Buffer overflow in Google Chrome

CVE-2017-15398

A stack buffer overflow in the QUIC networking stack in Google Chrome prior to 62.0.3202.89 allowed a remote attacker to gain code execution via a malicious server.

Vulnerability class: Buffer Overflow

EPSS: 0.038 (89.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2017-15398?
CVE-2017-15398 is a critical-severity vulnerability in Google Chrome, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 9.8/10. Published 2018-08-28.
How severe is CVE-2017-15398?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2017-15398 known to be exploited?
5 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.