View at Official ubuntu advisory, NVD, CVE.org · CVE detail
Freshness: upstream tracker timestamp is available; use API updated time as primary recency signal.
CVE-2018-5146 medium priority: Ubuntu including 4 source packages (firefox, firefox-esr, libvorbis, thunderbird), 20 status rows across 5 suites (artful, bionic, trusty, upstream, xenial): released 13, DNE 4, not-affected 2, needs-triage 1.
An out of bounds memory write while processing Vorbis audio data was reported through the Pwn2Own contest. This vulnerability affects Firefox < 59.0.1, Firefox ESR < 52.7.2, and Thunderbird < 52.7.