How severe is CVE-2025-0244?

CVE-2025-0244 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2025-0244 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 7% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-0244?

CVE-2025-0244 affects Mozilla Firefox. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-0244?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-0244 have an EU (EUVD) identifier?

Yes. CVE-2025-0244 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-1576.

When was CVE-2025-0244 published?

CVE-2025-0244 was published on 2025-01-07 and last updated on 2026-06-17.

CVE-2025-0244

CVE-2025-0244 is a medium-severity vulnerability in Mozilla Firefox with a CVSS 3.x base score of 5.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-601.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
EPSS exploit prediction: 7% (93rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-1576
Weakness: CWE-601
Affected product: Mozilla Firefox
Published: 2025-01-07
Last modified: 2026-06-17

Description

When redirecting to an invalid protocol scheme, an attacker could spoof the address bar. *Note: This issue only affected Android operating systems. Other operating systems are unaffected.*. This vulnerability was fixed in Firefox 134.

Frequently asked questions

What is CVE-2025-0244?: When redirecting to an invalid protocol scheme, an attacker could spoof the address bar. *Note: This issue only affected Android operating systems. Other operating systems are unaffected.*. This vulnerability was fixed in Firefox 134.
How severe is CVE-2025-0244?: CVE-2025-0244 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2025-0244 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 7% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-0244?: CVE-2025-0244 affects Mozilla Firefox. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-0244?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-0244 have an EU (EUVD) identifier?: Yes. CVE-2025-0244 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-1576.
When was CVE-2025-0244 published?: CVE-2025-0244 was published on 2025-01-07 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*

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