Not a U.S. government website. NDD is an independent vulnerability database by Volerion and is not affiliated with or endorsed by NIST or NVD.
VOLERION
Volerion Security Research

NOT DEFERRED DATABASE

VULNERABILITIES

CVE-2026-109714 Details

ANALYZED

This CVE record has been analyzed and enriched by NVDAPI.com as an independent party.

Description

Incorrect boundary conditions in the Layout component. This vulnerability was fixed in Firefox 158 and Thunderbird 158.

Metrics

CVSS 3.x Severity and Vector Strings:

NDDVolerionCVSS-B:6.3 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
CNA: CISA-ADPCVSS-B:5.4 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URLSource(s)Tag(s)
https://bugzilla.mozilla.org/show_bug.cgi?id=2069765 [email protected]Issue TrackingPermission RequiredVendor
https://www.mozilla.org/security/advisories/mfsa2026-106/ [email protected]AdvisoryBundleVendor
https://www.mozilla.org/security/advisories/mfsa2026-109/ [email protected]AdvisoryBundleVendor

Weakness Enumeration

CWE-IDCWE NameSource
CWE-119Improper Restriction of Operations within the Bounds of a Memory BufferCISA-ADP

Affected Products

ProductVersions
Mozilla Firefox
All versions

CPE

  • cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*

Remediation

  • Upgrade: 158moderate effort
Mozilla Thunderbird
All versions

CPE

  • cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*

Remediation

  • Upgrade: 158moderate effort

Change History

3 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-109714
NVD Published Date:
Oct 13, 2026
NVD Last Modified:
Oct 15, 2026
Source:
[email protected]