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Fencer Vulns
critical 9.8

CVE-2018-5147 json

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

published 2018-06-11 8 y ago modified 2026-06-17 4 mo ago also EUVD-2018-16933

cvss
9.8
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.4%
EPSS 2.4% chance of exploitation in 30 days, percentile 84%
public exploits
0
none known

Summary

The libtremor library has the same flaw as CVE-2018-5146. This library is used by Firefox in place of libvorbis on Android and ARM platforms. This vulnerability affects Firefox ESR < 52.7.2 and Firefox < 59.0.1.

Patch / fix

  • Mozilla Firefox ESR 52.7.2
  • Mozilla Firefox 59.0.1
  • firefox-esr Debian 14, Debian 13, Debian 12 52.7.2esr-1
  • libvorbisidec Debian 14, Debian 13, Debian 12 1.2.1+git20180316-1

debian advisories DEBIAN-CVE-2018-5147

  • firefox Ubuntu 16.04 LTS 59.0.1+build1-0ubuntu0.16.04.1
  • firefox Ubuntu 18.04 LTS 59.0.1+build1-0ubuntu1
  • libvorbisidec Ubuntu 14.04 LTS 1.0.2+svn18153-0.2+deb7u1build0.14.04.1
  • libvorbisidec Ubuntu 16.04 LTS 1.0.2+svn18153-0.2+deb7u1build0.16.04.1

ubuntu advisories UBUNTU-CVE-2018-5147

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • MozillaFirefox SLES for SAP 11 SP4, SLES 11 SP4, SLES 11 SP3-TERADATA +3 more 52.7.3esr-72.27.2
  • MozillaFirefox SLES for SAP 12 SP3, SLES for SAP 12 SP2, SLES for Raspberry Pi 12 SP2 +6 more 52.7.3esr-109.25.1

suse advisories SUSE-SU-2018:0907-1SUSE-SU-2018:0850-1

  • firefox-esr openSUSE Tumbleweed 128.5.1-1.1
  • MozillaFirefox openSUSE Tumbleweed 92.0-1.2

opensuse advisories openSUSE-SU-2024:14572-1openSUSE-SU-2024:10600-1

Exploit prediction

2.39% chance of exploitation in the next 30 days, higher than 84% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.0 9.8 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P

Affected products

  • Mozilla Firefox ESR
  • Mozilla Firefox

Classification

Weakness

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.