Buffer overflow in Freetype
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.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.6 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.639 (99.2th percentile), scored .
High probability of exploitation in the next 30 days — patch promptly. 99th percentile — 99.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.443 · newest: 0.639 · change: +0.196
Affected products
- Freetype
- Google Chrome — versions unspecified
- NetApp Ontap Select Deploy Administration Utility
- Debian Linux — versions 10.0
- Fedoraproject Fedora — versions 31
- openSUSE Backports Sle — versions 15.0
Weakness classification (CWE)
CISA KEV (Known Exploited Vulnerabilities)
This CVE is on the CISA KEV catalog, added on . CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.
BOD 22-01 due date: .
Required action: Apply updates per vendor instructions.
Public proof-of-concept exploits
References
- crbug.com/1139963 (Exploit, Third Party Advisory, Issue Tracking)
- chromereleases.googleblog.com/2020/10/stable-channel-update-for-desktop_20.html (Third Party Advisory)
- lists.opensuse.org/opensuse-security-announce/2020-11/msg00016.html (vendor-advisory, Mailing List, Third Party Advisory, Broken Link)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory, Release Notes)
- security.gentoo.org/glsa/202011-12 (vendor-advisory, Third Party Advisory)
- seclists.org/fulldisclosure/2020/Nov/33 (mailing-list, Mailing List, Third Party Advisory, Not Applicable)
- security.gentoo.org/glsa/202012-04 (vendor-advisory, Third Party Advisory)
- www.debian.org/security/2021/dsa-4824 (vendor-advisory, Mailing List, Third Party Advisory)
- googleprojectzero.blogspot.com/p/rca-cve-2020-15999.html (Exploit, Third Party Advisory)
- security.gentoo.org/glsa/202401-19 (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-15999?
- CVE-2020-15999 is a critical-severity vulnerability in Freetype, classified under Out-of-bounds Write. CVSS score: 9.6/10. Published 2020-11-03.
- How severe is CVE-2020-15999?
- Critical severity. CVSS v3 base score is 9.6 out of 10.
- Is CVE-2020-15999 known to be exploited?
- Yes. CVE-2020-15999 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2021-11-03), indicating it is being actively exploited. 30 public proof-of-concept repositories are indexed.