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redhatRedHatRHSA-2020:3876
HistorySep 29, 2020 - 7:39 a.m.

(RHSA-2020:3876) Moderate: libvpx security update

2020-09-2907:39:42
access.redhat.com
14

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

7.8 High

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

NONE

Availability Impact

NONE

AV:N/AC:L/Au:N/C:C/I:N/A:N

0.012 Low

EPSS

Percentile

84.9%

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.

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

7.8 High

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

NONE

Availability Impact

NONE

AV:N/AC:L/Au:N/C:C/I:N/A:N

0.012 Low

EPSS

Percentile

84.9%