Use After Free in Google Chrome

CVE-2016-5203

A use after free in PDFium in Google Chrome prior to 55.0.2883.75 for Mac, Windows and Linux, and 55.0.2883.84 for Android allowed a remote attacker to potentially exploit heap corruption via a crafted PDF file.

Vulnerability class: Use-After-Free

EPSS: 0.011 (62.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

  • Google Chrome
  • N/a Google Chrome Prior To 55.0.2883.75 For Mac, Windows And Linux, 55.0.2883.84 Android — versions Google Chrome prior to 55.0.2883.75 for Mac, Windows and Linux, and 55.0.2883.84 for Android

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2016-5203?
CVE-2016-5203 is a high-severity vulnerability in Google Chrome, classified under Use After Free. CVSS score: 8.8/10. Published 2017-01-19.
How severe is CVE-2016-5203?
High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2016-5203 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.