CVE-2021-4127
Mozilla: Angle graphics library out of date
Severity Score
9.8
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
1
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
An out of date graphics library (Angle) likely contained vulnerabilities that could potentially be exploited. This vulnerability affects Thunderbird < 78.9 and Firefox ESR < 78.9.
Una librería de gráficos desactualizada (Angle) probablemente contenía vulnerabilidades que podrían explotarse. Esta vulnerabilidad afecta a Thunderbird < 78.9 y Firefox ESR < 78.9.
The Mozilla Foundation Security Advisory describes this issue as: An out of date graphics library (Angle) likely contained vulnerabilities that could potentially be exploited.
*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
- 2021-12-16 CVE Reserved
- 2022-12-22 CVE Published
- 2024-08-03 CVE Updated
- 2024-08-03 First Exploit
- 2025-03-30 EPSS Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
CWE
- CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer
CAPEC
References (5)
| URL | Tag | Source |
|---|
| URL | Date | SRC |
|---|---|---|
| https://bugzilla.mozilla.org/show_bug.cgi?id=1691547 | 2024-08-03 |
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| https://www.mozilla.org/security/advisories/mfsa2021-11 | 2023-01-04 | |
| https://www.mozilla.org/security/advisories/mfsa2021-12 | 2023-01-04 | |
| https://access.redhat.com/security/cve/CVE-2021-4127 | 2021-03-25 | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1942784 | 2021-03-25 |
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 Esr Search vendor "Mozilla" for product "Firefox Esr" | < 78.9.0 Search vendor "Mozilla" for product "Firefox Esr" and version " < 78.9.0" | - |
Affected
| ||||||
| Mozilla Search vendor "Mozilla" | Thunderbird Search vendor "Mozilla" for product "Thunderbird" | < 78.9.0 Search vendor "Mozilla" for product "Thunderbird" and version " < 78.9.0" | - |
Affected
| ||||||