CVE-2021-30632 — Google Chromium V8 Out-of-Bounds Write Vulnerability

CVE-2021-30632 (Google Chromium V8) is in the CISA Known Exploited Vulnerabilities catalog since 2021-11-03. Google Chromium V8 Engine contains an out-of-bounds write vulnerability that allows a remote attacker to… See the required fix, due date and advisories.

Exploitation status

CVE-2021-30632 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added 2021-11-03. Google Chromium V8 Engine contains an out-of-bounds write vulnerability that allows a remote attacker to potentially exploit heap corruption via a crafted HTML page. This vulnerability could affect multiple web browsers that utilize Chromium, including, but not limited to, Google Chrome, Microsoft Edge, and Opera.

Advisory facts

Vendor or project
Google
Affected product
Chromium V8
Added to CISA KEV
2021-11-03
US federal remediation due date
2021-11-17
Ransomware association
Unknown
EPSS score
—
Weakness (CWE)
CWE-122

Remediation: the required action

Apply updates per vendor instructions.

Wording published by CISA for this catalog entry. It is the baseline action, not a decision about your environment: whether this exposure matters for you depends on where the affected component runs, what it is exposed to and who owns it.

From advisory to a decision you can defend

A catalog entry tells you a vulnerability is being exploited somewhere. It does not tell you whether it matters in your estate, who owns the fix, or what evidence an auditor will ask for later. That is the work VulnTrek does: it takes findings from the tools you already run, decides which exposure actually matters, routes it to an owner, keeps remediation human-approved and retains the lineage as evidence.

Sourced from public upstream advisories (CISA KEV, ENISA EUVD, vendor PSIRTs) mirrored daily. Informational only — not a remediation decision, not legal advice, and the absence of a record is not evidence of safety.