CVE-2021-29972
Severity Score
8.8
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
1
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
A use-after-free vulnerability was found via testing, and traced to an out-of-date Cairo library. Updating the library resolved the issue, and may have remediated other, unknown security vulnerabilities as well. This vulnerability affects Firefox < 90.
Se ha encontrado una vulnerabilidad de uso de memoria previamente liberada por medio de pruebas, y se ha detectado una librería Cairo desactualizada. La actualización de la biblioteca resolvió el problema, y puede haber corregido también otras vulnerabilidades de seguridad desconocidas. Esta vulnerabilidad afecta a Firefox versiones anteriores a 90
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2021-04-01 CVE Reserved
- 2021-08-05 CVE Published
- 2024-04-20 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 (3)
| URL | Tag | Source |
|---|
| URL | Date | SRC |
|---|---|---|
| https://bugzilla.mozilla.org/show_bug.cgi?id=1696816 | 2024-08-03 |
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| https://security.gentoo.org/glsa/202202-03 | 2022-03-25 | |
| https://www.mozilla.org/security/advisories/mfsa2021-28 | 2022-03-25 |