RHSA-2020:4629 — Security Advisory

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.

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.