CVE & CISA-KEV Catalog

CVE-2020-15999

CRITICALCISA KEVEPSS 99th pctl
9.6
CVSS v3
NVD

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.

CWE-787Out-of-bounds WriteCWE-120Classic Buffer Overflow

How to fix

Remediation Available
freetypeDebian
Fixed in:2.10.2+dfsg-4CVE-2020-15999
Fixed in:2.10.2+dfsg-4CVE-2020-15999
Fixed in:2.10.2+dfsg-4CVE-2020-15999
Fixed in:2.10.2+dfsg-4CVE-2020-15999
freetypeUbuntu
Fixed in:2.5.2-1ubuntu2.8+esm2USN-4593-2
Fixed in:2.6.1-0.1ubuntu2.5USN-4593-1
Fixed in:2.8.1-2ubuntu2.1USN-4593-1
Fixed in:2.10.1-2ubuntu0.1USN-4593-1
libfreetype6Ubuntu
Fixed in:2.5.2-1ubuntu2.8+esm2USN-4593-2
Fixed in:2.6.1-0.1ubuntu2.5USN-4593-1
Fixed in:2.8.1-2ubuntu2.1USN-4593-1
Fixed in:2.10.1-2ubuntu0.1USN-4593-1
Google ChromeWindows application
Affected:86.0.4240.111Fixed in:86.0.4240.111Google LLC
Google Chrome (EXE)Windows application
Affected:86.0.4240.111Fixed in:86.0.4240.111Google LLC
Google Chrome BetaWindows application
Affected:86.0.4240.111Fixed in:86.0.4240.111Google LLC
Google Chrome Beta (EXE)Windows application
Affected:86.0.4240.111Fixed in:86.0.4240.111Google LLC
Google Chrome CanaryWindows application
Affected:86.0.4240.111Fixed in:86.0.4240.111Google LLC
Google Chrome DevWindows application
Affected:86.0.4240.111Fixed in:86.0.4240.111Google LLC
Google Chrome Dev (EXE)Windows application
Affected:86.0.4240.111Fixed in:86.0.4240.111Google LLC

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionRequired
ScopeChanged

Impact

ConfidentialityHigh
IntegrityHigh
AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

Exploit Intelligence

50.63%probability of exploitation in 30 days
99thpercentile

Very high risk: more likely to be exploited than 99% of all known CVEs.

Known Exploited Vulnerability (CISA KEV)

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

Government Resource1

Related Vulnerabilities

Other CWE-787 (Out-of-bounds Write) vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2025-22457Critical9.0100%KEV + RansomFix
CVE-2025-0282Critical9.0100%KEV + Ransom-
CVE-2015-3113Critical9.8100%KEVFix
CVE-2021-20038Critical9.8100%KEV + Ransom-
CVE-2023-4863High8.8100%KEVFix
CVE-2020-16040Medium6.5100%-Fix
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This 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.