MEDIUM SEVERITY

CVE-2016-9317

Libgd vulnerability

CVSS
5.5
EPSS
3.6%
EPSS pct
88th
Exploited
No known
The gdImageCreate function in the GD Graphics Library (aka libgd) before 2.2.4 allows remote attackers to cause a denial of service (system hang) via an oversized image.
Affected vendor
Libgd
Affected product
Libgd
CVSS vector
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Weakness type (CWE)
  • CWE-20 — Improper Input Validation
Published
2017-01-26

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable with local access, low attack complexity, requiring no privileges, user interaction. Successful exploitation leads to high impact to availability.

Its EPSS score of 3.6% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 88% of all scored CVEs.

Check your external exposure to CVE-2016-9317

  • Confirm whether Libgd Libgd is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2016-9317.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2016-9317

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