Vulnerability · CVE-2025-4920
Duplicate of CVE-2025-4918
Published May 17, 2025 · catalog updated May 18, 2025 · Mozilla Firefox
Check if you run it
No confirmed exploitation is on record for CVE-2025-4920. EPSS is 0.00%. Act only if a listed version of Mozilla Firefox is installed.
Gaps on this record
- No vendor fix or required action is stored. Compare the linked advisory before you change production.
- Severity
- None0.0
- Known exploitation
- Not in CISA/VulnCheck KEV
- EPSS
- 0.00%
- Remediation
- Version ranges on file
- Affected products
- vendor Mozilla Firefox unspecified <138.0.4
Duplicate of CVE-2025-4918
Are you affected?
Enter the version you run. The result uses only the ranges stored on this record.
The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.
- vendor Mozilla Firefox unspecified <138.0.4unspecified <138.0.4
How to fix CVE-2025-4920
Recommended remediation
Affected version ranges suggest a fixed boundary. Verify against the vendor advisory for your release.
Official advisories
What to do
Three questions, each answered from this record only. Confirm the vendor advisory before you patch.
Should you patch?
No confirmed exploitation is on record for CVE-2025-4920. EPSS is 0.00%. Act only if a listed version of Mozilla Firefox is installed.
Which versions are affected?
Compare what you have installed with Mozilla Firefox unspecified <138.0.4 unspecified <138.0.4. Compare the installed version with the linked vendor advisory before you change production.
What should an analyst verify?
No weakness class is stored. EPSS 0.00%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.
Code
The project this record applies to. Exploit listings stay in References.
No public source repository is identified for this product.
Timeline
Detection, updates, and resolution for this record.
May 17, 2025 · EUVD
Detected
Duplicate of CVE-2025-4918
May 18, 2025 · EUVD
Updated
Duplicate of CVE-2025-4918
Sources
- CVE.orgVulnerability recordCVE-2025-4920
Official CVE identifier
cve.org - EUVDVulnerability recordEUVD-2025-15601
Duplicate of CVE-2025-4918
euvd.enisa.europa.eu
References
Freshness
Last verified in this catalog May 18, 2025. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.