CVE-2020-15999

Google Chrome

Published 3 Nov 2020 · updated 17 Jun 2026 · Analyzed

9.6 Critical · CVSS 3.1, NVD

Exploited in the wild

CISA added this to its Known Exploited Vulnerabilities catalog on 3 Nov 2021, with a remediation deadline of 17 Nov 2021 for US federal agencies.

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.

References

lists.opensuse.org/opensuse-security-announce/2020-11/msg00016.html · Broken Link, Mailing List, Third Party Advisory
seclists.org/fulldisclosure/2020/Nov/33 · Mailing List, Not Applicable, Third Party Advisory
chromereleases.googleblog.com/2020/10/stable-channel-update-for-desktop_20.html · Third Party Advisory
crbug.com/1139963 · Exploit, Issue Tracking, Third Party Advisory
googleprojectzero.blogspot.com/p/rca-cve-2020-15999.html · Exploit, Third Party Advisory
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/J3QVIGAAJ4D62YEJAJJWMCCBCOQ6TVL7/ · Release Notes
security.gentoo.org/glsa/202011-12 · Third Party Advisory
security.gentoo.org/glsa/202012-04 · Third Party Advisory
security.gentoo.org/glsa/202401-19 · Third Party Advisory
www.debian.org/security/2021/dsa-4824 · Mailing List, Third Party Advisory
security.netapp.com/advisory/ntap-20240812-0001/ · Third Party Advisory
www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-15999 · US Government Resource