VulnerabilityAnalyzed
CVE-2024-3856
A use-after-free could occur during WASM execution if garbage collection ran during the creation of an array.
HIGH 8.8EPSS 0.61%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.61%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
A use-after-free could occur during WASM execution if garbage collection ran during the creation of an array. This vulnerability affects Firefox < 125.
- CVSS 3.1
- 8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 0.61% probability · 47th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-416
- Affected
- mozilla/firefox
- Source
- security@mozilla.org
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=1885829Issue Tracking
- https://www.mozilla.org/security/advisories/mfsa2024-18/Vendor Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1885829Issue Tracking
- https://www.mozilla.org/security/advisories/mfsa2024-18/Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.