Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2016-5116

29
FAUCET Score

CVE-2016-5116 is a critical vulnerability in the GD Graphics Library (libgd) prior to version 2.2.0, specifically impacting custom PHP 5.5.x configurations, Debian, and openSUSE. This flaw allows unauthenticated attackers to trigger a stack-based buffer under-read via a long name, leading to information disclosure from process memory or a denial of service (application crash). Despite its CVSS score of 9.1 (Critical), indicating a high potential for impact with low attack complexity, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
<= 2.2.1CPE matchmatch criteria
cpe:2.3:a:libgd:libgd:*:*:*:*:*:*:*:*
42.1CPE matchmatch criteria
cpe:2.3:o:opensuse:leap:42.1:*:*:*:*:*:*:*
8.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

9.1CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.2
CvssVersion
3.0

Exploit Intelligence

EPSS Score
3.81%
Probability of exploitation in next 30 days
EPSS Percentile
88.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0381 is in the 82nd percentile among its peer group of 36,835 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

github_advisorypatch availablevia nvd_reference
View patch

Vendor Advisories (1)

redhatCVE-2016-5116Moderate

gd: Information leak due to stack overflow in gdCtxPrintf

May 29, 2016

References

lists.opensuse.org / opensuse-updates/2016-09/msg00078.html
Third Party Advisory
github.com / libgd/libgd/commit/4dc1a2d7931017d3625f2d7cff70a17ce58b53b4
Issue TrackingPatchThird Party Advisory
github.com / libgd/libgd/issues/211
Issue TrackingThird Party Advisory
debian.org / security/2016/dsa-3619
Third Party Advisory
openwall.com / lists/oss-security/2016/05/29/5
Mailing List
ubuntu.com / usn/USN-3030-1