Vulnerability Details : CVE-2024-3855
In certain cases the JIT incorrectly optimized MSubstr operations, which led to out-of-bounds reads. This vulnerability affects Firefox < 125.
Products affected by CVE-2024-3855
- cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2024-3855
0.15%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 36 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2024-3855
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
6.5
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
2.8
|
3.6
|
134c704f-9b21-4f2e-91b3-4a467353bcc0 | 2024-11-12 |
CWE ids for CVE-2024-3855
-
The product reads data past the end, or before the beginning, of the intended buffer.Assigned by: 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)
References for CVE-2024-3855
-
https://www.mozilla.org/security/advisories/mfsa2024-18/
Security Vulnerabilities fixed in Firefox 125 — MozillaVendor Advisory
-
https://bugzilla.mozilla.org/show_bug.cgi?id=1885828
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