CVE-2024-6611

Incorrect handling of SameSite cookies

Published Jul 9, 2024 CVSS 3.1 · 9.8 Critical EPSS < 1% KEV · Not listed
Description
A nested iframe, triggering a cross-site navigation, could send SameSite=Strict or Lax cookies. This vulnerability affects Firefox < 128 and Thunderbird < 128.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Ubuntu USN Ubuntu USN USN-6890-1 Firefox vulnerabilities
History
Type Values Removed Values Added
Title Incorrect handling of SameSite cookies
Type Values Removed Values Added
First Time appeared Mozilla thunderbird
CPEs cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*
Vendors & Products Mozilla thunderbird
Type Values Removed Values Added
Weaknesses CWE-1275
Type Values Removed Values Added
Weaknesses CWE-1275
Type Values Removed Values Added
First Time appeared Mozilla
Mozilla firefox
CPEs cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
Vendors & Products Mozilla
Mozilla firefox
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
mozilla
Published
Updated
Oct 30, 2025, 4:15 PM
Reserved
Jul 9, 2024, 2:12 PM
Status
Analyzed
Published
Jul 9, 2024, 3:15 PM
Modified
Jun 17, 2026, 8:18 AM