How severe is CVE-2020-15999?

CVE-2020-15999 has a CVSS 3.1 base score of 9.6 (CRITICAL). EPSS estimates a 44.3% probability of exploitation in the next 30 days. It is listed in the CISA Known Exploited Vulnerabilities catalog.

CVE-2020-15999: Google Chrome FreeType Heap Buffer Overflow

CISA Known Exploited Vulnerabilities

Google Chrome FreeType Heap Buffer Overflow Vulnerability is confirmed as actively exploited and is listed in the CISA KEV catalog.

Added to KEV

2021-11-03

Remediation due

2021-11-17

Required action
Apply updates per vendor instructions.

CISA notes
https://nvd.nist.gov/vuln/detail/CVE-2020-15999

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.

Severity

CVSS 3.1 · CISA9.6 CRITICAL

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

SSVC · CISA-ADP

Exploitationactive

Automatableno

Technical impactpartial

Affected Products

Vendor	Product	Affected versions
Google	Chrome	unspecified to <86.0.4240.111

References

11 Links

Vendor advisories

Mailing lists

20201118 TCMalloc viewer/dumper - TCMalloc Inspector Tool

Other references

Record Details

Published

2020-11-03

Last updated

2025-10-21

Assigner (CNA)

Chrome

Credited to

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CVE record data © The MITRE Corporation, used under the CVE Terms of Use. Exploited-in-the-wild data from the CISA Known Exploited Vulnerabilities catalog (CC0). Exploit prediction scores by FIRST EPSS (first.org/epss). This site is not endorsed or certified by MITRE, NVD, CISA, or FIRST.