Vulnerability Details : CVE-2022-38477
Mozilla developer Nika Layzell and the Mozilla Fuzzing Team reported memory safety bugs present in Firefox 103 and Firefox ESR 102.1. 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 Firefox ESR < 102.2, Thunderbird < 102.2, and Firefox < 104.
Vulnerability category: Memory Corruption
Products affected by CVE-2022-38477
- cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2022-38477
0.17%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 54 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2022-38477
| 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
|
NIST |
CWE ids for CVE-2022-38477
-
The product writes data past the end, or before the beginning, of the intended buffer.Assigned by: nvd@nist.gov (Primary)
References for CVE-2022-38477
-
https://www.mozilla.org/security/advisories/mfsa2022-34/
Security Vulnerabilities fixed in Firefox ESR 102.2 — MozillaVendor Advisory
-
https://www.mozilla.org/security/advisories/mfsa2022-33/
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
-
https://bugzilla.mozilla.org/buglist.cgi?bug_id=1760611%2C1770219%2C1771159%2C1773363
Bug ListIssue Tracking;Not Applicable;Vendor Advisory
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