peter bassill · operator
$ cve CVE-2021-21148 JSON

CVE-2021-21148 KEV

8.8
HIGH · CVSS 3.1 · EPSS 20% (pctl 97)

Patch first

On CISA KEV — known exploited in the wild, due 2021-11-17.

Description

Heap buffer overflow in V8 in Google Chrome prior to 88.0.4324.150 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

Scoring

CVSS8.8 (HIGH, v3.1)
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS19.97% — more likely to be exploited than 97% of all CVEs
WeaknessCWE-787
On CISA KEVyes — remediate by 2021-11-17
Public exploitnone known
Published2021-02-09
Last modified2026-06-17

CISA KEV

NameGoogle Chromium V8 Heap Buffer Overflow Vulnerability
Added2021-11-03
Due2021-11-17
Vendor / productGoogle / Chromium V8
Ransomware usenone reported

Affected (3)

VendorProduct
debiandebian linux
fedoraprojectfedora
googlechrome

References

→ the Explorer  ·  watch your stack  ·  NVD