CVE-2021-38495
 
Severity Score
8.8
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
0
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
Mozilla developers reported memory safety bugs present in Thunderbird 78.13.0. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Thunderbird < 91.1 and Firefox ESR < 91.1.
Los desarrolladores de Mozilla informaron de bugs de seguridad de memoria presentes en Thunderbird versión 78.13.0. Algunos de estos bugs mostraban evidencias de corrupción de memoria y suponemos que con suficiente esfuerzo algunos de ellos podrían haber sido explotados para ejecutar código arbitrario. Esta vulnerabilidad afecta a Thunderbird versiones anteriores a 91.1 y a Firefox ESR versiones anteriores a 91.1
*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
- 2021-08-10 CVE Reserved
- 2021-11-03 CVE Published
- 2024-07-19 EPSS Updated
- 2024-08-04 CVE Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-787: Out-of-bounds Write
CAPEC
References (5)
URL | Tag | Source |
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URL | Date | SRC |
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URL | Date | SRC |
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URL | Date | SRC |
---|---|---|
https://bugzilla.mozilla.org/buglist.cgi?bug_id=1723391%2C1723920%2C1724101%2C1724107 | 2022-12-09 | |
https://security.gentoo.org/glsa/202202-03 | 2022-12-09 | |
https://security.gentoo.org/glsa/202208-14 | 2022-12-09 | |
https://www.mozilla.org/security/advisories/mfsa2021-40 | 2022-12-09 | |
https://www.mozilla.org/security/advisories/mfsa2021-41 | 2022-12-09 |
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" | < 91.1 Search vendor "Mozilla" for product "Firefox Esr" and version " < 91.1" | - |
Affected
| ||||||
Mozilla Search vendor "Mozilla" | Thunderbird Search vendor "Mozilla" for product "Thunderbird" | < 91.1 Search vendor "Mozilla" for product "Thunderbird" and version " < 91.1" | - |
Affected
|