Related Vulnerabilities: CVE-2018-5147  

An out of bounds memory write vulnerability has been discovered in libtremor while processing Vorbis audio data related to codebooks that are not an exact divisor of the partition size.

Severity Critical

Remote Yes

Type Arbitrary code execution

Description

An out of bounds memory write vulnerability has been discovered in libtremor while processing Vorbis audio data related to codebooks that are not an exact divisor of the partition size.

AVG-659 firefox 59.0-2 59.0.1-1 Critical Not affected

https://www.mozilla.org/en-US/security/advisories/mfsa2018-08/#CVE-2018-5147
https://git.xiph.org/?p=tremor.git;a=commitdiff;h=562307a4a7082e24553f3d2c55dab397a17c4b4f
http://seclists.org/oss-sec/2018/q1/243

The libtremor library has the same flaw as CVE-2018-5146.