CVE-2021-38003: Google Chromium V8 Memory Corruption Vulnerability

CISA Known Exploited Vulnerability (KEV)

Description

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.

Required action (CISA)

Apply updates per vendor instructions.

Notes

https://nvd.nist.gov/vuln/detail/CVE-2021-38003

Weakness behind it

CISA records this vulnerability as an instance of CWE-122, CWE-755. From there the chain continues into CAPEC attack patterns and ATT&CK techniques, all inside this corpus.

References

• NVD: https://nvd.nist.gov/vuln/detail/CVE-2021-38003
• KEV catalog: https://www.cisa.gov/known-exploited-vulnerabilities-catalog