Is CVE-2024-6601 in the CISA KEV catalog?

No. CVE-2024-6601 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2024-6601?

CVE-2024-6601 has a CVSS v3 base score of 4.7 (MEDIUM).

What is the EPSS score for CVE-2024-6601?

CVE-2024-6601 has an EPSS score of 0.39% (31th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2024-6601?

Upgrade firefox on debian unstable to 128.0-1 or later. Fixes are available for 20 affected products.

CVE & CISA-KEV Catalog

CVE-2024-6601

MEDIUM

4.7

CVSS v3

NVD

Description

A race condition could lead to a cross-origin container obtaining permissions of the top-level origin. This vulnerability affects Firefox < 128, Firefox ESR < 115.13, Thunderbird < 115.13, and Thunderbird < 128.

CWE-367TOCTOU Race Condition

How to fix

Remediation Available

firefoxDebian

Fixed in:128.0-1CVE-2024-6601

firefoxRed Hat / RHEL

Fixed in:0:115.13.0-3.el7_9RHSA-2024:4508

Fixed in:0:115.13.0-3.el7_9.ppc64RHSA-2024:4508

Fixed in:0:115.13.0-3.el7_9RHSA-2024:4508

Fixed in:0:115.13.0-3.el8_10RHSA-2024:4517

Fixed in:0:115.13.0-3.el8_6RHSA-2024:4634

Fixed in:0:115.13.0-3.el8_2RHSA-2024:4586

Fixed in:0:115.13.0-3.el8_6RHSA-2024:4634

Fixed in:0:115.13.0-3.el8_4RHSA-2024:4610

Fixed in:0:115.13.0-3.el8_8RHSA-2024:4590

Fixed in:0:115.13.0-3.el8_4RHSA-2024:4610

Fixed in:0:115.13.0-3.el8_6RHSA-2024:4634

Fixed in:0:115.13.0-3.el8_10RHSA-2024:4517

Fixed in:0:115.13.0-3.el8_8RHSA-2024:4590

Fixed in:0:115.13.0-3.el8_10RHSA-2024:4517

Fixed in:0:115.13.0-3.el8_6RHSA-2024:4634

Fixed in:0:115.13.0-3.el9_0RHSA-2024:4501

Fixed in:0:115.13.0-3.el9_4RHSA-2024:4500

Fixed in:0:115.13.0-3.el9_2RHSA-2024:4673

Fixed in:0:115.13.0-3.el9_4RHSA-2024:4500

Fixed in:0:115.13.0-3.el9_2RHSA-2024:4673

Fixed in:0:115.13.0-3.el9_4RHSA-2024:4500

firefoxRocky

Fixed in:0:115.13.0-3.el7_9RHSA-2024:4508

Fixed in:0:115.13.0-3.el7_9.ppc64RHSA-2024:4508

Fixed in:0:115.13.0-3.el8_6RHSA-2024:4634

Fixed in:0:115.13.0-3.el8_10RHSA-2024:4517

Fixed in:0:115.13.0-3.el8_6RHSA-2024:4634

Fixed in:0:115.13.0-3.el8_2RHSA-2024:4586

Fixed in:0:115.13.0-3.el8_10RHSA-2024:4517

Fixed in:0:115.13.0-3.el8_6RHSA-2024:4634

Fixed in:0:115.13.0-3.el8_4RHSA-2024:4610

Fixed in:0:115.13.0-3.el8_6RHSA-2024:4634

Fixed in:0:115.13.0-3.el8_4RHSA-2024:4610

Fixed in:0:115.13.0-3.el8_10RHSA-2024:4517

Fixed in:0:115.13.0-3.el8_8RHSA-2024:4590

Fixed in:0:115.13.0-3.el8_10RHSA-2024:4517

Fixed in:0:115.13.0-3.el8_8RHSA-2024:4590

Fixed in:0:115.13.0-3.el9_2RHSA-2024:4673

Fixed in:0:115.13.0-3.el9_0RHSA-2024:4501

Fixed in:0:115.13.0-3.el9_4RHSA-2024:4500

Fixed in:0:115.13.0-3.el9_0RHSA-2024:4501

Fixed in:0:115.13.0-3.el9_4RHSA-2024:4500

Fixed in:0:115.13.0-3.el9_2RHSA-2024:4673

Fixed in:0:115.13.0-3.el9_0RHSA-2024:4501

Fixed in:0:115.13.0-3.el9_2RHSA-2024:4673

firefox-debuginfoRocky

Fixed in:0:115.13.0-3.el7_9RHSA-2024:4508

Fixed in:0:115.13.0-3.el7_9.ppc64RHSA-2024:4508

Fixed in:0:115.13.0-3.el7_9RHSA-2024:4508

Fixed in:0:115.13.0-3.el8_8RHSA-2024:4590

Fixed in:0:115.13.0-3.el8_2RHSA-2024:4586

Fixed in:0:115.13.0-3.el8_4RHSA-2024:4610

Fixed in:0:115.13.0-3.el8_8RHSA-2024:4590

Fixed in:0:115.13.0-3.el8_6RHSA-2024:4634

Fixed in:0:115.13.0-3.el8_10RHSA-2024:4517

Fixed in:0:115.13.0-3.el9_2RHSA-2024:4673

Fixed in:0:115.13.0-3.el9_4RHSA-2024:4500

Fixed in:0:115.13.0-3.el9_0RHSA-2024:4501

Fixed in:0:115.13.0-3.el9_4RHSA-2024:4500

Fixed in:0:115.13.0-3.el9_2RHSA-2024:4673

Fixed in:0:115.13.0-3.el9_4RHSA-2024:4500

Fixed in:0:115.13.0-3.el9_0RHSA-2024:4501

Fixed in:0:115.13.0-3.el9_4RHSA-2024:4500

Fixed in:0:115.13.0-3.el9_0RHSA-2024:4501

Fixed in:0:115.13.0-3.el9_2RHSA-2024:4673

Fixed in:0:115.13.0-3.el9_0RHSA-2024:4501

firefox-debuginfoRed Hat / RHEL

Fixed in:0:115.13.0-3.el7_9RHSA-2024:4508

Fixed in:0:115.13.0-3.el7_9.ppc64RHSA-2024:4508

Fixed in:0:115.13.0-3.el7_9RHSA-2024:4508

Fixed in:0:115.13.0-3.el8_2RHSA-2024:4586

Fixed in:0:115.13.0-3.el8_4RHSA-2024:4610

Fixed in:0:115.13.0-3.el8_8RHSA-2024:4590

Fixed in:0:115.13.0-3.el8_6RHSA-2024:4634

Fixed in:0:115.13.0-3.el8_10RHSA-2024:4517

Fixed in:0:115.13.0-3.el9_4RHSA-2024:4500

Fixed in:0:115.13.0-3.el9_0RHSA-2024:4501

Fixed in:0:115.13.0-3.el9_4RHSA-2024:4500

Fixed in:0:115.13.0-3.el9_0RHSA-2024:4501

Fixed in:0:115.13.0-3.el9_2RHSA-2024:4673

Fixed in:0:115.13.0-3.el9_4RHSA-2024:4500

Fixed in:0:115.13.0-3.el9_2RHSA-2024:4673

Fixed in:0:115.13.0-3.el9_0RHSA-2024:4501

Fixed in:0:115.13.0-3.el9_2RHSA-2024:4673

Fixed in:0:115.13.0-3.el9_0RHSA-2024:4501

Fixed in:0:115.13.0-3.el9_2RHSA-2024:4673

firefox-debugsourceRocky

Fixed in:0:115.13.0-3.el8_6RHSA-2024:4634

Fixed in:0:115.13.0-3.el8_8RHSA-2024:4590

Fixed in:0:115.13.0-3.el8_4RHSA-2024:4610

Fixed in:0:115.13.0-3.el8_2RHSA-2024:4586

Fixed in:0:115.13.0-3.el8_10RHSA-2024:4517

Fixed in:0:115.13.0-3.el8_6RHSA-2024:4634

Fixed in:0:115.13.0-3.el9_0RHSA-2024:4501

Fixed in:0:115.13.0-3.el9_2RHSA-2024:4673

Fixed in:0:115.13.0-3.el9_0RHSA-2024:4501

Fixed in:0:115.13.0-3.el9_2RHSA-2024:4673

Fixed in:0:115.13.0-3.el9_4RHSA-2024:4500

Fixed in:0:115.13.0-3.el9_0RHSA-2024:4501

Fixed in:0:115.13.0-3.el9_4RHSA-2024:4500

Fixed in:0:115.13.0-3.el9_2RHSA-2024:4673

Fixed in:0:115.13.0-3.el9_0RHSA-2024:4501

firefox-debugsourceRed Hat / RHEL

Fixed in:0:115.13.0-3.el8_8RHSA-2024:4590

Fixed in:0:115.13.0-3.el8_4RHSA-2024:4610

Fixed in:0:115.13.0-3.el8_2RHSA-2024:4586

Fixed in:0:115.13.0-3.el8_10RHSA-2024:4517

Fixed in:0:115.13.0-3.el8_6RHSA-2024:4634

Fixed in:0:115.13.0-3.el8_8RHSA-2024:4590

Fixed in:0:115.13.0-3.el9_2RHSA-2024:4673

Fixed in:0:115.13.0-3.el9_4RHSA-2024:4500

Fixed in:0:115.13.0-3.el9_2RHSA-2024:4673

Fixed in:0:115.13.0-3.el9_0RHSA-2024:4501

Fixed in:0:115.13.0-3.el9_4RHSA-2024:4500

Fixed in:0:115.13.0-3.el9_0RHSA-2024:4501

Fixed in:0:115.13.0-3.el9_4RHSA-2024:4500

Fixed in:0:115.13.0-3.el9_0RHSA-2024:4501

Fixed in:0:115.13.0-3.el9_2RHSA-2024:4673

Fixed in:0:115.13.0-3.el9_0RHSA-2024:4501

firefox-x11Red Hat / RHEL

Fixed in:0:115.13.0-3.el9_4RHSA-2024:4500

Fixed in:0:115.13.0-3.el9_2RHSA-2024:4673

firefox-x11Rocky

Fixed in:0:115.13.0-3.el9_4RHSA-2024:4500

Fixed in:0:115.13.0-3.el9_2RHSA-2024:4673

thunderbirdRocky

Fixed in:0:115.13.0-3.el8_8RHSA-2024:4718

Fixed in:0:115.13.0-3.el8_10RHSA-2024:4635

Fixed in:0:115.13.0-3.el8_8RHSA-2024:4718

Fixed in:0:115.13.0-3.el8_6RHSA-2024:4894

Fixed in:0:115.13.0-3.el8_8RHSA-2024:4718

Fixed in:0:115.13.0-3.el8_6RHSA-2024:4894

Fixed in:0:115.13.0-3.el8_10RHSA-2024:4635

Fixed in:0:115.13.0-3.el8_2RHSA-2024:4717

Fixed in:0:115.13.0-3.el8_6RHSA-2024:4894

Fixed in:0:115.13.0-3.el8_2RHSA-2024:4717

Fixed in:0:115.13.0-3.el8_4RHSA-2024:4671

Fixed in:0:115.13.0-3.el8_6RHSA-2024:4894

Fixed in:0:115.13.0-3.el8_4RHSA-2024:4671

Fixed in:0:115.13.0-3.el8_10RHSA-2024:4635

Fixed in:0:115.13.0-3.el9_4RHSA-2024:4624

Fixed in:0:115.13.0-3.el9_0RHSA-2024:4625

Fixed in:0:115.13.0-3.el9_2RHSA-2024:4670

Fixed in:0:115.13.0-3.el9_0RHSA-2024:4625

Fixed in:0:115.13.0-3.el9_2RHSA-2024:4670

Fixed in:0:115.13.0-3.el9_0RHSA-2024:4625

Fixed in:0:115.13.0-3.el9_2RHSA-2024:4670

Fixed in:0:115.13.0-3.el9_4RHSA-2024:4624

thunderbirdRed Hat / RHEL

Fixed in:0:115.13.0-3.el8_4RHSA-2024:4671

Fixed in:0:115.13.0-3.el8_2RHSA-2024:4717

Fixed in:0:115.13.0-3.el8_6RHSA-2024:4894

Fixed in:0:115.13.0-3.el8_10RHSA-2024:4635

Fixed in:0:115.13.0-3.el8_6RHSA-2024:4894

Fixed in:0:115.13.0-3.el8_2RHSA-2024:4717

Fixed in:0:115.13.0-3.el8_10RHSA-2024:4635

Fixed in:0:115.13.0-3.el8_6RHSA-2024:4894

Fixed in:0:115.13.0-3.el8_8RHSA-2024:4718

Fixed in:0:115.13.0-3.el8_10RHSA-2024:4635

Fixed in:0:115.13.0-3.el8_6RHSA-2024:4894

Fixed in:0:115.13.0-3.el8_8RHSA-2024:4718

Fixed in:0:115.13.0-3.el8_4RHSA-2024:4671

Fixed in:0:115.13.0-3.el9_2RHSA-2024:4670

Fixed in:0:115.13.0-3.el9_4RHSA-2024:4624

Fixed in:0:115.13.0-3.el9_0RHSA-2024:4625

Fixed in:0:115.13.0-3.el9_4RHSA-2024:4624

Fixed in:0:115.13.0-3.el9_0RHSA-2024:4625

Fixed in:0:115.13.0-3.el9_4RHSA-2024:4624

Fixed in:0:115.13.0-3.el9_0RHSA-2024:4625

thunderbird-debuginfoRocky

Fixed in:0:115.13.0-3.el8_10RHSA-2024:4635

Fixed in:0:115.13.0-3.el8_6RHSA-2024:4894

Fixed in:0:115.13.0-3.el8_10RHSA-2024:4635

Fixed in:0:115.13.0-3.el8_6RHSA-2024:4894

Fixed in:0:115.13.0-3.el8_8RHSA-2024:4718

Fixed in:0:115.13.0-3.el8_4RHSA-2024:4671

Fixed in:0:115.13.0-3.el8_10RHSA-2024:4635

Fixed in:0:115.13.0-3.el8_2RHSA-2024:4717

Fixed in:0:115.13.0-3.el8_10RHSA-2024:4635

Fixed in:0:115.13.0-3.el9_4RHSA-2024:4624

Fixed in:0:115.13.0-3.el9_2RHSA-2024:4670

Fixed in:0:115.13.0-3.el9_0RHSA-2024:4625

Fixed in:0:115.13.0-3.el9_2RHSA-2024:4670

Fixed in:0:115.13.0-3.el9_0RHSA-2024:4625

thunderbird-debuginfoRed Hat / RHEL

Fixed in:0:115.13.0-3.el8_6RHSA-2024:4894

Fixed in:0:115.13.0-3.el8_8RHSA-2024:4718

Fixed in:0:115.13.0-3.el8_4RHSA-2024:4671

Fixed in:0:115.13.0-3.el8_10RHSA-2024:4635

Fixed in:0:115.13.0-3.el8_2RHSA-2024:4717

Fixed in:0:115.13.0-3.el9_0RHSA-2024:4625

Fixed in:0:115.13.0-3.el9_4RHSA-2024:4624

Fixed in:0:115.13.0-3.el9_0RHSA-2024:4625

Fixed in:0:115.13.0-3.el9_2RHSA-2024:4670

thunderbird-debugsourceRocky

Fixed in:0:115.13.0-3.el8_10RHSA-2024:4635

Fixed in:0:115.13.0-3.el8_8RHSA-2024:4718

Fixed in:0:115.13.0-3.el8_6RHSA-2024:4894

Fixed in:0:115.13.0-3.el8_4RHSA-2024:4671

Fixed in:0:115.13.0-3.el8_6RHSA-2024:4894

Fixed in:0:115.13.0-3.el8_4RHSA-2024:4671

Fixed in:0:115.13.0-3.el8_2RHSA-2024:4717

Fixed in:0:115.13.0-3.el8_10RHSA-2024:4635

Fixed in:0:115.13.0-3.el8_6RHSA-2024:4894

Fixed in:0:115.13.0-3.el9_4RHSA-2024:4624

Fixed in:0:115.13.0-3.el9_0RHSA-2024:4625

Fixed in:0:115.13.0-3.el9_4RHSA-2024:4624

Fixed in:0:115.13.0-3.el9_2RHSA-2024:4670

Fixed in:0:115.13.0-3.el9_4RHSA-2024:4624

Fixed in:0:115.13.0-3.el9_2RHSA-2024:4670

Fixed in:0:115.13.0-3.el9_0RHSA-2024:4625

Fixed in:0:115.13.0-3.el9_2RHSA-2024:4670

Fixed in:0:115.13.0-3.el9_4RHSA-2024:4624

Fixed in:0:115.13.0-3.el9_2RHSA-2024:4670

Fixed in:0:115.13.0-3.el9_0RHSA-2024:4625

thunderbird-debugsourceRed Hat / RHEL

Fixed in:0:115.13.0-3.el8_2RHSA-2024:4717

Fixed in:0:115.13.0-3.el8_4RHSA-2024:4671

Fixed in:0:115.13.0-3.el8_8RHSA-2024:4718

Fixed in:0:115.13.0-3.el8_4RHSA-2024:4671

Fixed in:0:115.13.0-3.el8_8RHSA-2024:4718

Fixed in:0:115.13.0-3.el8_6RHSA-2024:4894

Fixed in:0:115.13.0-3.el8_10RHSA-2024:4635

Fixed in:0:115.13.0-3.el8_8RHSA-2024:4718

Fixed in:0:115.13.0-3.el8_6RHSA-2024:4894

Fixed in:0:115.13.0-3.el8_10RHSA-2024:4635

Fixed in:0:115.13.0-3.el8_6RHSA-2024:4894

Fixed in:0:115.13.0-3.el8_10RHSA-2024:4635

Fixed in:0:115.13.0-3.el8_6RHSA-2024:4894

Fixed in:0:115.13.0-3.el9_2RHSA-2024:4670

Fixed in:0:115.13.0-3.el9_4RHSA-2024:4624

Fixed in:0:115.13.0-3.el9_2RHSA-2024:4670

Fixed in:0:115.13.0-3.el9_4RHSA-2024:4624

Fixed in:0:115.13.0-3.el9_2RHSA-2024:4670

Fixed in:0:115.13.0-3.el9_4RHSA-2024:4624

Fixed in:0:115.13.0-3.el9_0RHSA-2024:4625

Fixed in:0:115.13.0-3.el9_4RHSA-2024:4624

Fixed in:0:115.13.0-3.el9_0RHSA-2024:4625

firefoxUbuntu

Fixed in:128.0+build2-0ubuntu0.20.04.1USN-6890-1

thunderbirdUbuntu

Fixed in:1:115.13.0+build5-0ubuntu0.20.04.1USN-6903-1

Fixed in:1:115.13.0+build5-0ubuntu0.22.04.1USN-6903-1

DeveloperEditionWindows application

Affected:128.0Fixed in:128.0Mozilla

Mozilla Firefox (en-US)Windows application

Affected:128.0Fixed in:128.0Mozilla

Mozilla Thunderbird (en-US)Windows application

Affected:128.0Fixed in:128.0Mozilla

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 RequiredHigh

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityLow

IntegrityLow

AvailabilityLow

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

Exploit Intelligence

0.39%probability of exploitation in 30 days

31stpercentile

Low risk: more likely to be exploited than 31% of all known CVEs.

References

Vendor Advisory4

Issue Tracking1

bugzilla.mozilla.org

Related Vulnerabilities

Other CWE-367 (TOCTOU Race Condition) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2022-36980	High	8.1	83%	-	Fix
CVE-2024-30088	High	7.0	68%	KEV + Ransom	Fix
CVE-2004-0594	Medium	5.1	55%	-	Fix
CVE-2024-50379	Critical	9.8	44%	-	Fix
CVE-2023-38146	High	8.8	39%	-	Fix
CVE-2024-0132	Critical	9.0	37%	-	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 2025-04-04.