Vulnerabilities / CVE-2018-18492

critical

CVE-2018-18492

Mozilla: Use-after-free with select element

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, Amazon. Rated lower by Red Hat (high), Oracle (high), Ubuntu (medium).

Description

A use-after-free vulnerability can occur after deleting a selection element due to a weak reference to the select element in the options collection. This results in a potentially exploitable crash. This vulnerability affects Thunderbird < 60.4, Firefox ESR < 60.4, and Firefox < 64.

Affected packages and fixed versions

SourcePackageFixed in
amazon linux 2thunderbird, thunderbird-debuginfo60.5.0-1.amzn2.0.1
debian 11firefox-esr, thunderbird60.4.0esr-1 and 1 more
debian 12firefox-esr, thunderbird60.4.0esr-1 and 1 more
debian 13firefox-esr, thunderbird60.4.0esr-1 and 1 more
debian 14firefox-esr, thunderbird60.4.0esr-1 and 1 more
debian 8firefox-esr, thunderbird60.4.0esr-1~deb8u1 and 1 more
debian 9firefox-esr, thunderbird60.4.0esr-1~deb9u1 and 1 more
echofirefox-esr, thunderbird60.4.0esr-1 and 1 more
Oracle Linux 6firefox, thunderbird60.4.0-1.0.1.el6
Oracle Linux 7firefox, thunderbird60.4.0-1.0.1.el7 and 1 more
ubuntu 14.04firefox, thunderbird64.0+build3-0ubuntu0.14.04.1 and 1 more
ubuntu 16.04firefox, thunderbird64.0+build3-0ubuntu0.16.04.1 and 1 more
Show all 28 entries from 14 sources
SourcePackageFixed in
amazon linux 2thunderbird60.5.0-1.amzn2.0.1
amazon linux 2thunderbird-debuginfo60.5.0-1.amzn2.0.1
debian 11firefox-esr60.4.0esr-1
debian 11thunderbird1:60.4.0-1
debian 12firefox-esr60.4.0esr-1
debian 12thunderbird1:60.4.0-1
debian 13firefox-esr60.4.0esr-1
debian 13thunderbird1:60.4.0-1
debian 14firefox-esr60.4.0esr-1
debian 14thunderbird1:60.4.0-1
debian 8firefox-esr60.4.0esr-1~deb8u1
debian 8thunderbird1:60.4.0-1~deb8u1
debian 9firefox-esr60.4.0esr-1~deb9u1
debian 9thunderbird1:60.4.0-1~deb9u1
echofirefox-esr60.4.0esr-1
echothunderbird1:60.4.0-1
Oracle Linux 6firefox60.4.0-1.0.1.el6
Oracle Linux 6thunderbird60.4.0-1.0.1.el6
Oracle Linux 7firefox60.4.0-1.0.1.el7
Oracle Linux 7thunderbird60.4.0-1.0.1.el7_6
ubuntu 14.04firefox64.0+build3-0ubuntu0.14.04.1
ubuntu 14.04thunderbird1:60.4.0+build2-0ubuntu0.14.04.1
ubuntu 16.04firefox64.0+build3-0ubuntu0.16.04.1
ubuntu 16.04thunderbird1:60.4.0+build2-0ubuntu0.16.04.1
ubuntu 18.04firefox64.0+build3-0ubuntu0.18.04.1
ubuntu 18.04thunderbird1:60.4.0+build2-0ubuntu0.18.04.1
ubuntu 18.10firefox64.0+build3-0ubuntu0.18.10.1
ubuntu 18.10thunderbird1:60.4.0+build2-0ubuntu0.18.10.1

References

All 25 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.