fixed (https://bugzilla.redhat.com/):

1769657 - CVE-2017-0393 libvpx: Denial of service in mediaserver
1788966 - CVE-2019-9232 libvpx: Out of bounds read in vp8_norm table
1788994 - CVE-2019-9433 libvpx: Use-after-free in vp8_deblock() in vp8/common/postproc.c
1813000 - CVE-2020-0034 libvpx: Out of bounds read in vp8_decode_frame in decodeframe.c

6. Package List:

Red Hat Enterprise Linux Client (v. 7):

Source:
libvpx-1.3.0-8.el7.src.rpm

x86_64:
libvpx-1.3.0-8.el7.i686.rpm
libvpx-1.3.0-8.el7.x86_64.rpm
libvpx-debuginfo-1.3.0-8.el7.i686.rpm
libvpx-debuginfo-1.3.0-8.el7.x86_64.rpm

Red Hat Enterprise Linux Client Optional (v. 7):

x86_64:
libvpx-debuginfo-1.3.0-8.el7.i686.rpm
libvpx-debuginfo-1.3.0-8.el7.x86_64.rpm
libvpx-devel-1.3.0-8.el7.i686.rpm
libvpx-devel-1.3.0-8.el7.x86_64.rpm
libvpx-utils-1.3.0-8.el7.x86_64.rpm

Red Hat Enterprise Linux ComputeNode Optional (v. 7):

Source:
libvpx-1.3.0-8.el7.src.rpm

x86_64:
libvpx-1.3.0-8.el7.i686.rpm
libvpx-1.3.0-8.el7.x86_64.rpm
libvpx-debuginfo-1.3.0-8.el7.i686.rpm
libvpx-debuginfo-1.3.0-8.el7.x86_64.rpm
libvpx-devel-1.3.0-8.el7.i686.rpm
libvpx-devel-1.3.0-8.el7.x86_64.rpm
libvpx-utils-1.3.0-8.el7.x86_64.rpm

Red Hat Enterprise Linux Server (v. 7):

Source:
libvpx-1.3.0-8.el7.src.rpm

ppc64:
libvpx-1.3.0-8.el7.ppc.rpm
libvpx-1.3.0-8.el7.ppc64.rpm
libvpx-debuginfo-1.3.0-8.el7.ppc.rpm
libvpx-debuginfo-1.3.0-8.el7.ppc64.rpm

ppc64le:
libvpx-1.3.0-8.el7.ppc64le.rpm
libvpx-debuginfo-1.3.0-8.el7.ppc64le.rpm

s390x:
libvpx-1.3.0-8.el7.s390.rpm
libvpx-1.3.0-8.el7.s390x.rpm
libvpx-debuginfo-1.3.0-8.el7.s390.rpm
libvpx-debuginfo-1.3.0-8.el7.s390x.rpm

x86_64:
libvpx-1.3.0-8.el7.i686.rpm
libvpx-1.3.0-8.el7.x86_64.rpm
libvpx-debuginfo-1.3.0-8.el7.i686.rpm
libvpx-debuginfo-1.3.0-8.el7.x86_64.rpm

Red Hat Enterprise Linux Server Optional (v. 7):

ppc64:
libvpx-debuginfo-1.3.0-8.el7.ppc.rpm
libvpx-debuginfo-1.3.0-8.el7.ppc64.rpm
libvpx-devel-1.3.0-8.el7.ppc.rpm
libvpx-devel-1.3.0-8.el7.ppc64.rpm
libvpx-utils-1.3.0-8.el7.ppc64.rpm

ppc64le:
libvpx-debuginfo-1.3.0-8.el7.ppc64le.rpm
libvpx-devel-1.3.0-8.el7.ppc64le.rpm
libvpx-utils-1.3.0-8.el7.ppc64le.rpm

s390x:
libvpx-debuginfo-1.3.0-8.el7.s390.rpm
libvpx-debuginfo-1.3.0-8.el7.s390x.rpm
libvpx-devel-1.3.0-8.el7.s390.rpm
libvpx-devel-1.3.0-8.el7.s390x.rpm
libvpx-utils-1.3.0-8.el7.s390x.rpm

x86_64:
libvpx-debuginfo-1.3.0-8.el7.i686.rpm
libvpx-debuginfo-1.3.0-8.el7.x86_64.rpm
libvpx-devel-1.3.0-8.el7.i686.rpm
libvpx-devel-1.3.0-8.el7.x86_64.rpm
libvpx-utils-1.3.0-8.el7.x86_64.rpm

Red Hat Enterprise Linux Workstation (v. 7):

Source:
libvpx-1.3.0-8.el7.src.rpm

x86_64:
libvpx-1.3.0-8.el7.i686.rpm
libvpx-1.3.0-8.el7.x86_64.rpm
libvpx-debuginfo-1.3.0-8.el7.i686.rpm
libvpx-debuginfo-1.3.0-8.el7.x86_64.rpm

Red Hat Enterprise Linux Workstation Optional (v. 7):

x86_64:
libvpx-debuginfo-1.3.0-8.el7.i686.rpm
libvpx-debuginfo-1.3.0-8.el7.x86_64.rpm
libvpx-devel-1.3.0-8.el7.i686.rpm
libvpx-devel-1.3.0-8.el7.x86_64.rpm
libvpx-utils-1.3.0-8.el7.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-2017-0393
https://access.redhat.com/security/cve/CVE-2019-9232
https://access.redhat.com/security/cve/CVE-2019-9433
https://access.redhat.com/security/cve/CVE-2020-0034
https://access.redhat.com/security/updates/classification/#moderate
https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/7/html/7.9_release_notes/index

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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