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Vulnerabilities / CVE-2019-9812

critical

CVE-2019-9812

Mozilla: Sandbox escape through Firefox Sync

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

Severity by source

NVD9.3CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:H
Red Hat9.3CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:H

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

Description

Given a compromised sandboxed content process due to a separate vulnerability, it is possible to escape that sandbox by loading accounts.firefox.com in that process and forcing a log-in to a malicious Firefox Sync account. Preference settings that disable the sandbox are then synchronized to the local machine and the compromised browser would restart without the sandbox if a crash is triggered. This vulnerability affects Firefox ESR < 60.9, Firefox ESR < 68.1, and Firefox < 69.

Affected packages and fixed versions

SourcePackageFixed in
Oracle Linux 6firefox60.9.0-1.0.1.el6_10
Oracle Linux 7firefox60.9.0-1.0.1.el7_7
Oracle Linux 8firefox68.1.0-1.0.1.el8_0
alpine 3.10firefox-esr69.9.0-r0
alpine 3.11firefox-esr68.1.0-r0
alpine 3.12firefox-esr68.1.0-r0
alpine 3.13firefox-esr68.1.0-r0
alpine 3.14firefox-esr68.1.0-r0
alpine 3.15firefox-esr68.1.0-r0
alpine 3.16firefox-esr68.1.0-r0
alpine 3.17firefox-esr68.1.0-r0
alpine 3.18firefox-esr68.1.0-r0
Show all 39 entries from 39 sources
SourcePackageFixed in
Oracle Linux 6firefox60.9.0-1.0.1.el6_10
Oracle Linux 7firefox60.9.0-1.0.1.el7_7
Oracle Linux 8firefox68.1.0-1.0.1.el8_0
alpine 3.10firefox-esr69.9.0-r0
alpine 3.11firefox-esr68.1.0-r0
alpine 3.12firefox-esr68.1.0-r0
alpine 3.13firefox-esr68.1.0-r0
alpine 3.14firefox-esr68.1.0-r0
alpine 3.15firefox-esr68.1.0-r0
alpine 3.16firefox-esr68.1.0-r0
alpine 3.17firefox-esr68.1.0-r0
alpine 3.18firefox-esr68.1.0-r0
alpine 3.19firefox-esr68.1.0-r0
alpine 3.20firefox-esr68.1.0-r0
alpine 3.21firefox-esr68.1.0-r0
alpine 3.22firefox-esr68.1.0-r0
alpine 3.23firefox-esr68.1.0-r0
alpine 3.9firefox-esr69.9.0-r0
debian 10firefox-esr60.9.0esr-1~deb10u1
debian 11firefox-esr68.1.0esr-1
debian 12firefox-esr68.1.0esr-1
debian 13firefox-esr68.1.0esr-1
debian 14firefox-esr68.1.0esr-1
debian 8firefox-esr60.9.0esr-1~deb8u1
debian 9firefox-esr60.9.0esr-1~deb9u1
echofirefox-esr68.1.0esr-1
ubuntu 16.04firefox69.0+build2-0ubuntu0.16.04.4
ubuntu 18.04firefox69.0+build2-0ubuntu0.18.04.1
ubuntu 19.04firefox69.0+build2-0ubuntu0.19.04.1
ubuntu 19.10firefox69.0+build2-0ubuntu1
ubuntu 20.04firefox69.0+build2-0ubuntu1
ubuntu 20.10firefox69.0+build2-0ubuntu1
ubuntu 21.04firefox69.0+build2-0ubuntu1
ubuntu 21.10firefox69.0+build2-0ubuntu1
ubuntu 22.04firefox69.0+build2-0ubuntu1
ubuntu 22.10firefox69.0+build2-0ubuntu1
ubuntu 23.04firefox69.0+build2-0ubuntu1
ubuntu 23.10firefox69.0+build2-0ubuntu1
ubuntu 24.04firefox69.0+build2-0ubuntu1

References

All 13 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.