Use after free in audio in Google Chrome prior to 80.0.3987.149 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.
CVE-2020-6449
HIGHNVD 8.88.8—
EchelonGraph scoreMEDIUM confidence
Score 8.8 from GitHub Security Advisory (severity: HIGH) published 2022-05-24. NVD baseline CVSS 8.8; sources differ by 0.0.
Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
8.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
- High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 2.7%CVSS: 8.8Exploit: None knownExposed services: —
A fix is available — apply it.
Internet exposure
The internet-exposure footprint is temporarily unavailable — the KEV-Exposure radar's record for this CVE could not be loaded just now. That is not a finding of zero exposed services; please retry shortly.
- CVSS v3
- 8.8
- EG Score
- 8.8HIGHmedium confidence
- EG Risk
- 45EG Risk 45/100CISA SSVC
EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).
How it’s computedSeverity88% × 45%Exploitation3% × 40%Automatability30% × 15%CISA SSVC: Track at low or medium mission impact; Track or Attend at high (mission-essential systems).Action: A fix is available. Apply it within your standard update timelines at low or medium mission impact and sooner than that at high. - EPSS PROB
- 2.7%
- EPSS %ILE
- 85th
- KEV
- Not listed
CISA SSVCTrack at low or medium mission impact; Track or Attend at high (mission-essential systems).
A fix is available. Apply it within your standard update timelines at low or medium mission impact and sooner than that at high.
Exploitation none (no KEV listing, exploit record or EPSS ≥ 50%) · Automatable unknown (not published for this CVE) · Technical impact partial (CVSS below 9.0). Mission impact is CISA's Mission & Well-being decision point, and only you can judge it: high means the affected system is essential to your organisation's mission, or its compromise could cause irreversible harm to people. CISA's decision table
Published
March 23, 2020
Last Modified
November 21, 2024
Advisory Details (1)
8.8
HIGH
2020-03-23 16:15:17.657+00
Affected: [{"url": "http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00028.html", "tags": ["Mailing List", "Third Party Advisory"], "source": "[email protected]"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00037.html", "tags": ["Mailing List", "Third Party Advisory"], "source": "[email protected]"}, {"url": "http://packetstormsecurity.com/files/172843/Chrome-WebAudio-Use-After-Free.html", "source": "[email protected]"}, {"url": "https://chromereleases.googleblog.com/2020/03/stable-channel-update-for-desktop_18.html", "tags": ["Vendor Advisory"], "source": "[email protected]"}, {"url": "https://crbug.com/1059686", "tags": ["Exploit", "Issue Tracking", "Patch", "Third Party Advisory"], "source": "[email protected]"}, {"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2DDNOAGIX5D77TTHT6YPMVJ5WTXTCQEI/", "source": "[email protected]"}, {"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6IOHSO6BUKC6I66J5PZOMAGFVJ66ZS57/", "source": "[email protected]"}, {"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JWANFIR3PYAL5RJQ4AO3ZS2DYMSF2ZGZ/", "source": "[email protected]"}, {"url": "https://security.gentoo.org/glsa/202003-53", "tags": ["Third Party Advisory"], "source": "[email protected]"}, {"url": "https://www.debian.org/security/2020/dsa-4645", "tags": ["Third Party Advisory"], "source": "[email protected]"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00028.html", "tags": ["Mailing List", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00037.html", "tags": ["Mailing List", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://packetstormsecurity.com/files/172843/Chrome-WebAudio-Use-After-Free.html", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://chromereleases.googleblog.com/2020/03/stable-channel-update-for-desktop_18.html", "tags": ["Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://crbug.com/1059686", "tags": ["Exploit", "Issue Tracking", "Patch", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2DDNOAGIX5D77TTHT6YPMVJ5WTXTCQEI/", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6IOHSO6BUKC6I66J5PZOMAGFVJ66ZS57/", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JWANFIR3PYAL5RJQ4AO3ZS2DYMSF2ZGZ/", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://security.gentoo.org/glsa/202003-53", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://www.debian.org/security/2020/dsa-4645", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}]
Use after free in audio in Google Chrome prior to 80.0.3987.149 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.Vendor Advisories for CVE-2020-6449
Vendor advisories for this CVE are temporarily unavailable — the list could not be loaded just now. That is not a sign that none exist; please retry shortly.
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Related CVEs
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Frequently asked(5)
What is CVE-2020-6449?
CVE-2020-6449 is a high vulnerability published on March 23, 2020. Use after free in audio in Google Chrome prior to 80.0.3987.149 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.
When was CVE-2020-6449 disclosed?
CVE-2020-6449 was first published on March 23, 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-2020-6449 actively exploited?
CVE-2020-6449 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 2.7% probability of exploitation in the next 30 days (85th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2020-6449?
CVE-2020-6449 has a CVSS v3 base score of 8.8 (NVD).
How do I remediate CVE-2020-6449?
A fix for CVE-2020-6449 is available: update to the fixed version the vendor names in its advisory.
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2020-6449
Is Your Infrastructure Affected by CVE-2020-6449?
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