SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityAnalyzed

CVE-2020-15999

Google Chrome FreeType Heap Buffer Overflow Vulnerability

KEVCRITICAL 9.6EPSS 44.3%

Does this matter?

Known to be exploited in the wild (CISA KEV, CISA remediation deadline 17 November 2021). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.

Description

Heap buffer overflow in Freetype in Google Chrome prior to 86.0.4240.111 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

CVSS 3.1
9.6 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
EPSS
44.30% probability · 99th percentile
CISA KEV
Listed 3 November 2021 · due 17 November 2021
Weakness
CWE-787, CWE-120
Affected
google/chrome · freetype/freetype · debian/debian linux · fedoraproject/fedora · opensuse/backports sle · netapp/ontap select deploy administration utility
Source
chrome-cve-admin@google.com

CISA notes

Apply updates per vendor instructions. https://nvd.nist.gov/vuln/detail/CVE-2020-15999

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.