CVE-2020-6820 — Mozilla Firefox And Thunderbird Use-After-Free Vulnerability

Kurzinfo

Metadaten

  • Original (extern): Link oeffnen
  • Veroeffentlicht: 2021-11-03 00:00 UTC
  • Importiert: 2026-10-20 22:46 UTC
  • CVSS: 8.1
  • Quelle-ID: cisa_kev
  • uid_hash: 3e4024d6bc8dd7d4d5d5113196cbe79221eb92198d408b0d770087cca4484409

Inhalt

Vendor / Project: Mozilla Product: Firefox and Thunderbird Description: Mozilla Firefox and Thunderbird contain a race condition vulnerability when handling a ReadableStream under certain conditions. The race condition creates a use-after-free vulnerability, causing unspecified impacts. Required Action: Apply updates per vendor instructions. Due Date: 2022-05-03 Ransomware Campaign Use: Unknown CWEs: CWE-362 Notes: https://nvd.nist.gov/vuln/detail/CVE-2020-6820

Verknuepfte CVEs

CVE-ID Severity (Quelle) CVSS (Quelle) Severity (CVE.org) CVSS (CVE.org) EPSS EPSS-Pctl Veroeffentlicht (CVE.org)

CVE-2020-6820

HIGH

8.1

HIGH

8.1

2020-04-24

Quellen-Details

Bezeichnung Name Kategorie Tags Zielgruppe Sprache Feed-URL
CISA – Known Exploited Vulnerabilities (KEV)

cisa_kev

threat_intel cisa, kev - de https://raw.githubusercontent.com/cisagov/kev-data/develop/known_exploited_vulnerabilities.json