CVE-2026-4699
HIGH
7,5
Source: [email protected]
Attack Vector: network
Attack Complexity: low
Privileges Required: none
User Interaction: none
Scope: unchanged
Confidentiality: none
Integrity: none
Availability: high
Description
AI Translation Available
Incorrect boundary conditions in the Layout: Text and Fonts component. This vulnerability affects Firefox < 149, Firefox ESR < 115.34, Firefox ESR < 140.9, Thunderbird < 149, and Thunderbird < 140.9.
EPSS (Exploit Prediction Scoring System)
Trend Analysis
EPSS (Exploit Prediction Scoring System)
Prevede la probabilità di sfruttamento basata su intelligence sulle minacce e sulle caratteristiche della vulnerabilità.
EPSS Score
0,0002
Percentile
0,0th
Updated
Single Data Point
Only one EPSS measurement is available for this CVE. Trend analysis requires multiple data points over time.
754
Improper Check for Unusual or Exceptional Conditions
IncompleteCommon Consequences
Security Scopes Affected:
Integrity
Availability
Potential Impacts:
Dos: Crash, Exit, Or Restart
Unexpected State
Applicable Platforms
All platforms may be affected
Application
Firefox by Mozilla
Version Range Affected
To
149.0
(exclusive)
CPE Identifier
View Detailed Analysis
cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application
Firefox by Mozilla
Version Range Affected
To
115.34.0
(exclusive)
CPE Identifier
View Detailed Analysis
cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application
Firefox by Mozilla
Version Range Affected
From
128.0
(inclusive)
To
140.9.0
(exclusive)
CPE Identifier
View Detailed Analysis
cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
https://bugzilla.mozilla.org/show_bug.cgi?id=2021863
https://www.mozilla.org/security/advisories/mfsa2026-20/
https://www.mozilla.org/security/advisories/mfsa2026-21/
https://www.mozilla.org/security/advisories/mfsa2026-22/
https://www.mozilla.org/security/advisories/mfsa2026-23/
https://www.mozilla.org/security/advisories/mfsa2026-24/