VulnerabilityModified
CVE-2025-13016
This vulnerability was fixed in Firefox 145, Firefox ESR 140.5, Thunderbird 145, and Thunderbird 140.5.
HIGH 7.5EPSS 0.44%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.44%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
Incorrect boundary conditions in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 145, Firefox ESR 140.5, Thunderbird 145, and Thunderbird 140.5.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 0.44% probability · 37th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-703
- Affected
- mozilla/firefox
- Source
- security@mozilla.org
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=1992130Permissions Required
- https://www.mozilla.org/security/advisories/mfsa2025-87/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2025-88/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2025-90/
- https://www.mozilla.org/security/advisories/mfsa2025-91/
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.