VulnerabilityAnalyzed
CVE-2024-6601
A race condition could lead to a cross-origin container obtaining permissions of the top-level origin.
MEDIUM 4.7EPSS 0.39%
Does this matter?
Lower severity and a low EPSS score (0.39%). Track it; it rarely justifies an emergency change on its own.
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.
- CVSS 3.1
- 4.7 MEDIUMCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L
- EPSS
- 0.39% probability · 33th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-367
- Affected
- mozilla/firefox · mozilla/thunderbird
- Source
- security@mozilla.org
EPSS 0.4% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=1890748Issue Tracking
- https://www.mozilla.org/security/advisories/mfsa2024-29/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2024-30/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2024-31/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2024-32/Vendor Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1890748Issue Tracking
- https://www.mozilla.org/security/advisories/mfsa2024-29/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2024-30/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2024-31/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2024-32/Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.