CVE-2025-13016
Incorrect boundary conditions in the JavaScript: WebAssembly component
HIGH
7.5
CVSS Score
Published: November 11, 2025 at 03:47 PM UTC
Updated: October 23, 2026 at 10:10 PM UTC
1 product affected across 1 vendorFirefox
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Severity
HIGH7.5
Exploit prediction
EPSS 0.4%
SSVC
No known exploit
Description
Incorrect boundary conditions in the JavaScript: WebAssembly component. This vulnerability affects Firefox < 145 and Firefox ESR < 140.5.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (5)
Source: cverecord
https://www.mozilla.org/security/advisories/mfsa2025-90/Source: cverecord
https://www.mozilla.org/security/advisories/mfsa2025-91/SSVC — Action Prioritization
SSVCNo known exploitNot automatableTotal impact
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
7.5HIGHCISA-ADP
- Attack Vector
- NETWORK
- Complexity
- HIGH
- Privileges
- NONE
- User Interaction
- REQUIRED
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
NVD-CWE-noinfoCWE-703
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