CVE-2021-4128

Published: Dic 22, 2022 Last Modified: Apr 16, 2025 EU-VD ID: EUVD-2021-34002 Aliases: GSD-2021-4128
ExploitDB:
Other exploit source:
Google Dorks:
MEDIUM 6,5
Attack Vector: network
Attack Complexity: low
Privileges Required: none
User Interaction: required
Scope: unchanged
Confidentiality: none
Integrity: none
Availability: high

Description

AI Translation Available

When transitioning in and out of fullscreen mode, a graphics object was not correctly protected; resulting in memory corruption and a potentially exploitable crash.<br>*This bug only affects Firefox on MacOS. Other operating systems are unaffected.*. This vulnerability affects Firefox < 95.

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
0,0035
Percentile
0,6th
Updated

EPSS Score Trend (Last 90 Days)

416

Use After Free

Stable
Common Consequences
Security Scopes Affected:
Integrity Availability Confidentiality
Potential Impacts:
Modify Memory Dos: Crash, Exit, Or Restart Execute Unauthorized Code Or Commands
Applicable Platforms
Languages: C, C++, Memory-Unsafe
View CWE Details
Application

Firefox by Mozilla

Version Range Affected
To 95.0 (exclusive)
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
https://bugzilla.mozilla.org/show_bug.cgi?id=1735852
Exploit Issue Tracking Patch Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1735852
https://www.mozilla.org/security/advisories/mfsa2021-52/
https://bugzilla.mozilla.org/show_bug.cgi?id=1735852
Exploit Issue Tracking Patch Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1735852
https://www.mozilla.org/security/advisories/mfsa2021-52/