-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256

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

Synopsis:          Moderate: libvpx security update
Advisory ID:       RHSA-2020:4629-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2020:4629
Issue date:        2020-11-03
CVE Names:         CVE-2019-2126 CVE-2019-9232 CVE-2019-9371 
                   CVE-2019-9433 
====================================================================
1. Summary:

An update for libvpx 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 CodeReady Linux Builder (v. 8) - aarch64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux AppStream (v. 8) - aarch64, ppc64le, s390x, 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: Double free in ParseContentEncodingEntry() in mkvparser.cc
(CVE-2019-2126)

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

* libvpx: Resource exhaustion after memory leak in mkvparser.cc
(CVE-2019-9371)

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

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

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

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

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
1789004 - CVE-2019-9371 libvpx: Resource exhaustion after memory leak in mkvparser.cc
1789008 - CVE-2019-2126 libvpx: Double free in ParseContentEncodingEntry() in mkvparser.cc

6. Package List:

Red Hat Enterprise Linux AppStream (v. 8):

Source:
libvpx-1.7.0-8.el8.src.rpm

aarch64:
libvpx-1.7.0-8.el8.aarch64.rpm
libvpx-debuginfo-1.7.0-8.el8.aarch64.rpm
libvpx-debugsource-1.7.0-8.el8.aarch64.rpm
libvpx-utils-debuginfo-1.7.0-8.el8.aarch64.rpm

ppc64le:
libvpx-1.7.0-8.el8.ppc64le.rpm
libvpx-debuginfo-1.7.0-8.el8.ppc64le.rpm
libvpx-debugsource-1.7.0-8.el8.ppc64le.rpm
libvpx-utils-debuginfo-1.7.0-8.el8.ppc64le.rpm

s390x:
libvpx-1.7.0-8.el8.s390x.rpm
libvpx-debuginfo-1.7.0-8.el8.s390x.rpm
libvpx-debugsource-1.7.0-8.el8.s390x.rpm
libvpx-utils-debuginfo-1.7.0-8.el8.s390x.rpm

x86_64:
libvpx-1.7.0-8.el8.i686.rpm
libvpx-1.7.0-8.el8.x86_64.rpm
libvpx-debuginfo-1.7.0-8.el8.i686.rpm
libvpx-debuginfo-1.7.0-8.el8.x86_64.rpm
libvpx-debugsource-1.7.0-8.el8.i686.rpm
libvpx-debugsource-1.7.0-8.el8.x86_64.rpm
libvpx-utils-debuginfo-1.7.0-8.el8.i686.rpm
libvpx-utils-debuginfo-1.7.0-8.el8.x86_64.rpm

Red Hat CodeReady Linux Builder (v. 8):

aarch64:
libvpx-debuginfo-1.7.0-8.el8.aarch64.rpm
libvpx-debugsource-1.7.0-8.el8.aarch64.rpm
libvpx-devel-1.7.0-8.el8.aarch64.rpm
libvpx-utils-debuginfo-1.7.0-8.el8.aarch64.rpm

ppc64le:
libvpx-debuginfo-1.7.0-8.el8.ppc64le.rpm
libvpx-debugsource-1.7.0-8.el8.ppc64le.rpm
libvpx-devel-1.7.0-8.el8.ppc64le.rpm
libvpx-utils-debuginfo-1.7.0-8.el8.ppc64le.rpm

s390x:
libvpx-debuginfo-1.7.0-8.el8.s390x.rpm
libvpx-debugsource-1.7.0-8.el8.s390x.rpm
libvpx-devel-1.7.0-8.el8.s390x.rpm
libvpx-utils-debuginfo-1.7.0-8.el8.s390x.rpm

x86_64:
libvpx-debuginfo-1.7.0-8.el8.i686.rpm
libvpx-debuginfo-1.7.0-8.el8.x86_64.rpm
libvpx-debugsource-1.7.0-8.el8.i686.rpm
libvpx-debugsource-1.7.0-8.el8.x86_64.rpm
libvpx-devel-1.7.0-8.el8.i686.rpm
libvpx-devel-1.7.0-8.el8.x86_64.rpm
libvpx-utils-debuginfo-1.7.0-8.el8.i686.rpm
libvpx-utils-debuginfo-1.7.0-8.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-2019-2126
https://access.redhat.com/security/cve/CVE-2019-9232
https://access.redhat.com/security/cve/CVE-2019-9371
https://access.redhat.com/security/cve/CVE-2019-9433
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 . More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2020 Red Hat, Inc.
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1
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4P9l
-----END PGP SIGNATURE-----

--
RHSA-announce mailing list
RHSA-announce@redhat.com
https://www.redhat.com/mailman/listinfo/rhsa-announce