Vulnerabilities / CVE-2017-7819

critical

CVE-2017-7819

Mozilla: Use-after-free while resizing images in design mode (MFSA 2017-22)

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

Description

A use-after-free vulnerability can occur in design mode when image objects are resized if objects referenced during the resizing have been freed from memory. This results in a potentially exploitable crash. This vulnerability affects Firefox < 56, Firefox ESR < 52.4, and Thunderbird < 52.4.

Affected packages and fixed versions

SourcePackageFixed in
debian 11firefox-esr, thunderbird52.4.0esr-2 and 1 more
debian 12firefox-esr, thunderbird52.4.0esr-2 and 1 more
debian 13firefox-esr, thunderbird52.4.0esr-2 and 1 more
debian 14firefox-esr, thunderbird52.4.0esr-2 and 1 more
debian 7firefox-esr, thunderbird52.4.0esr-2~deb7u1 and 1 more
debian 8firefox-esr, thunderbird52.4.0esr-1~deb8u1 and 1 more
debian 9firefox-esr, thunderbird52.4.0esr-1~deb9u1 and 1 more
echofirefox-esr, thunderbird52.4.0esr-2 and 1 more
Oracle Linux 6firefox, thunderbird52.4.0-1.0.1.el6_9 and 1 more
Oracle Linux 7firefox, thunderbird52.4.0-1.0.1.el7_4 and 1 more
ubuntu 14.04firefox, thunderbird56.0+build6-0ubuntu0.14.04.1 and 1 more
ubuntu 16.04firefox, thunderbird56.0+build6-0ubuntu0.16.04.1 and 1 more
Show all 30 entries from 15 sources
SourcePackageFixed in
debian 11firefox-esr52.4.0esr-2
debian 11thunderbird1:52.4.0-1
debian 12firefox-esr52.4.0esr-2
debian 12thunderbird1:52.4.0-1
debian 13firefox-esr52.4.0esr-2
debian 13thunderbird1:52.4.0-1
debian 14firefox-esr52.4.0esr-2
debian 14thunderbird1:52.4.0-1
debian 7firefox-esr52.4.0esr-2~deb7u1
debian 7thunderbird1:52.4.0-1~deb7u1
debian 8firefox-esr52.4.0esr-1~deb8u1
debian 8thunderbird1:52.4.0-1~deb8u1
debian 9firefox-esr52.4.0esr-1~deb9u1
debian 9thunderbird1:52.4.0-1~deb9u1
echofirefox-esr52.4.0esr-2
echothunderbird1:52.4.0-1
Oracle Linux 6firefox52.4.0-1.0.1.el6_9
Oracle Linux 6thunderbird52.4.0-2.0.1.el6_9
Oracle Linux 7firefox52.4.0-1.0.1.el7_4
Oracle Linux 7thunderbird52.4.0-2.0.1.el7_4
ubuntu 14.04firefox56.0+build6-0ubuntu0.14.04.1
ubuntu 14.04thunderbird1:52.4.0+build1-0ubuntu0.14.04.2
ubuntu 16.04firefox56.0+build6-0ubuntu0.16.04.1
ubuntu 16.04thunderbird1:52.4.0+build1-0ubuntu0.16.04.2
ubuntu 17.04firefox56.0+build6-0ubuntu0.17.04.1
ubuntu 17.04thunderbird1:52.4.0+build1-0ubuntu0.17.04.2
ubuntu 17.10firefox56.0+build6-0ubuntu1
ubuntu 17.10thunderbird1:52.4.0+build1-0ubuntu2
ubuntu 18.04firefox56.0+build6-0ubuntu1
ubuntu 18.04thunderbird1:52.4.0+build1-0ubuntu2

References

All 21 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.