CVE-2025-13024

Mozilla Firefox vulnerability

9.8 CRITICALEPSS 0.36%

Published11 Nov 2025

Description

JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 145 and Thunderbird 145.

CVSS 3.1 breakdown

Attack vectorNetwork

Attack complexityLow

Privileges requiredNone

User interactionNone

ScopeUnchanged

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

Mozilla Firefox< 145.0

Remediation

Fixed in

Mozilla Firefox≥ 145.0

Patch & vendor advisories

https://www.mozilla.org/security/advisories/mfsa2025-87/

References

https://bugzilla.mozilla.org/show_bug.cgi?id=1992902Permissions Required
https://www.mozilla.org/security/advisories/mfsa2025-87/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2025-90/

Related CVEs

Recent high-severity vulnerabilities sharing a weakness type.

Frequently asked

Is CVE-2025-13024 being actively exploited?

CVE-2025-13024 is not in the CISA KEV catalog. Its EPSS exploit probability is 0.36%.

How severe is CVE-2025-13024?

CVE-2025-13024 has a CVSS 3.1 base score of 9.8, rated critical. EPSS estimates a 0.36% probability of exploitation.

Which products are affected by CVE-2025-13024?

Affected products include Mozilla Firefox.

How do I fix CVE-2025-13024?

Upgrade affected software to a fixed version, for example Mozilla Firefox 145.0 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2025-13024 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.