CVE-2017-14632: Canonical Ubuntu Linux

Critical severity, CVSS 9.8. EPSS: 5.7% chance of exploitation in the next 30 days.

Xiph.Org libvorbis 1.3.5 allows Remote Code Execution upon freeing uninitialized memory in the function vorbis_analysis_headerout() in info.c when vi->channels<=0, a similar issue to Mozilla bug 550184.

Affected products

• Canonical Ubuntu Linux: version 14.04 only; version 16.04 only; version 17.10 only
• Debian Debian Linux: version 7.0 only; version 9.0 only
• Xiph.org Libvorbis: version 1.3.5 only

Published 2017-09-21. Last modified 2026-06-17.