CISA KEV catalog
Confirmed active exploitation.
Listed in CISA's catalog of Known Exploited Vulnerabilities: attackers are using it in real attacks. Patch it with priority.
- Name
- Google Chrome FreeType Heap Buffer Overflow Vulnerability
- Added to catalog
- Remediation due date (US federal)
- Required action
- Apply updates per vendor instructions.
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.
Affected products
google: chrome; freetype: freetype; debian: debian linux; fedoraproject: fedora; opensuse: backports sle; netapp: ontap select deploy administration utility
References10
- crbug.com/1139963 ExploitIssue TrackingThird Party Advisory
- googleprojectzero.blogspot.com/p/rca-cve-2020-15999.html ExploitThird Party Advisory
- crbug.com/1139963 ExploitIssue TrackingThird Party Advisory
- googleprojectzero.blogspot.com/p/rca-cve-2020-15999.html ExploitThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2020-11/msg00016.… Broken LinkMailing ListThird Party Advisory
- seclists.org/fulldisclosure/2020/Nov/33 Mailing ListNot ApplicableThird Party Advisory
- chromereleases.googleblog.com/2020/10/stable-channel-update-for… Third Party Advisory
- lists.fedoraproject.org/archives/list/package-announce%40lists.… Release Notes
- security.gentoo.org/glsa/202011-12 Third Party Advisory
- security.gentoo.org/glsa/202012-04 Third Party Advisory
Metrics
- CVSS 3.1
-
9.6
CRITICAL
Score source: NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H - EPSS — exploit probability
- 64% percentile: 99 · as of 11 November 2026
- CWE
- CWE-787CWE-120
Could this be exploited in your environment?
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