Is CVE-2024-9936 in the CISA KEV catalog?

No. CVE-2024-9936 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2024-9936?

CVE-2024-9936 has a CVSS v3 base score of 6.5 (MEDIUM).

What is the EPSS score for CVE-2024-9936?

CVE-2024-9936 has an EPSS score of 0.26% (17th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2024-9936?

Upgrade firefox on debian unstable to 131.0.3-1 or later. Fixes are available for 4 affected products.

CVE & CISA-KEV Catalog

CVE-2024-9936

MEDIUM

6.5

CVSS v3

NVD

Description

When manipulating the selection node cache, an attacker may have been able to cause unexpected behavior, potentially leading to an exploitable crash. This vulnerability affects Firefox < 131.0.3.

CWE-362Race Condition

How to fix

Remediation Available

firefoxDebian

Fixed in:131.0.3-1CVE-2024-9936

firefoxUbuntu

Fixed in:131.0.3+build1-0ubuntu0.20.04.1USN-7078-1

DeveloperEditionWindows application

Affected:131.0.3Fixed in:131.0.3Mozilla

Mozilla Firefox (en-US)Windows application

Affected:131.0.3Fixed in:131.0.3Mozilla

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

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

Exploit Intelligence

0.26%probability of exploitation in 30 days

17thpercentile

Low risk: more likely to be exploited than 17% of all known CVEs.

References

Vendor Advisory1

mozilla.org

Issue Tracking1

bugzilla.mozilla.org

Related Vulnerabilities

Other CWE-362 (Race Condition) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2024-6387	High	8.1	100%	-	Fix
CVE-2023-36884	High	7.5	99%	KEV + Ransom	Fix
CVE-2018-15473	Medium	5.3	99%	-	Fix
CVE-2024-27983	High	8.2	87%	-	Fix
CVE-2014-0226	Medium	6.8	86%	-	Fix
CVE-2016-5195	High	7.0	84%	KEV	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-03-31.