Use After Free in Google Chrome
CVE-2020-6454
Use after free in extensions in Google Chrome prior to 81.0.4044.92 allowed an attacker who convinced a user to install a malicious extension to potentially exploit heap corruption via a crafted Chrome Extension.
Vulnerability class: Use-After-Free
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.014 (72.1th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 72nd percentile — 72.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.014 · newest: 0.014 · change: 0.000
Affected products
- Google Chrome — versions unspecified
- Debian Linux — versions 9.0, 10.0
- Fedoraproject Fedora — versions 30, 31, 32
- openSUSE Backports Sle — versions 15.0
- openSUSE Leap — versions 15.1
Weakness classification (CWE)
Public proof-of-concept exploits
References
- chromereleases.googleblog.com/2020/04/stable-channel-update-for-desktop_7.html (Release Notes, Vendor Advisory)
- crbug.com/1019161 (Issue Tracking, Vendor Advisory)
- lists.opensuse.org/opensuse-security-announce/2020-04/msg00024.html (vendor-advisory, Mailing List, Third Party Advisory)
- lists.opensuse.org/opensuse-security-announce/2020-04/msg00031.html (vendor-advisory, Mailing List, Third Party Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- www.debian.org/security/2020/dsa-4714 (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-6454?
- CVE-2020-6454 is a high-severity vulnerability in Google Chrome, classified under Use After Free. CVSS score: 8.8/10. Published 2020-04-13.
- How severe is CVE-2020-6454?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2020-6454 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.