CVE-2020-15999
CRITICALCISA KEVEPSS 99th pctlDescription
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 v3 Vector
Exploitability
Impact
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
Exploit Intelligence
Very high risk: more likely to be exploited than 99% of all known CVEs.
Google Chrome FreeType Heap Buffer Overflow Vulnerability
Google Chrome uses FreeType, an open-source software library to render fonts, which contains a heap buffer overflow vulnerability in the function Load_SBit_Png when processing PNG images embedded into fonts. This vulnerability is part of an exploit chain with CVE-2020-17087 on Windows and CVE-2020-16010 on Android.
Apply updates per vendor instructions.
Remediation due: 2021-11-17
References
- http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00016.html
- http://seclists.org/fulldisclosure/2020/Nov/33
- https://chromereleases.googleblog.com/2020/10/stable-channel-update-for-desktop_20.html
- https://crbug.com/1139963
- https://googleprojectzero.blogspot.com/p/rca-cve-2020-15999.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/J3QVIGAAJ4D62YEJAJJWMCCBCOQ6TVL7/
- https://security.gentoo.org/glsa/202011-12
- https://security.gentoo.org/glsa/202012-04
- https://security.gentoo.org/glsa/202401-19
- https://www.debian.org/security/2021/dsa-4824
- https://security.netapp.com/advisory/ntap-20240812-0001/
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-15999
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Start freeThis product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-10-24.