Risk Letters

Exploited vulnerability

CVE-2021-38003

TLP:CLEAR

Google Chromium V8 Memory Corruption Vulnerability

Google Chromium V8 Engine has a bug in JSON.stringify, where the internal TheHole value can leak to script code, causing memory corruption. This vulnerability could affect multiple web browsers that utilize Chromium, including, but not limited to, Google Chrome, Microsoft Edge, and Opera.

Facts

  • Vendor: Google
  • Product: Chromium V8
  • CVSS: 8.8
  • EPSS (probability of exploitation within 30 days): 38.6 %
  • On CISA's Known Exploited Vulnerabilities list since: 3 November 2021
  • First known exploitation: 3 November 2021
  • CISA's deadline for US federal agencies: 17 November 2021
  • Weakness: CWE-122
  • First seen by Risk Letters: 3 November 2021

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Data: NVD (public domain), CISA KEV, FIRST EPSS, MITRE ATT&CK, AlienVault OTX. NVD