CVE-2020-15994: Use after free in V8 in Google Chrome prior to 86.0.4240.99 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

PriorityP278high8.8CVSS 3.1

AVNACLPRNUIRSUCHIHAH

ITWVulnCheck KEV

Exploited in the wild

EPSS

13.07%

95.9th percentile

Use after free in V8 in Google Chrome prior to 86.0.4240.99 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

Affected

4 ranges

Vendor	Product	Version range	Fixed in
debian	chromium	—	—
google	chrome	< 86.0.4240.99	86.0.4240.99
google	chrome	>= unspecified < 86.0.4240.99	86.0.4240.99
google	chrome_chrome	—	—

Detection & IOCsextracted from sources · hover to see the quote

→Vulnerability is triggered via a crafted HTML page delivered remotely, targeting the V8 JavaScript engine's use-after-free condition in Google Chrome prior to 86.0.4240.99 ↗
→Severity is rated High; prioritize detection and patching on Chrome for Android deployments as this was specifically called out in the Android update advisory ↗

·Vulnerability is fixed in Chrome 86.0.4240.99 and later; any Chrome instance reporting a version prior to this is unpatched and exploitable ↗
·Debian distributions (bookworm, bullseye, forky, sid, trixie) have all resolved this CVE; scope is listed as local in the Debian tracker, which may affect risk scoring in those environments ↗

CVSS provenance

nvdv3.18.8HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

nvdv2.06.8MEDIUMAV:N/AC:M/Au:N/C:P/I:P/A:P

vulncheck8.8HIGH

vendor_debian8.8LOW

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