CVE-2020-15999 (GCVE-0-2020-15999)
Vulnerability from cvelistv5 – Published: 2020-11-03 00:00 – Updated: 2025-10-21 23:35Summary
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
9.6 (Critical)
SSVC
Exploitation: active
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-02-04 14:58 UTC
CWE
- Heap buffer overflow
- CWE-120 - Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
Assigner
References
12 references
| URL | Tags |
|---|---|
| https://crbug.com/1139963 | |
| https://chromereleases.googleblog.com/2020/10/sta… | |
| http://lists.opensuse.org/opensuse-security-annou… | vendor-advisory |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisory |
| https://security.gentoo.org/glsa/202011-12 | vendor-advisory |
| http://seclists.org/fulldisclosure/2020/Nov/33 | mailing-list |
| https://security.gentoo.org/glsa/202012-04 | vendor-advisory |
| https://www.debian.org/security/2021/dsa-4824 | vendor-advisory |
| https://googleprojectzero.blogspot.com/p/rca-cve-… | |
| https://security.gentoo.org/glsa/202401-19 | vendor-advisory |
| https://security.netapp.com/advisory/ntap-2024081… | |
| https://www.cisa.gov/known-exploited-vulnerabilit… | government-resource |
Impacted products
CISA
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: f06e40b2-7270-4648-8a8f-424352444529
Exploited: Yes
Timestamps
First Seen: 2021-11-03
Asserted: 2021-11-03
Scope
Notes: KEV entry: Google Chrome FreeType Heap Buffer Overflow Vulnerability | Affected: Google / Chrome FreeType | Description: 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. | Required action: Apply updates per vendor instructions. | Due date: 2021-11-17 | Known ransomware campaign use (KEV): Unknown | Notes (KEV): https://nvd.nist.gov/vuln/detail/CVE-2020-15999
Evidence
Type: Vendor Report
Signal: Successful Exploitation
Confidence: 80%
Source: cisa-kev
Details
| Cwes | CWE-787 |
|---|---|
| Feed | CISA Known Exploited Vulnerabilities Catalog |
| Product | Chrome FreeType |
| Due Date | 2021-11-17 |
| Date Added | 2021-11-03 |
| Vendorproject | |
| Vulnerabilityname | Google Chrome FreeType Heap Buffer Overflow Vulnerability |
| Knownransomwarecampaignuse | Unknown |
References
Created: 2026-02-02 12:28 UTC
| Updated: 2026-02-06 07:17 UTC
Previdian
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: fc473179-2308-4bcd-b061-d469f62020c8
Exploited: Yes
Timestamps
First Seen: 2021-11-03
Asserted: 2021-11-03
Scope
Notes: KEVIntel entry: 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... | Affected: Google / Chrome | CVSS: 9.6 (CRITICAL) | Used in malware: unknown | Not yet in CISA KEV: False
Evidence
Type: Public Report
Signal: Successful Exploitation
Confidence: 70%
Source: kevintel
Details
| Feed | KEVIntel (kevintel.com) |
|---|---|
| Title | 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... |
| Vendor | |
| Product | Chrome |
| Added Date | 2021-11-03T00:00:00.000Z |
| Cvss Score | 9.6 |
| Epss Score | None |
| Cvss Severity | CRITICAL |
| Epss Percentile | None |
| Used In Malware | unknown |
| Ahead Of Cisa Kev | None |
| Not Yet In Cisa Kev | False |
References
Created: 2026-06-23 14:04 UTC
| Updated: 2026-07-10 06:14 UTC
{
"containers": {
"adp": [
{
"providerMetadata": {
"dateUpdated": "2024-08-12T22:02:48.152Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"tags": [
"x_transferred"
],
"url": "https://crbug.com/1139963"
},
{
"tags": [
"x_transferred"
],
"url": "https://chromereleases.googleblog.com/2020/10/stable-channel-update-for-desktop_20.html"
},
{
"name": "openSUSE-SU-2020:1829",
"tags": [
"vendor-advisory",
"x_transferred"
],
"url": "http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00016.html"
},
{
"name": "FEDORA-2020-6b35849edd",
"tags": [
"vendor-advisory",
"x_transferred"
],
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/J3QVIGAAJ4D62YEJAJJWMCCBCOQ6TVL7/"
},
{
"name": "GLSA-202011-12",
"tags": [
"vendor-advisory",
"x_transferred"
],
"url": "https://security.gentoo.org/glsa/202011-12"
},
{
"name": "20201118 TCMalloc viewer/dumper - TCMalloc Inspector Tool",
"tags": [
"mailing-list",
"x_transferred"
],
"url": "http://seclists.org/fulldisclosure/2020/Nov/33"
},
{
"name": "GLSA-202012-04",
"tags": [
"vendor-advisory",
"x_transferred"
],
"url": "https://security.gentoo.org/glsa/202012-04"
},
{
"name": "DSA-4824",
"tags": [
"vendor-advisory",
"x_transferred"
],
"url": "https://www.debian.org/security/2021/dsa-4824"
},
{
"tags": [
"x_transferred"
],
"url": "https://googleprojectzero.blogspot.com/p/rca-cve-2020-15999.html"
},
{
"name": "GLSA-202401-19",
"tags": [
"vendor-advisory",
"x_transferred"
],
"url": "https://security.gentoo.org/glsa/202401-19"
},
{
"url": "https://security.netapp.com/advisory/ntap-20240812-0001/"
}
],
"title": "CVE Program Container"
},
{
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 9.6,
"baseSeverity": "CRITICAL",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "CHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H",
"version": "3.1"
}
},
{
"other": {
"content": {
"id": "CVE-2020-15999",
"options": [
{
"Exploitation": "active"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2025-02-04T14:58:48.995301Z",
"version": "2.0.3"
},
"type": "ssvc"
}
},
{
"other": {
"content": {
"dateAdded": "2021-11-03",
"reference": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-15999"
},
"type": "kev"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-120",
"description": "CWE-120 Buffer Copy without Checking Size of Input (\u0027Classic Buffer Overflow\u0027)",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2025-10-21T23:35:33.599Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"references": [
{
"tags": [
"government-resource"
],
"url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-15999"
}
],
"timeline": [
{
"lang": "en",
"time": "2021-11-03T00:00:00.000Z",
"value": "CVE-2020-15999 added to CISA KEV"
}
],
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"product": "Chrome",
"vendor": "Google",
"versions": [
{
"lessThan": "86.0.4240.111",
"status": "affected",
"version": "unspecified",
"versionType": "custom"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "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."
}
],
"problemTypes": [
{
"descriptions": [
{
"description": "Heap buffer overflow",
"lang": "en",
"type": "text"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2024-01-15T14:06:22.266Z",
"orgId": "ebfee0ef-53dd-4cf3-9e2a-08a5bd7a7e28",
"shortName": "Chrome"
},
"references": [
{
"url": "https://crbug.com/1139963"
},
{
"url": "https://chromereleases.googleblog.com/2020/10/stable-channel-update-for-desktop_20.html"
},
{
"name": "openSUSE-SU-2020:1829",
"tags": [
"vendor-advisory"
],
"url": "http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00016.html"
},
{
"name": "FEDORA-2020-6b35849edd",
"tags": [
"vendor-advisory"
],
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/J3QVIGAAJ4D62YEJAJJWMCCBCOQ6TVL7/"
},
{
"name": "GLSA-202011-12",
"tags": [
"vendor-advisory"
],
"url": "https://security.gentoo.org/glsa/202011-12"
},
{
"name": "20201118 TCMalloc viewer/dumper - TCMalloc Inspector Tool",
"tags": [
"mailing-list"
],
"url": "http://seclists.org/fulldisclosure/2020/Nov/33"
},
{
"name": "GLSA-202012-04",
"tags": [
"vendor-advisory"
],
"url": "https://security.gentoo.org/glsa/202012-04"
},
{
"name": "DSA-4824",
"tags": [
"vendor-advisory"
],
"url": "https://www.debian.org/security/2021/dsa-4824"
},
{
"url": "https://googleprojectzero.blogspot.com/p/rca-cve-2020-15999.html"
},
{
"name": "GLSA-202401-19",
"tags": [
"vendor-advisory"
],
"url": "https://security.gentoo.org/glsa/202401-19"
}
]
}
},
"cveMetadata": {
"assignerOrgId": "ebfee0ef-53dd-4cf3-9e2a-08a5bd7a7e28",
"assignerShortName": "Chrome",
"cveId": "CVE-2020-15999",
"datePublished": "2020-11-03T00:00:00.000Z",
"dateReserved": "2020-07-27T00:00:00.000Z",
"dateUpdated": "2025-10-21T23:35:33.599Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1",
"vulnerability-lookup:meta": {
"cisa_known_exploited": {
"cveID": "CVE-2020-15999",
"cwes": [
"CWE-787"
],
"dateAdded": "2021-11-03",
"dueDate": "2021-11-17",
"forensicTriage": "No",
"knownRansomwareCampaignUse": "Unknown",
"notes": "https://nvd.nist.gov/vuln/detail/CVE-2020-15999",
"product": "Chrome FreeType",
"requiredAction": "Apply updates per vendor instructions.",
"shortDescription": "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.",
"vendorProject": "Google",
"vulnerabilityName": "Google Chrome FreeType Heap Buffer Overflow Vulnerability"
},
"epss": {
"cve": "CVE-2020-15999",
"date": "2026-09-18",
"epss": "0.44303",
"percentile": "0.98699"
},
"fkie_nvd": {
"cisaActionDue": "2021-11-17",
"cisaExploitAdd": "2021-11-03",
"cisaRequiredAction": "Apply updates per vendor instructions.",
"cisaVulnerabilityName": "Google Chrome FreeType Heap Buffer Overflow Vulnerability",
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*",
"matchCriteriaId": "7E02F065-8513-48E2-AD6F-C69A04A30732",
"versionEndExcluding": "86.0.4240.111",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
},
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:freetype:freetype:*:*:*:*:*:*:*:*",
"matchCriteriaId": "6ACB0025-9BC8-408F-AFAF-5F31D1D9AB46",
"versionEndExcluding": "2.10.4",
"versionStartIncluding": "2.6.0",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
},
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*",
"matchCriteriaId": "07B237A9-69A3-4A9C-9DA0-4E06BD37AE73",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
},
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*",
"matchCriteriaId": "80F0FA5D-8D3B-4C0E-81E2-87998286AF33",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
},
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:opensuse:backports_sle:15.0:sp2:*:*:*:*:*:*",
"matchCriteriaId": "67E82302-4B77-44F3-97B1-24C18AC4A35D",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "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."
},
{
"lang": "es",
"value": "Un desbordamiento del b\u00fafer de la pila en Freetype en Google Chrome anterior a versi\u00f3n 86.0.4240.111, permit\u00eda a un atacante remoto explotar potencialmente una corrupci\u00f3n de pila por medio de una p\u00e1gina HTML dise\u00f1ada"
}
],
"id": "CVE-2020-15999",
"lastModified": "2024-11-21T05:06:38.583",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "MEDIUM",
"cvssData": {
"accessComplexity": "MEDIUM",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 4.3,
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P",
"version": "2.0"
},
"exploitabilityScore": 8.6,
"impactScore": 2.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": true
}
],
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 6.5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
"version": "3.1"
},
"exploitabilityScore": 2.8,
"impactScore": 3.6,
"source": "nvd@nist.gov",
"type": "Primary"
}
]
},
"published": "2020-11-03T03:15:14.853",
"references": [
{
"source": "chrome-cve-admin@google.com",
"tags": [
"Broken Link",
"Mailing List",
"Third Party Advisory"
],
"url": "http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00016.html"
},
{
"source": "chrome-cve-admin@google.com",
"tags": [
"Mailing List",
"Not Applicable",
"Third Party Advisory"
],
"url": "http://seclists.org/fulldisclosure/2020/Nov/33"
},
{
"source": "chrome-cve-admin@google.com",
"tags": [
"Third Party Advisory"
],
"url": "https://chromereleases.googleblog.com/2020/10/stable-channel-update-for-desktop_20.html"
},
{
"source": "chrome-cve-admin@google.com",
"tags": [
"Exploit",
"Issue Tracking",
"Third Party Advisory"
],
"url": "https://crbug.com/1139963"
},
{
"source": "chrome-cve-admin@google.com",
"tags": [
"Exploit",
"Third Party Advisory"
],
"url": "https://googleprojectzero.blogspot.com/p/rca-cve-2020-15999.html"
},
{
"source": "chrome-cve-admin@google.com",
"tags": [
"Release Notes"
],
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/J3QVIGAAJ4D62YEJAJJWMCCBCOQ6TVL7/"
},
{
"source": "chrome-cve-admin@google.com",
"tags": [
"Third Party Advisory"
],
"url": "https://security.gentoo.org/glsa/202011-12"
},
{
"source": "chrome-cve-admin@google.com",
"tags": [
"Third Party Advisory"
],
"url": "https://security.gentoo.org/glsa/202012-04"
},
{
"source": "chrome-cve-admin@google.com",
"tags": [
"Third Party Advisory"
],
"url": "https://security.gentoo.org/glsa/202401-19"
},
{
"source": "chrome-cve-admin@google.com",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"url": "https://www.debian.org/security/2021/dsa-4824"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Broken Link",
"Mailing List",
"Third Party Advisory"
],
"url": "http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00016.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Mailing List",
"Not Applicable",
"Third Party Advisory"
],
"url": "http://seclists.org/fulldisclosure/2020/Nov/33"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Third Party Advisory"
],
"url": "https://chromereleases.googleblog.com/2020/10/stable-channel-update-for-desktop_20.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Exploit",
"Issue Tracking",
"Third Party Advisory"
],
"url": "https://crbug.com/1139963"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Exploit",
"Third Party Advisory"
],
"url": "https://googleprojectzero.blogspot.com/p/rca-cve-2020-15999.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Release Notes"
],
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/J3QVIGAAJ4D62YEJAJJWMCCBCOQ6TVL7/"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Third Party Advisory"
],
"url": "https://security.gentoo.org/glsa/202011-12"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Third Party Advisory"
],
"url": "https://security.gentoo.org/glsa/202012-04"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Third Party Advisory"
],
"url": "https://security.gentoo.org/glsa/202401-19"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://security.netapp.com/advisory/ntap-20240812-0001/"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"url": "https://www.debian.org/security/2021/dsa-4824"
}
],
"sourceIdentifier": "chrome-cve-admin@google.com",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-787"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
},
"microsoft_vex": {
"current_release_date": "2025-02-08T00:00:00.000Z",
"cve": "CVE-2020-15999",
"id": "msrc_CVE-2020-15999",
"initial_release_date": "2020-11-02T00:00:00.000Z",
"product_status:fixed": "2",
"product_status:known_affected": "2",
"source": "Microsoft CSAF VEX",
"status": "final",
"title": "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.",
"url": "https://msrc.microsoft.com/csaf/vex/2020/msrc_cve-2020-15999.json",
"version": "2"
},
"nvd": {
"cve": {
"cisaActionDue": "2021-11-17",
"cisaExploitAdd": "2021-11-03",
"cisaRequiredAction": "Apply updates per vendor instructions.",
"cisaVulnerabilityName": "Google Chrome FreeType Heap Buffer Overflow Vulnerability",
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*",
"matchCriteriaId": "7E02F065-8513-48E2-AD6F-C69A04A30732",
"versionEndExcluding": "86.0.4240.111",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
},
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:freetype:freetype:*:*:*:*:*:*:*:*",
"matchCriteriaId": "6ACB0025-9BC8-408F-AFAF-5F31D1D9AB46",
"versionEndExcluding": "2.10.4",
"versionStartIncluding": "2.6.0",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
},
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*",
"matchCriteriaId": "07B237A9-69A3-4A9C-9DA0-4E06BD37AE73",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
},
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*",
"matchCriteriaId": "80F0FA5D-8D3B-4C0E-81E2-87998286AF33",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
},
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:opensuse:backports_sle:15.0:sp2:*:*:*:*:*:*",
"matchCriteriaId": "67E82302-4B77-44F3-97B1-24C18AC4A35D",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
},
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:netapp:ontap_select_deploy_administration_utility:-:*:*:*:*:*:*:*",
"matchCriteriaId": "E7CF3019-975D-40BB-A8A4-894E62BD3797",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "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."
},
{
"lang": "es",
"value": "Un desbordamiento del b\u00fafer de la pila en Freetype en Google Chrome anterior a versi\u00f3n 86.0.4240.111, permit\u00eda a un atacante remoto explotar potencialmente una corrupci\u00f3n de pila por medio de una p\u00e1gina HTML dise\u00f1ada"
}
],
"id": "CVE-2020-15999",
"lastModified": "2025-10-24T20:57:27.670",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "MEDIUM",
"cvssData": {
"accessComplexity": "MEDIUM",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 4.3,
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P",
"version": "2.0"
},
"exploitabilityScore": 8.6,
"impactScore": 2.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": true
}
],
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 9.6,
"baseSeverity": "CRITICAL",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "CHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H",
"version": "3.1"
},
"exploitabilityScore": 2.8,
"impactScore": 6.0,
"source": "nvd@nist.gov",
"type": "Primary"
},
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 9.6,
"baseSeverity": "CRITICAL",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "CHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H",
"version": "3.1"
},
"exploitabilityScore": 2.8,
"impactScore": 6.0,
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"type": "Secondary"
}
]
},
"published": "2020-11-03T03:15:14.853",
"references": [
{
"source": "chrome-cve-admin@google.com",
"tags": [
"Broken Link",
"Mailing List",
"Third Party Advisory"
],
"url": "http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00016.html"
},
{
"source": "chrome-cve-admin@google.com",
"tags": [
"Mailing List",
"Not Applicable",
"Third Party Advisory"
],
"url": "http://seclists.org/fulldisclosure/2020/Nov/33"
},
{
"source": "chrome-cve-admin@google.com",
"tags": [
"Third Party Advisory"
],
"url": "https://chromereleases.googleblog.com/2020/10/stable-channel-update-for-desktop_20.html"
},
{
"source": "chrome-cve-admin@google.com",
"tags": [
"Exploit",
"Issue Tracking",
"Third Party Advisory"
],
"url": "https://crbug.com/1139963"
},
{
"source": "chrome-cve-admin@google.com",
"tags": [
"Exploit",
"Third Party Advisory"
],
"url": "https://googleprojectzero.blogspot.com/p/rca-cve-2020-15999.html"
},
{
"source": "chrome-cve-admin@google.com",
"tags": [
"Release Notes"
],
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/J3QVIGAAJ4D62YEJAJJWMCCBCOQ6TVL7/"
},
{
"source": "chrome-cve-admin@google.com",
"tags": [
"Third Party Advisory"
],
"url": "https://security.gentoo.org/glsa/202011-12"
},
{
"source": "chrome-cve-admin@google.com",
"tags": [
"Third Party Advisory"
],
"url": "https://security.gentoo.org/glsa/202012-04"
},
{
"source": "chrome-cve-admin@google.com",
"tags": [
"Third Party Advisory"
],
"url": "https://security.gentoo.org/glsa/202401-19"
},
{
"source": "chrome-cve-admin@google.com",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"url": "https://www.debian.org/security/2021/dsa-4824"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Broken Link",
"Mailing List",
"Third Party Advisory"
],
"url": "http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00016.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Mailing List",
"Not Applicable",
"Third Party Advisory"
],
"url": "http://seclists.org/fulldisclosure/2020/Nov/33"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Third Party Advisory"
],
"url": "https://chromereleases.googleblog.com/2020/10/stable-channel-update-for-desktop_20.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Exploit",
"Issue Tracking",
"Third Party Advisory"
],
"url": "https://crbug.com/1139963"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Exploit",
"Third Party Advisory"
],
"url": "https://googleprojectzero.blogspot.com/p/rca-cve-2020-15999.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Release Notes"
],
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/J3QVIGAAJ4D62YEJAJJWMCCBCOQ6TVL7/"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Third Party Advisory"
],
"url": "https://security.gentoo.org/glsa/202011-12"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Third Party Advisory"
],
"url": "https://security.gentoo.org/glsa/202012-04"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Third Party Advisory"
],
"url": "https://security.gentoo.org/glsa/202401-19"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Third Party Advisory"
],
"url": "https://security.netapp.com/advisory/ntap-20240812-0001/"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"url": "https://www.debian.org/security/2021/dsa-4824"
},
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"tags": [
"US Government Resource"
],
"url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-15999"
}
],
"sourceIdentifier": "chrome-cve-admin@google.com",
"vulnStatus": "Analyzed",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-787"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
},
{
"description": [
{
"lang": "en",
"value": "CWE-120"
}
],
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"type": "Secondary"
}
]
}
},
"redhat_vex": {
"aggregate_severity": "Important",
"current_release_date": "2026-06-28T07:33:18+00:00",
"cve": "CVE-2020-15999",
"id": "CVE-2020-15999",
"initial_release_date": "2020-10-19T00:00:00+00:00",
"product_status:fixed": "162",
"product_status:known_not_affected": "10",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "freetype: Heap-based buffer overflow due to integer truncation in Load_SBit_Png",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2020/cve-2020-15999.json",
"version": "3"
},
"suse_vex": {
"aggregate_severity": "important",
"current_release_date": "2026-09-02T02:30:04Z",
"cve": "CVE-2020-15999",
"id": "CVE-2020-15999",
"initial_release_date": "2023-02-15T03:56:12Z",
"product_status:known_affected": "294",
"product_status:known_not_affected": "87",
"product_status:recommended": "1084",
"source": "SUSE CSAF VEX",
"status": "interim",
"title": "SUSE CVE CVE-2020-15999",
"url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2020-15999.json",
"version": "70"
},
"vulnrichment": {
"containers": {
"adp": [
{
"providerMetadata": {
"dateUpdated": "2024-08-12T22:02:48.152Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"tags": [
"x_transferred"
],
"url": "https://crbug.com/1139963"
},
{
"tags": [
"x_transferred"
],
"url": "https://chromereleases.googleblog.com/2020/10/stable-channel-update-for-desktop_20.html"
},
{
"name": "openSUSE-SU-2020:1829",
"tags": [
"vendor-advisory",
"x_transferred"
],
"url": "http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00016.html"
},
{
"name": "FEDORA-2020-6b35849edd",
"tags": [
"vendor-advisory",
"x_transferred"
],
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/J3QVIGAAJ4D62YEJAJJWMCCBCOQ6TVL7/"
},
{
"name": "GLSA-202011-12",
"tags": [
"vendor-advisory",
"x_transferred"
],
"url": "https://security.gentoo.org/glsa/202011-12"
},
{
"name": "20201118 TCMalloc viewer/dumper - TCMalloc Inspector Tool",
"tags": [
"mailing-list",
"x_transferred"
],
"url": "http://seclists.org/fulldisclosure/2020/Nov/33"
},
{
"name": "GLSA-202012-04",
"tags": [
"vendor-advisory",
"x_transferred"
],
"url": "https://security.gentoo.org/glsa/202012-04"
},
{
"name": "DSA-4824",
"tags": [
"vendor-advisory",
"x_transferred"
],
"url": "https://www.debian.org/security/2021/dsa-4824"
},
{
"tags": [
"x_transferred"
],
"url": "https://googleprojectzero.blogspot.com/p/rca-cve-2020-15999.html"
},
{
"name": "GLSA-202401-19",
"tags": [
"vendor-advisory",
"x_transferred"
],
"url": "https://security.gentoo.org/glsa/202401-19"
},
{
"url": "https://security.netapp.com/advisory/ntap-20240812-0001/"
}
],
"title": "CVE Program Container"
},
{
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 9.6,
"baseSeverity": "CRITICAL",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "CHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H",
"version": "3.1"
}
},
{
"other": {
"content": {
"id": "CVE-2020-15999",
"options": [
{
"Exploitation": "active"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2025-02-04T14:58:48.995301Z",
"version": "2.0.3"
},
"type": "ssvc"
}
},
{
"other": {
"content": {
"dateAdded": "2021-11-03",
"reference": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-15999"
},
"type": "kev"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-120",
"description": "CWE-120 Buffer Copy without Checking Size of Input (\u0027Classic Buffer Overflow\u0027)",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2025-02-03T14:10:37.840Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"references": [
{
"tags": [
"government-resource"
],
"url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-15999"
}
],
"timeline": [
{
"lang": "en",
"time": "2021-11-03T00:00:00.000Z",
"value": "CVE-2020-15999 added to CISA KEV"
}
],
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"product": "Chrome",
"vendor": "Google",
"versions": [
{
"lessThan": "86.0.4240.111",
"status": "affected",
"version": "unspecified",
"versionType": "custom"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "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."
}
],
"problemTypes": [
{
"descriptions": [
{
"description": "Heap buffer overflow",
"lang": "en",
"type": "text"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2024-01-15T14:06:22.266Z",
"orgId": "ebfee0ef-53dd-4cf3-9e2a-08a5bd7a7e28",
"shortName": "Chrome"
},
"references": [
{
"url": "https://crbug.com/1139963"
},
{
"url": "https://chromereleases.googleblog.com/2020/10/stable-channel-update-for-desktop_20.html"
},
{
"name": "openSUSE-SU-2020:1829",
"tags": [
"vendor-advisory"
],
"url": "http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00016.html"
},
{
"name": "FEDORA-2020-6b35849edd",
"tags": [
"vendor-advisory"
],
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/J3QVIGAAJ4D62YEJAJJWMCCBCOQ6TVL7/"
},
{
"name": "GLSA-202011-12",
"tags": [
"vendor-advisory"
],
"url": "https://security.gentoo.org/glsa/202011-12"
},
{
"name": "20201118 TCMalloc viewer/dumper - TCMalloc Inspector Tool",
"tags": [
"mailing-list"
],
"url": "http://seclists.org/fulldisclosure/2020/Nov/33"
},
{
"name": "GLSA-202012-04",
"tags": [
"vendor-advisory"
],
"url": "https://security.gentoo.org/glsa/202012-04"
},
{
"name": "DSA-4824",
"tags": [
"vendor-advisory"
],
"url": "https://www.debian.org/security/2021/dsa-4824"
},
{
"url": "https://googleprojectzero.blogspot.com/p/rca-cve-2020-15999.html"
},
{
"name": "GLSA-202401-19",
"tags": [
"vendor-advisory"
],
"url": "https://security.gentoo.org/glsa/202401-19"
}
]
}
},
"cveMetadata": {
"assignerOrgId": "ebfee0ef-53dd-4cf3-9e2a-08a5bd7a7e28",
"assignerShortName": "Chrome",
"cveId": "CVE-2020-15999",
"datePublished": "2020-11-03T00:00:00.000Z",
"dateReserved": "2020-07-27T00:00:00.000Z",
"dateUpdated": "2025-10-21T23:35:33.599Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}
}
}
Loading…
Loading…
Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
Loading…
The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
Loading…
Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
Loading…