CVE-2024-4778

Mozilla Firefox vulnerability

9.8 CRITICALEPSS 0.44%

Published14 May 2024

Description

Memory safety bugs present in Firefox 125. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 126.

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< 126.0

Remediation

Fixed in

Mozilla Firefox≥ 126.0

Frequently asked

Is CVE-2024-4778 being actively exploited?

CVE-2024-4778 is not in the CISA KEV catalog. Its EPSS exploit probability is 0.44%.

How severe is CVE-2024-4778?

CVE-2024-4778 has a CVSS 3.1 base score of 9.8, rated critical. EPSS estimates a 0.44% probability of exploitation.

Which products are affected by CVE-2024-4778?

Affected products include Mozilla Firefox.

How do I fix CVE-2024-4778?

Upgrade affected software to a fixed version, for example Mozilla Firefox 126.0 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2024-4778 against the real software inventory on every managed device, as each hourly inventory arrives. 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.

See how prioritisation works Book a demo

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