Buffer overflow in Google Chrome
CVE-2020-6556
Heap buffer overflow in SwiftShader in Google Chrome prior to 84.0.4147.135 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.
Vulnerability class: Buffer Overflow
EPSS: 0.033 (87.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
Affected products
- Google Chrome — versions unspecified
- Debian Debian_linux — versions 10.0
- Fedoraproject Fedora — versions 33
- Opensuse Leap — versions 15.1, 15.2
Weakness classification (CWE)
References
- chrome-cve-admin@google.com (Third Party Advisory, x_refsource_MISC)
- chrome-cve-admin@google.com (x_refsource_MISC, Vendor Advisory)
- chrome-cve-admin@google.com (x_refsource_FEDORA, vendor-advisory)
- chrome-cve-admin@google.com (vendor-advisory, Mailing List, Third Party Advisory, x_refsource_SUSE)
- chrome-cve-admin@google.com (vendor-advisory, Third Party Advisory, x_refsource_DEBIAN)
Frequently asked questions
- What is CVE-2020-6556?
- CVE-2020-6556 is a high-severity vulnerability in Google Chrome, classified under Out-of-bounds Write. CVSS score: 8.8/10. Published 2020-09-21.
- How severe is CVE-2020-6556?
- High severity. CVSS v3 base score is 8.8 out of 10.