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Red Hat Enterprise Linux 7: RHSA-2020:3876-01 Moderate: libvpx DoS

red hat
Calendar Grey September 29, 2020
Dist Redhat Esm H88
Red Hat has issued a significant security patch for libvpx impacting multiple platforms. Discover further details.
An update for libvpx is now available for Red Hat Enterprise Linux 7

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.

Summary

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.

Topics%20covered

Topics Covered

security advisory moderate denial of service Red Hat update software security libvpx

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

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

Read the Full Advisory


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

Topic

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 impactof Moderate. A Common Vulnerability Scoring System (CVSS) base score, whichgives a detailed severity rating, is available for each vulnerability fromthe CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory moderate denial of service Red Hat update software security libvpx

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

Bugs Fixed

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

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