#Mozilla
All CosmicBytez Labs articles tagged #Mozilla, across news, security advisories, how-to guides, and projects.
- News
Firefox Vulnerability Allows Tor User Fingerprinting Across
A high-severity Firefox vulnerability (CVE-2026-6770) exploits the internal ordering of IndexedDB database names to generate a stable 44-bit fingerprint...
- Security
CVE-2026-6785: Memory Safety Bugs in Firefox and Thunderbird Enable Arbitrary Code Execution
A CVSS 8.1 high-severity collection of memory safety bugs affects Firefox 149, Firefox ESR 140.9, Firefox ESR 115.34, Thunderbird 149, and Thunderbird ESR...
- Security
CVE-2026-6786: Memory Safety Bugs in Firefox and Thunderbird
Multiple memory safety bugs in Firefox 149, Firefox ESR 140.9, Thunderbird 149, and Thunderbird ESR 140.9 carry a CVSS 8.1 High rating. Some bugs show...
- Security
CVE-2026-6748: Critical Uninitialized Memory Flaw in Firefox and Thunderbird Web Codecs
A critical CVSS 9.8 uninitialized memory vulnerability in Firefox and Thunderbird's Audio/Video Web Codecs component allows remote code execution. Update...
- Security
CVE-2026-5731: Firefox and Thunderbird Critical Memory
Mozilla has patched critical memory safety bugs in Firefox, Firefox ESR, and Thunderbird that showed evidence of memory corruption. Exploiting these flaws...