6.5

CVE-2025-0246: mozilla firefox

CVSS: 6.5v3.1MediumModified
AliasesCGA-fcqh-rmf3-3v44CGA-w8r7-g3p6-xwq2CGA-m98h-j2x8-h9q9
Published 07-01-2025Last modified 13-04-2026
Open JSON

Vulnerability summary

CVE-2025-0246 is a medium (CVSS 6.5) vulnerability in mozilla firefox. EPSS estimates a 0.45% chance of exploitation in the next 30 days, higher than 37.6% of scored vulnerabilities.

Overall risk
26/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.5/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.45%
0%100%
Low · +0.01 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 2 · Related 5
OPENSUSE-SU-2025:14630-1OPENSUSE-SU-2026:11373-1CGA-35JJ-H9G9-F5CFCGA-G275-GJHP-4C87UBUNTU-CVE-2025-0246

Timeline

  1. 07-01-2025
    PublishedVulnerability first disclosed.
  2. 13-04-2026
    Last modifiedVulnerability information updated.

Description

When using an invalid protocol scheme, an attacker could spoof the address bar. *Note: This issue only affected Android operating systems. Other operating systems are unaffected.* *Note: This issue is a different issue from CVE-2025-0244. This vulnerability was fixed in Firefox 134.

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.45%

Chance of exploitation in the next 30 days

Percentile

38%

Versus all other CVEs

30-day change

+0.01 pp

From 0.44% on 18-09-2026

18-09-202618-10-2026
EPSS score
0.45%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Chainguard2 products
  • firefox< 134.0-r0
  • firefox-esr< 134-r0
Mozilla1 product
Wolfi1 product
  • firefox< 134.0-r0

3 vendors · 4 products

References

2 links