CVE-2024-6601

MEDIUMNVD 4.74.7—

4.7

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.

CVSS v3: 4.7
EG Score: 4.7(medium)
EPSS: 29.4%
KEV: Not listed

Published

July 9, 2024

Last Modified

April 4, 2025

References (10)

security@mozillahttps://bugzilla.mozilla.org/show_bug.cgi?id=1890748
security@mozillahttps://www.mozilla.org/security/advisories/mfsa2024-29/
security@mozillahttps://www.mozilla.org/security/advisories/mfsa2024-30/
security@mozillahttps://www.mozilla.org/security/advisories/mfsa2024-31/
security@mozillahttps://www.mozilla.org/security/advisories/mfsa2024-32/
af854a3a-2127-422b-91ae-364da2661108https://bugzilla.mozilla.org/show_bug.cgi?id=1890748
af854a3a-2127-422b-91ae-364da2661108https://www.mozilla.org/security/advisories/mfsa2024-29/
af854a3a-2127-422b-91ae-364da2661108https://www.mozilla.org/security/advisories/mfsa2024-30/
af854a3a-2127-422b-91ae-364da2661108https://www.mozilla.org/security/advisories/mfsa2024-31/
af854a3a-2127-422b-91ae-364da2661108https://www.mozilla.org/security/advisories/mfsa2024-32/

Vendor Advisories for CVE-2024-6601(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

CVE-2024-6601
Microsoft Security Response Center (MSRC)
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.

Patch Availability(19)

Vendor / Ecosystem	Fixed in / Patch	Released	Source
ubuntu	firefox-mozsymbols (128.0+build2-0ubuntu0.20.04.1) @ focal	2026-05-23	ubuntu
ubuntu	xul-ext-lightning (1:115.13.0+build5-0ubuntu0.22.04.1) @ jammy	2026-05-23	ubuntu
redhat	thunderbird-0:115.13.0-3.el8_6	2024-07-29	redhat
redhat	thunderbird-0:115.13.0-3.el8_2	2024-07-23	redhat
redhat	thunderbird-0:115.13.0-3.el8_8	2024-07-23	redhat
redhat	firefox-0:115.13.0-3.el9_2	2024-07-22	redhat
redhat	thunderbird-0:115.13.0-3.el8_4	2024-07-22	redhat
redhat	thunderbird-0:115.13.0-3.el9_2	2024-07-22	redhat
redhat	thunderbird-0:115.13.0-3.el9_0	2024-07-18	redhat
redhat	firefox-0:115.13.0-3.el8_4	2024-07-18	redhat
redhat	thunderbird-0:115.13.0-3.el9_4	2024-07-18	redhat
redhat	firefox-0:115.13.0-3.el8_6	2024-07-18	redhat
redhat	thunderbird-0:115.13.0-3.el8_10	2024-07-18	redhat
redhat	firefox-0:115.13.0-3.el8_8	2024-07-17	redhat
redhat	firefox-0:115.13.0-3.el8_2	2024-07-17	redhat
redhat	firefox-0:115.13.0-3.el8_10	2024-07-11	redhat
redhat	firefox-0:115.13.0-3.el7_9	2024-07-11	redhat
redhat	firefox-0:115.13.0-3.el9_0	2024-07-11	redhat
redhat	firefox-0:115.13.0-3.el9_4	2024-07-11	redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-367Time-of-check Time-of-use (TOCTOU) Race Condition

Additional Vendor Advisories

(19)

Vendors that published advisories for this CVE beyond the curated set above. Broader coverage but minimal per-row detail — click through for the original advisory.

Data Freshness Timeline

(refreshed 13× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-02 20:12 UTCepss_batch
2026-06-02 20:12 UTCepss_batch
2026-06-01 13:51 UTCepss_batch
2026-06-01 13:51 UTCepss_batch
2026-06-01 13:51 UTCepss_batch
2026-05-31 22:30 UTCepss_batch
2026-05-31 22:30 UTCepss_batch
2026-05-31 00:16 UTCepss_batch
2026-05-31 00:16 UTCepss_batch
2026-05-29 13:43 UTCepss_batch
2026-05-28 13:44 UTCepss_batch
2026-05-28 13:44 UTCepss_batch
2026-05-28 13:44 UTCepss_batch
2026-05-27 13:40 UTCepss_batch
2026-05-27 13:40 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-26 07:18 UTCepss_batch

Frequently asked(5)

What is CVE-2024-6601?

CVE-2024-6601 is a medium vulnerability published on July 9, 2024. 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.

When was CVE-2024-6601 disclosed?

CVE-2024-6601 was first published in the National Vulnerability Database on July 9, 2024, with the most recent update on April 4, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2024-6601 actively exploited?

CVE-2024-6601 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 29.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

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

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

How do I remediate CVE-2024-6601?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2024-6601, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2024-6601

Published

Last Modified

References (10)

Vendor Advisories for CVE-2024-6601(1)

Patch Availability(19)

Weakness Classification(1)

Additional Vendor Advisories

Data Freshness Timeline

Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2024-6601?

Same vendor

Same CWE

CVE-2024-6601

📅 Published

🔄 Last Modified

🔗 References (10)

📣 Vendor Advisories for CVE-2024-6601(1)

Patch Availability(19)

Weakness Classification(1)

Additional Vendor Advisories

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2024-6601?

🔗 Related CVEs(same vendor + same CWE)

Same vendor

Same CWE

Published

Last Modified

References (10)

Vendor Advisories for CVE-2024-6601(1)

Frequently asked(5)

Related CVEs(same vendor + same CWE)