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CVE-2016-5220

22
FAUCET Score

CVE-2016-5220 describes a vulnerability in PDFium, the PDF rendering engine used by Google Chrome prior to versions 55.0.2883.75 (desktop) and 55.0.2883.84 (Android). This flaw allowed a remote attacker to read local files on a user's system by tricking them into opening a specially crafted PDF document. The vulnerability has a CVSS score of 6.5 (Medium), indicating a network-based attack with low complexity, requiring user interaction, and resulting in high confidentiality impact. While there is no evidence of active exploitation (not in KEV or Hot List) and no public exploit code (Metasploit, Nuclei, ExploitDB), the vulnerability received moderate community discussion and media coverage at the time of its disclosure.

Impacted Technologies

VendorProductVersion(s)CPE
<= 54.0.2840.99CPE matchmatch criteria
cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

6.5MEDIUM

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.12%
Probability of exploitation in next 30 days
EPSS Percentile
62.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0112 is in the 75th percentile among its peer group of 26,208 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6 SupplementaryFixed in: chromium-browser-0:55.0.2883.75-1.el6
View patch

Vendor Advisories (1)

redhatCVE-2016-5220Moderate

chromium-browser: local file access in pdfium

Dec 1, 2016

References

rhn.redhat.com / errata/RHSA-2016-2919.html
chromereleases.googleblog.com / 2016/12/stable-channel-update-for-desktop.html
crbug.com / 654279
security.gentoo.org / glsa/201612-11
securityfocus.com / bid/94633