CVE-2020-6407: google chrome Out-of-bounds Write
Vulnerability summary
CVE-2020-6407 is a high (CVSS 8.8) Out-of-bounds Write vulnerability in google chrome. EPSS estimates a 1.78% chance of exploitation in the next 30 days, higher than 78.3% of scored vulnerabilities.
Not severe (CVSS 8.8, network access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 7 · Related 4Timeline
- 27-02-2020PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
Out of bounds memory access in streams in Google Chrome prior to 80.0.3987.122 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.
CVSS metrics
4 scores · 3 sources · 2 versions- OSV · UbuntuEcosystem advisory · calculated8.8HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated8.8HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS trend
Probability
1.78%
Chance of exploitation in the next 30 days
Percentile
78%
Versus all other CVEs
30-day change
No change 0.00 pp
From 1.78% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, no authentication, user interaction (CVSS vector). Other conditions: not stated in public data.
Debian1 product
- chromium< 80.0.3987.122-1
Google1 product
- chrome≥ unspecified, < 80.0.3987.122 | < 80.0.3987.122
Ubuntu1 product
- chromium-browser< 80.0.3987.149-0ubuntu0.16.04.1 | < 80.0.3987.149-0ubuntu0.18.04.1
3 vendors · 3 products
References
10 links- chromereleases.googleblog.com/2020/02/stable-channel-update-for-desktop_24.htmlX Refsource MISCRelease NotesVendor Advisory