CVE-2022-40958 - CVE House
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Status published Unknown CVE-2022-40958

By injecting a cookie with certain special characters, an attacker...

Vulnerability Description

By injecting a cookie with certain special characters, an attacker on a shared subdomain which is not a secure context could set and thus overwrite cookies from a secure context, leading to session fixation and other attacks. This vulnerability affects Firefox ESR < 102.3, Thunderbird < 102.3, and Firefox < 105.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

Affected Vendor

Affected Software

Firefox ESR, Thunderbird, Firefox
Vulnerable Versions:
unspecified

Timeline

Official Publish: December 22nd, 2022
Last Modified: April 15th, 2025
Added to House: July 21st, 2026

CVSS Vectors

No vector data available

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.