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System Status: Operational
All tags
5 articles

#Firefox

All CosmicBytez Labs articles tagged #Firefox, across news, security advisories, how-to guides, and projects.

  • NewsApr 27, 2026

    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...

  • SecurityApr 27, 2026

    CVE-2026-6785: Memory Safety Bugs in Firefox and

    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...

  • SecurityApr 27, 2026

    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...

  • SecurityApr 22, 2026

    CVE-2026-6748: Critical Uninitialized Memory Flaw in

    A critical CVSS 9.8 uninitialized memory vulnerability in Firefox and Thunderbird's Audio/Video Web Codecs component allows remote code execution. Update...

  • SecurityApr 8, 2026

    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...