CVE-2021-4128
 
Severity Score
6.5
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
1
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
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.
Al entrar y salir del modo de pantalla completa, un objeto gráfico no estaba protegido correctamente; lo que resulta en daños en la memoria y un bloqueo potencialmente explotable.<br>*Este error solo afecta a Firefox en MacOS. Otros sistemas operativos no se ven afectados.*. Esta vulnerabilidad afecta a Firefox < 95.
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2021-12-16 CVE Reserved
- 2022-12-22 CVE Published
- 2024-07-14 EPSS Updated
- 2024-08-03 CVE Updated
- 2024-08-03 First Exploit
- ---------- Exploited in Wild
- ---------- KEV Due Date
CWE
- CWE-416: Use After Free
CAPEC
References (2)
URL | Tag | Source |
---|
URL | Date | SRC |
---|---|---|
https://bugzilla.mozilla.org/show_bug.cgi?id=1735852 | 2024-08-03 |
URL | Date | SRC |
---|
URL | Date | SRC |
---|---|---|
https://www.mozilla.org/security/advisories/mfsa2021-52 | 2023-01-03 |
Affected Vendors, Products, and Versions
Vendor | Product | Version | Other | Status | ||||||
---|---|---|---|---|---|---|---|---|---|---|
Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
Mozilla Search vendor "Mozilla" | Firefox Search vendor "Mozilla" for product "Firefox" | < 95.0 Search vendor "Mozilla" for product "Firefox" and version " < 95.0" | - |
Affected
| in | Apple Search vendor "Apple" | Macos Search vendor "Apple" for product "Macos" | - | - |
Safe
|