Out-of-bounds Read Affecting firefox-esr package, versions <52.9.0esr-1
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-DEBIAN14-FIREFOXESR-11742553
- published10 Aug 2025
- disclosed18 Oct 2018
Introduced: 18 Oct 2018
CVE-2018-12366 (opens in a new tab)How to fix?
Upgrade Debian:14 firefox-esr to version 52.9.0esr-1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream firefox-esr package and not the firefox-esr package as distributed by Debian.
See How to fix? for Debian:14 relevant fixed versions and status.
An invalid grid size during QCMS (color profile) transformations can result in the out-of-bounds read interpreted as a float value. This could leak private data into the output. This vulnerability affects Thunderbird < 60, Thunderbird < 52.9, Firefox ESR < 60.1, Firefox ESR < 52.9, and Firefox < 61.
References
- https://security-tracker.debian.org/tracker/CVE-2018-12366
- https://www.debian.org/security/2018/dsa-4235
- https://www.debian.org/security/2018/dsa-4244
- https://lists.debian.org/debian-lts-announce/2018/06/msg00014.html
- https://lists.debian.org/debian-lts-announce/2018/07/msg00013.html
- https://security.gentoo.org/glsa/201810-01
- https://security.gentoo.org/glsa/201811-13
- https://www.mozilla.org/security/advisories/mfsa2018-15/
- https://www.mozilla.org/security/advisories/mfsa2018-16/
- https://www.mozilla.org/security/advisories/mfsa2018-17/
- https://www.mozilla.org/security/advisories/mfsa2018-18/
- https://www.mozilla.org/security/advisories/mfsa2018-19/
- https://bugzilla.mozilla.org/show_bug.cgi?id=1464039
- https://access.redhat.com/errata/RHSA-2018:2112
- https://access.redhat.com/errata/RHSA-2018:2113
- https://access.redhat.com/errata/RHSA-2018:2251
- https://access.redhat.com/errata/RHSA-2018:2252
- http://www.securityfocus.com/bid/104560
- http://www.securitytracker.com/id/1041193
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2018-12366
- https://usn.ubuntu.com/3705-1/
- https://usn.ubuntu.com/3714-1/