Buffer overflow in Google Chrome

CVE-2018-18342

Execution of user supplied Javascript during object deserialization can update object length leading to an out of bounds write in V8 in Google Chrome prior to 71.0.3578.80 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page.

Vulnerability class: Buffer Overflow

EPSS: 0.027 (84.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2018-18342?
CVE-2018-18342 is a high-severity vulnerability in Google Chrome, classified under Out-of-bounds Write. CVSS score: 8.8/10. Published 2018-12-11.
How severe is CVE-2018-18342?
High severity. CVSS v3 base score is 8.8 out of 10.