VulnerabilitySecurity Week
6.5 — HIGH
Firefox Vulnerability Allows Tor User Fingerprinting
The vulnerability is tracked as CVE-2026-6770 and it has been patched with the release of Firefox 150 and Tor 15.0.10. The post Firefox Vulnerability Allows Tor User Fingerprinting appeared first on SecurityWeek.
🤖 AI BriefingAuto-generated threat analysis
🔍Threat Overview
A vulnerability in Firefox (CVE-2026-6770) allows Tor user fingerprinting, compromising user anonymity. The vulnerability was patched with the release of Firefox 150 and Tor 15.0.10.
⚙️Technical Details
CVEs
CVE-2026-6770
Affected Systems
Mozilla FirefoxMozilla Thunderbird
Attack Vectors
NETWORK
💥Impact Assessment
Severity: MEDIUM
Who Is at Risk
Users of Mozilla Firefox and Mozilla Thunderbird
🛡️Recommended Actions
1Update to the latest version of Firefox (150) and Tor (15.0.10)
2Disable IndexedDB component in Firefox until patched
3Use alternative browsers or email clients not affected by the vulnerability
📦Affected Products
Mozilla FirefoxMozilla Thunderbird
🔐NVD Verified DataVERIFIED
CVE-2026-6770 ↗CVSS 6.5 — MEDIUM
Attack Vector
NETWORK
Complexity
LOW
Vector String
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:LWeaknesses
CWE-200
Affected Products (CPE)
Mozilla FirefoxMozilla Thunderbird
Read the full article
This is a curated summary. The complete article is available at Security Week.