CVE-2020-6455: debian debian_linux Out-of-bounds Read
CVSS: 8.8v3.1HighModified
AliasesUBUNTU-CVE-2020-6455DEBIAN-CVE-2020-6455
Published 13-04-2020Last modified 04-08-2024
Vulnerability summary
CVE-2020-6455 is a high (CVSS 8.8) Out-of-bounds Read vulnerability in debian debian_linux. EPSS estimates a 2.03% chance of exploitation in the next 30 days, higher than 80.7% of scored vulnerabilities.
CVSS score
8.8/10
010
High · v3.1 (NVD)EPSS score
2.03%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 7 · Related 4Timeline
- 13-04-2020PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
Out of bounds read in WebSQL in Google Chrome prior to 81.0.4044.92 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.
CVSS metrics
4 scores · 3 sources · 2 versionsHigh 8.8Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HSourcesAll 3 agree
- 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
Medium 6.8Preferred score · NVD (NIST)
AV:N/AC:M/Au:N/C:P/I:P/A:PSourcesSingle source
EPSS trend
Probability
2.03%
Chance of exploitation in the next 30 days
Percentile
81%
Versus all other CVEs
30-day change
0.00 pp
From 2.03% on 19-09-2026
19-09-202619-10-2026
EPSS score2.03%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Debian2 products
- chromium< 81.0.4044.92-1
- debian_linuxEOL9.0 | 10.0
Fedoraproject1 product
- fedoraEOL30 | 31 | 32
Google1 product
- chrome≥ unspecified, < 81.0.4044.92 | < 81.0.4044.92
Ubuntu1 product
- chromium-browser< 81.0.4044.122-0ubuntu0.16.04.1 | < 81.0.4044.122-0ubuntu0.18.04.1
5 vendors · 7 products
References
11 links- chromereleases.googleblog.com/2020/04/stable-channel-update-for-desktop_7.htmlX Refsource MISCRelease NotesVendor Advisory
- lists.opensuse.org/opensuse-security-announce/2020-04/msg00024.htmlVendor AdvisoryX Refsource SUSEThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2020-04/msg00031.htmlVendor AdvisoryX Refsource SUSEThird Party Advisory
