CVE-2020-6505: google chrome Use After Free
CVSS: 9.6v3.1CriticalModified
AliasesUBUNTU-CVE-2020-6505DEBIAN-CVE-2020-6505
Published 22-07-2020Last modified 04-08-2024
Vulnerability summary
CVE-2020-6505 is a critical (CVSS 9.6) Use After Free vulnerability in google chrome. EPSS estimates a 0.98% chance of exploitation in the next 30 days, higher than 61.6% of scored vulnerabilities.
CVSS score
9.6/10
010
Critical · v3.1 (NVD)EPSS score
0.98%
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 5Timeline
- 22-07-2020PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
Use after free in speech in Google Chrome prior to 83.0.4103.106 allowed a remote attacker to potentially perform a sandbox escape via a crafted HTML page.
CVSS metrics
4 scores · 3 sources · 2 versionsCritical 9.6Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:HSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated9.6CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated9.6CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/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
0.98%
Chance of exploitation in the next 30 days
Percentile
62%
Versus all other CVEs
30-day change
0.00 pp
From 0.98% on 20-09-2026
20-09-202620-10-2026
EPSS score0.98%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Debian1 product
- chromium< 83.0.4103.106-1
Google1 product
- chrome≥ unspecified, < 83.0.4103.106 | < 83.0.4103.106
Ubuntu1 product
- chromium-browser< 84.0.4147.105-0ubuntu0.16.04.1 | < 84.0.4147.105-0ubuntu0.18.04.1
3 vendors · 3 products
References
6 links- chromereleases.googleblog.com/2020/06/stable-channel-update-for-desktop_15.htmlX Refsource MISCVendor Advisory