CVE-2024-6612

CSP violation leakage when using devtools

State: Published
Severity: 5.3 Medium
Published: Jul 9, 2024
Updated: Oct 30, 2025
Reserved: Jul 9, 2024

Description

CSP violations generated links in the console tab of the developer tools, pointing to the violating resource. This caused a DNS prefetch which leaked that a CSP violation happened. This vulnerability affects Firefox < 128 and Thunderbird < 128.

Scores

CVSS	Score	Vector	Source
3.1	5.3 Medium	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N	CISA-ADP

Weaknesses

CWE-200 Exposure of Sensitive Information to an Unauthorized Actor

Affected Products

Product	Versions
FirefoxMozilla	before 128Affected
ThunderbirdMozilla	before 128Affected

References

https://bugzilla.mozilla.org/show_bug.cgi?id=1880374
https://www.mozilla.org/security/advisories/mfsa2024-29/
https://www.mozilla.org/security/advisories/mfsa2024-32/

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