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Vulnerabilities / CVE-2020-12388

critical

CVE-2020-12388

Mozilla: Sandbox escape with improperly guarded Access Tokens

Published Modified CWE 20
In the Trivy database since at least 24 Oct 2026, 07:11 UTCWhen it arrived before that build is not recorded.

Severity by source

NVD10.0CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Red Hat10.0CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Trivy's own label is CRITICAL. Rated critical by NVD, Red Hat.

Description

The Firefox content processes did not sufficiently lockdown access control which could result in a sandbox escape. *Note: this issue only affects Firefox on Windows operating systems.*. This vulnerability affects Firefox ESR < 68.8 and Firefox < 76.

Affected packages and fixed versions

SourcePackageFixed in
alpine 3.11firefox-esr68.8.0-r0
alpine 3.12firefox, firefox-esr, mozjs6876.0-r0 and 1 more
alpine 3.13firefox, firefox-esr76.0-r0 and 1 more
alpine 3.14firefox, firefox-esr76.0-r0 and 1 more
alpine 3.15firefox, firefox-esr76.0-r0 and 1 more
alpine 3.16firefox, firefox-esr76.0-r0 and 1 more
alpine 3.17firefox, firefox-esr76.0-r0 and 1 more
alpine 3.18firefox, firefox-esr76.0-r0 and 1 more
alpine 3.19firefox, firefox-esr76.0-r0 and 1 more
alpine 3.20firefox, firefox-esr76.0-r0 and 1 more
alpine 3.21firefox, firefox-esr, librewolf76.0-r0 and 1 more
alpine 3.22firefox, firefox-esr, librewolf76.0-r0 and 1 more
Show all 31 entries from 15 sources
SourcePackageFixed in
alpine 3.11firefox-esr68.8.0-r0
alpine 3.12firefox76.0-r0
alpine 3.12firefox-esr68.8.0-r0
alpine 3.12mozjs6868.8.0-r0
alpine 3.13firefox76.0-r0
alpine 3.13firefox-esr68.8.0-r0
alpine 3.14firefox76.0-r0
alpine 3.14firefox-esr68.8.0-r0
alpine 3.15firefox76.0-r0
alpine 3.15firefox-esr68.8.0-r0
alpine 3.16firefox76.0-r0
alpine 3.16firefox-esr68.8.0-r0
alpine 3.17firefox76.0-r0
alpine 3.17firefox-esr68.8.0-r0
alpine 3.18firefox76.0-r0
alpine 3.18firefox-esr68.8.0-r0
alpine 3.19firefox76.0-r0
alpine 3.19firefox-esr68.8.0-r0
alpine 3.20firefox76.0-r0
alpine 3.20firefox-esr68.8.0-r0
alpine 3.21firefox76.0-r0
alpine 3.21firefox-esr68.8.0-r0
alpine 3.21librewolf76.0-r0
alpine 3.22firefox76.0-r0
alpine 3.22firefox-esr68.8.0-r0
alpine 3.22librewolf76.0-r0
alpine 3.23firefox76.0-r0
alpine 3.23firefox-esr68.8.0-r0
alpine 3.23librewolf76.0-r0
alpine 3.24librewolf76.0-r0
alpine edgelibrewolf76.0-r0

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.