CVE-2020-15999
CRITICALCVSS 9.6/10Actively ExploitedEPSS 50.63%
Last modified
CVE-2020-15999 is a critical-severity vulnerability rated 9.6/10 on the CVSS scale. 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.. CISA has confirmed active exploitation in the wild. EPSS estimates a 50.63% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
Exploitation Status
This vulnerability is listed in CISA’s Known Exploited Vulnerabilities catalog, confirming active exploitation in the wild. Federal agencies must remediate by .
Weakness Enumeration
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Chrome | < 86.0.4240.111 | — | |
| Freetype | Freetype | >= 2.6.0, < 2.10.4 | — |
| Debian | Debian Linux | 10.0 | — |
| Fedoraproject | Fedora | 31 | — |
| Opensuse | Backports Sle | 15.0 | Sp2 |
| Netapp | Ontap Select Deploy Administration Utility | All versions | — |
References
- http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00016.htmlBroken Link, Mailing List, Third Party Advisory
- http://seclists.org/fulldisclosure/2020/Nov/33Mailing List, Not Applicable, Third Party Advisory
- https://crbug.com/1139963Exploit, Issue Tracking, Third Party Advisory
- https://googleprojectzero.blogspot.com/p/rca-cve-2020-15999.htmlExploit, Third Party Advisory
- https://security.gentoo.org/glsa/202011-12Third Party Advisory
- https://security.gentoo.org/glsa/202012-04Third Party Advisory
- https://security.gentoo.org/glsa/202401-19Third Party Advisory
- https://www.debian.org/security/2021/dsa-4824Mailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00016.htmlBroken Link, Mailing List, Third Party Advisory
- http://seclists.org/fulldisclosure/2020/Nov/33Mailing List, Not Applicable, Third Party Advisory
- https://crbug.com/1139963Exploit, Issue Tracking, Third Party Advisory
- https://googleprojectzero.blogspot.com/p/rca-cve-2020-15999.htmlExploit, Third Party Advisory
- https://security.gentoo.org/glsa/202011-12Third Party Advisory
- https://security.gentoo.org/glsa/202012-04Third Party Advisory
- https://security.gentoo.org/glsa/202401-19Third Party Advisory
- https://security.netapp.com/advisory/ntap-20240812-0001/Third Party Advisory
- https://www.debian.org/security/2021/dsa-4824Mailing List, Third Party Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-15999US Government Resource
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2020-15999?
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.
How severe is CVE-2020-15999?
CVE-2020-15999 has a CVSS score of 9.6/10 (CRITICAL severity). The EPSS model estimates a 50.63% probability of exploitation in the next 30 days. This vulnerability is listed in CISA's Known Exploited Vulnerabilities catalog.
How do I fix CVE-2020-15999?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2020-15999?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST