Use After Free in Google Chrome
CVE-2021-21138
Use after free in DevTools in Google Chrome prior to 88.0.4324.96 allowed a local attacker to potentially perform a sandbox escape via a crafted file.
Vulnerability class: Use-After-Free
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.6 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.005 (41.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 42nd percentile — 41.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000
Affected products
- Google Chrome — versions unspecified
Weakness classification (CWE)
References
- chromereleases.googleblog.com/2021/01/stable-channel-update-for-desktop_19.html (Release Notes, Vendor Advisory)
- crbug.com/1122487 (Permissions Required, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-21138?
- CVE-2021-21138 is a high-severity vulnerability in Google Chrome, classified under Use After Free. CVSS score: 8.6/10. Published 2021-02-09.
- How severe is CVE-2021-21138?
- High severity. CVSS v3 base score is 8.6 out of 10.