Use After Free in Google Chrome
CVE-2020-6457
Use after free in speech recognizer in Google Chrome prior to 81.0.4044.113 allowed a remote attacker to potentially perform a sandbox escape via a crafted HTML page.
Vulnerability class: Use-After-Free
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.6 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.012 (68.0th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 68th percentile — 68.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.012 · newest: 0.012 · change: 0.000
Affected products
- Google Chrome — versions unspecified
- Debian Linux — versions 9.0, 10.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- crbug.com/1067851 (Permissions Required, Vendor Advisory)
- chromereleases.googleblog.com/2020/04/stable-channel-update-for-desktop_15.html (Release Notes, Vendor Advisory)
- www.debian.org/security/2020/dsa-4714 (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-6457?
- CVE-2020-6457 is a critical-severity vulnerability in Google Chrome, classified under Use After Free. CVSS score: 9.6/10. Published 2020-05-21.
- How severe is CVE-2020-6457?
- Critical severity. CVSS v3 base score is 9.6 out of 10.
- Is CVE-2020-6457 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.