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Vulnerabilities / CVE-2018-5091

critical

CVE-2018-5091

Mozilla: Use-after-free with DTMF timers (MFSA 2018-03)

Published Modified CWE 416
In the Trivy database since at least 24 Oct 2026, 07:11 UTCWhen it arrived before that build is not recorded.

Severity by source

NVD9.8CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Red Hat9.8CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Trivy's own label is CRITICAL. Rated critical by NVD, Red Hat, Oracle. Rated lower by Ubuntu (medium).

Description

A use-after-free vulnerability can occur during WebRTC connections when interacting with the DTMF timers. This results in a potentially exploitable crash. This vulnerability affects Firefox ESR < 52.6 and Firefox < 58.

Affected packages and fixed versions

SourcePackageFixed in
Oracle Linux 6firefox52.6.0-1.0.1.el6_9
Oracle Linux 7firefox52.6.0-1.0.1.el7_4
alpine 3.10firefox-esr52.6.0-r0
alpine 3.11firefox-esr52.6.0-r0
alpine 3.12firefox-esr52.6.0-r0
alpine 3.13firefox-esr52.6.0-r0
alpine 3.14firefox-esr52.6.0-r0
alpine 3.15firefox-esr52.6.0-r0
alpine 3.16firefox-esr52.6.0-r0
alpine 3.17firefox-esr52.6.0-r0
alpine 3.18firefox-esr52.6.0-r0
alpine 3.19firefox-esr52.6.0-r0
Show all 31 entries from 31 sources
SourcePackageFixed in
Oracle Linux 6firefox52.6.0-1.0.1.el6_9
Oracle Linux 7firefox52.6.0-1.0.1.el7_4
alpine 3.10firefox-esr52.6.0-r0
alpine 3.11firefox-esr52.6.0-r0
alpine 3.12firefox-esr52.6.0-r0
alpine 3.13firefox-esr52.6.0-r0
alpine 3.14firefox-esr52.6.0-r0
alpine 3.15firefox-esr52.6.0-r0
alpine 3.16firefox-esr52.6.0-r0
alpine 3.17firefox-esr52.6.0-r0
alpine 3.18firefox-esr52.6.0-r0
alpine 3.19firefox-esr52.6.0-r0
alpine 3.20firefox-esr52.6.0-r0
alpine 3.21firefox-esr52.6.0-r0
alpine 3.22firefox-esr52.6.0-r0
alpine 3.23firefox-esr52.6.0-r0
alpine 3.7firefox-esr52.6.0-r0
alpine 3.8firefox-esr52.6.0-r0
alpine 3.9firefox-esr52.6.0-r0
debian 11firefox-esr52.6.0esr-1
debian 12firefox-esr52.6.0esr-1
debian 13firefox-esr52.6.0esr-1
debian 14firefox-esr52.6.0esr-1
debian 7firefox-esr52.6.0esr-1~deb7u1
debian 8firefox-esr52.6.0esr-1~deb8u1
debian 9firefox-esr52.6.0esr-1~deb9u1
echofirefox-esr52.6.0esr-1
ubuntu 14.04firefox58.0+build6-0ubuntu0.14.04.1
ubuntu 16.04firefox58.0+build6-0ubuntu0.16.04.1
ubuntu 17.10firefox58.0+build6-0ubuntu0.17.10.1
ubuntu 18.04firefox59.0.1+build1-0ubuntu1

References

All 18 references

Vulnerability data compiled from the Trivy vulnerability database (trivy-db, Aqua Security, Apache License 2.0), which aggregates third-party advisories. CVE records are published by The MITRE Corporation under the CVE Terms of Use; CVE is a trademark of MITRE. This product uses data from the NVD API but is not endorsed or certified by the NVD. Severity, titles and advisory data from the GitHub Advisory Database (CC BY 4.0), Red Hat security data (CC BY 4.0) and the other sources linked on each entry. Entries may be summarised or re-formatted; the linked original is the authoritative record.