Vulnerability Details : CVE-2022-38478
Members the Mozilla Fuzzing Team reported memory safety bugs present in Firefox 103, Firefox ESR 102.1, and Firefox ESR 91.12. 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 < 102.2, Thunderbird < 91.13, Firefox ESR < 91.13, Firefox ESR < 102.2, and Firefox < 104.
Vulnerability category: Memory Corruption
Products affected by CVE-2022-38478
- cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2022-38478
0.33%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 53 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2022-38478
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
8.8
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
2.8
|
5.9
|
134c704f-9b21-4f2e-91b3-4a467353bcc0 | 2025-04-15 |
8.8
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
2.8
|
5.9
|
NIST |
CWE ids for CVE-2022-38478
-
The product writes data past the end, or before the beginning, of the intended buffer.Assigned by:
- 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)
- nvd@nist.gov (Primary)
References for CVE-2022-38478
-
https://www.mozilla.org/security/advisories/mfsa2022-34/
Security Vulnerabilities fixed in Firefox ESR 102.2 — MozillaVendor Advisory
-
https://www.mozilla.org/security/advisories/mfsa2022-37/
Security Vulnerabilities fixed in Thunderbird 91.13 — MozillaVendor Advisory
-
https://bugzilla.mozilla.org/buglist.cgi?bug_id=1770630%2C1776658
Bug ListIssue Tracking;Not Applicable;Vendor Advisory
-
https://www.mozilla.org/security/advisories/mfsa2022-35/
Security Vulnerabilities fixed in Firefox ESR 91.13 — MozillaVendor Advisory
-
https://www.mozilla.org/security/advisories/mfsa2022-33/
Security Vulnerabilities fixed in Firefox 104 — MozillaVendor Advisory
-
https://www.mozilla.org/security/advisories/mfsa2022-36/
Security Vulnerabilities fixed in Thunderbird 102.2 — MozillaVendor Advisory
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