Vulnerability in Google Chrome
CVE-2021-21218
Uninitialized data in PDFium in Google Chrome prior to 90.0.4430.72 allowed a remote attacker to obtain potentially sensitive information from process memory via a crafted PDF file.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.013 (70.1th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 70th percentile — 70.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.013 · newest: 0.013 · change: 0.000
Affected products
- Google Chrome — versions unspecified
- Debian Linux — versions 10.0
- Fedoraproject Fedora — versions 32, 33, 34
Weakness classification (CWE)
Public proof-of-concept exploits
References
- chromereleases.googleblog.com/2021/04/stable-channel-update-for-desktop_14.html (Third Party Advisory, Release Notes)
- crbug.com/1166478 (Third Party Advisory)
- www.debian.org/security/2021/dsa-4906 (vendor-advisory, Third Party Advisory)
- security.gentoo.org/glsa/202104-08 (vendor-advisory, 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)
Frequently asked questions
- What is CVE-2021-21218?
- CVE-2021-21218 is a medium-severity vulnerability in Google Chrome, classified under Use of Uninitialized Resource. CVSS score: 5.5/10. Published 2021-04-26.
- How severe is CVE-2021-21218?
- Medium severity. CVSS v3 base score is 5.5 out of 10.
- Is CVE-2021-21218 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.