CVE-2020-15969

HIGHNVD 8.88.8

8.8

Use after free in WebRTC in Google Chrome prior to 86.0.4240.75 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

CVSS v3: 8.8
EG Score: 8.8(low)
EPSS: 87.2%
KEV: Not listed

Published

November 3, 2020

Last Modified

November 21, 2024

References (36)

chrome-cve-admin@googlehttp://lists.opensuse.org/opensuse-security-announce/2020-11/msg00016.html
chrome-cve-admin@googlehttp://seclists.org/fulldisclosure/2020/Dec/24
chrome-cve-admin@googlehttp://seclists.org/fulldisclosure/2020/Dec/26
chrome-cve-admin@googlehttp://seclists.org/fulldisclosure/2020/Dec/27
chrome-cve-admin@googlehttp://seclists.org/fulldisclosure/2020/Dec/29
chrome-cve-admin@googlehttp://seclists.org/fulldisclosure/2020/Dec/30
chrome-cve-admin@googlehttps://chromereleases.googleblog.com/2020/10/stable-channel-update-for-desktop.html
chrome-cve-admin@googlehttps://crbug.com/1124659
chrome-cve-admin@googlehttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/24QFL4C3AZKMFVL7LVSYMU2DNE5VVUGS/
chrome-cve-admin@googlehttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4GWCWNHTTYOH6HSFUXPGPBB6J6JYZHZE/
chrome-cve-admin@googlehttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SC3U3H6AISVZB5PLZLLNF4HMQ4UFFL7M/
chrome-cve-admin@googlehttps://security.gentoo.org/glsa/202101-30
chrome-cve-admin@googlehttps://support.apple.com/kb/HT212003
chrome-cve-admin@googlehttps://support.apple.com/kb/HT212005
chrome-cve-admin@googlehttps://support.apple.com/kb/HT212007

Patch Availability(15)

Vendor / Ecosystem	Fixed in / Patch	Released	Source
ubuntu	firefox-mozsymbols (82.0+build2-0ubuntu0.20.10.1) @ groovy	2026-05-23	ubuntu
ubuntu	firefox-mozsymbols (82.0+build2-0ubuntu0.16.04.5) @ xenial	2026-05-23	ubuntu
ubuntu	xul-ext-lightning (1:78.5.0+build3-0ubuntu0.20.10.1) @ groovy	2026-05-23	ubuntu
redhat	thunderbird-0:78.4.0-1.el8_2	2020-11-05	redhat
redhat	thunderbird-0:78.4.0-1.el8_1	2020-11-05	redhat
redhat	thunderbird-0:78.4.0-1.el8_0	2020-11-05	redhat
redhat	thunderbird-0:78.4.0-1.el6_10	2020-11-05	redhat
redhat	thunderbird-0:78.4.0-1.el8_3	2020-11-04	redhat
redhat	thunderbird-0:78.4.0-1.el7_9	2020-11-04	redhat
redhat	firefox-0:78.4.0-2.el6_10	2020-10-26	redhat
redhat	firefox-0:78.4.0-1.el8_2	2020-10-22	redhat
redhat	firefox-0:78.4.0-1.el7_9	2020-10-22	redhat
redhat	firefox-0:78.4.0-1.el8_0	2020-10-22	redhat
redhat	firefox-0:78.4.0-1.el8_1	2020-10-22	redhat
redhat	chromium-browser-0:86.0.4240.75-1.el6_10	2020-10-13	redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Weakness Classification(2)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

All Vendor Advisories

(15)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

(refreshed 13× in last 7d / 20× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

2026-06-08 14:15 UTCEPSS rescore
2026-06-08 14:15 UTCEPSS rescore
2026-06-07 15:23 UTCEPSS rescore
2026-06-07 15:23 UTCEPSS rescore
2026-06-07 14:00 UTCOSV refresh
2026-06-06 13:45 UTCEPSS rescore
2026-06-06 13:45 UTCEPSS rescore
2026-06-05 22:45 UTCEPSS rescore
2026-06-05 22:45 UTCEPSS rescore
2026-06-05 06:08 UTCEPSS rescore
2026-06-05 06:08 UTCEPSS rescore
2026-06-04 13:10 UTCEPSS rescore
2026-06-04 13:10 UTCEPSS rescore
2026-06-02 20:11 UTCEPSS rescore
2026-06-02 20:11 UTCEPSS rescore
2026-06-01 13:50 UTCEPSS rescore
2026-06-01 13:50 UTCEPSS rescore
2026-05-31 22:29 UTCEPSS rescore
2026-05-31 22:29 UTCEPSS rescore
2026-05-31 00:15 UTCEPSS rescore

Frequently asked(5)

What is CVE-2020-15969?

CVE-2020-15969 is a high vulnerability published on November 3, 2020. Use after free in WebRTC in Google Chrome prior to 86.0.4240.75 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

When was CVE-2020-15969 disclosed?

CVE-2020-15969 was first published in the National Vulnerability Database on November 3, 2020, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2020-15969 actively exploited?

CVE-2020-15969 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 87.2% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2020-15969?

CVE-2020-15969 has a CVSS v3 base score of 8.8 (NVD). The EG score is currently aggregating — additional source signals are being incorporated as they become available..

How do I remediate CVE-2020-15969?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2020-15969, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2020-15969

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CVE-2020-15969

Published

Last Modified

References (36)

Patch Availability(15)

Weakness Classification(2)

All Vendor Advisories

Data Freshness Timeline

Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2020-15969?

Same vendor

Same CWE

CVE-2020-15969

📅 Published

🔄 Last Modified

🔗 References (36)

Patch Availability(15)

Weakness Classification(2)

All Vendor Advisories

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2020-15969?

🔗 Related CVEs(same vendor + same CWE)

Same vendor

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Published

Last Modified

References (36)

Frequently asked(5)

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