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AUSCERT External Security Bulletin Redistribution
ESB-2019.4450
USN-4199-1: libvpx vulnerabilities
26 November 2019
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AusCERT Security Bulletin Summary
---------------------------------
Product: libvpx
Publisher: Ubuntu
Operating System: Ubuntu
Impact/Access: Execute Arbitrary Code/Commands -- Remote with User Interaction
Denial of Service -- Remote with User Interaction
Resolution: Patch/Upgrade
Original Bulletin:
https://usn.ubuntu.com/4199-1/
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USN-4199-1: libvpx vulnerabilities
25 November 2019
libvpx vulnerabilities
A security issue affects these releases of Ubuntu and its derivatives:
o Ubuntu 19.04
o Ubuntu 18.04 LTS
o Ubuntu 16.04 LTS
Summary
Several security issues were fixed in libvpx.
Software Description
o libvpx - VP8 and VP9 video codec
Details
It was discovered that libvpx did not properly handle certain malformed WebM
media files. If an application using libvpx opened a specially crafted WebM
file, a remote attacker could cause a denial of service, or possibly execute
arbitrary code.
Update instructions
The problem can be corrected by updating your system to the following package
versions:
Ubuntu 19.04
libvpx5 - 1.7.0-3ubuntu0.19.04.1
Ubuntu 18.04 LTS
libvpx5 - 1.7.0-3ubuntu0.18.04.1
Ubuntu 16.04 LTS
libvpx3 - 1.5.0-2ubuntu1.1
To update your system, please follow these instructions: https://
wiki.ubuntu.com/Security/Upgrades .
In general, a standard system update will make all the necessary changes.
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