How severe is CVE-2024-3860?

CVE-2024-3860 has a CVSS 3.x base score of 6.2, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2024-3860 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (7th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-3860?

CVE-2024-3860 affects Mozilla Firefox. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-3860?

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

Does CVE-2024-3860 have an EU (EUVD) identifier?

Yes. CVE-2024-3860 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-32428.

When was CVE-2024-3860 published?

CVE-2024-3860 was published on 2024-04-16 and last updated on 2026-06-17.

CVE-2024-3860

CVE-2024-3860 is a medium-severity vulnerability in Mozilla Firefox with a CVSS 3.x base score of 6.2. 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-401.

Key facts

Severity: Medium (CVSS 3.x base score 6.2)
EPSS exploit prediction: 0% (7th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-32428
Weakness: CWE-401
Affected product: Mozilla Firefox
Published: 2024-04-16
Last modified: 2026-06-17

Description

An out-of-memory condition during object initialization could result in an empty shape list. If the JIT subsequently traced the object it would crash. This vulnerability affects Firefox < 125.

Frequently asked questions

What is CVE-2024-3860?: An out-of-memory condition during object initialization could result in an empty shape list. If the JIT subsequently traced the object it would crash. This vulnerability affects Firefox < 125.
How severe is CVE-2024-3860?: CVE-2024-3860 has a CVSS 3.x base score of 6.2, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2024-3860 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (7th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-3860?: CVE-2024-3860 affects Mozilla Firefox. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-3860?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2024-3860 have an EU (EUVD) identifier?: Yes. CVE-2024-3860 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-32428.
When was CVE-2024-3860 published?: CVE-2024-3860 was published on 2024-04-16 and last updated on 2026-06-17.

References

Affected products (1)

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

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