Use After Free in Google Chrome
CVE-2021-30625
Use after free in Selection API in Google Chrome prior to 93.0.4577.82 allowed a remote attacker who convinced the user the visit a malicious website to potentially exploit heap corruption via a crafted HTML page.
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: 0.101 (95.5th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 96th percentile — 95.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.101 · newest: 0.101 · change: 0.000
Affected products
- Google Chrome — versions unspecified
- Fedoraproject Fedora — versions 33, 35
Weakness classification (CWE)
References
- crbug.com/1237533 (Permissions Required, Vendor Advisory)
- chromereleases.googleblog.com/2021/09/stable-channel-update-for-desktop.html (Release Notes, 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.talosintelligence.com/vulnerability_reports/TALOS-2021-1352 (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-30625?
- CVE-2021-30625 is a high-severity vulnerability in Google Chrome, classified under Use After Free. CVSS score: 8.8/10. Published 2021-10-08.
- How severe is CVE-2021-30625?
- High severity. CVSS v3 base score is 8.8 out of 10.