THREATPORT/VULNERABILITY/CVE-2016-10166
CRITICAL SEVERITY

CVE-2016-10166

Libgd vulnerability

CVSS
9.8
EPSS
10.7%
EPSS pct
95th
Exploited
No known
Integer underflow in the _gdContributionsAlloc function in gd_interpolation.c in the GD Graphics Library (aka libgd) before 2.2.4 allows remote attackers to have unspecified impact via vectors related to decrementing the u variable.
Affected vendor
Libgd
Affected product
Libgd
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness type (CWE)
Published
2017-03-15

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, no user interaction. Successful exploitation leads to high impact to confidentiality, high impact to integrity, high impact to availability.

Its EPSS score of 10.7% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 95% of all scored CVEs.

Check your external exposure to CVE-2016-10166

  • Confirm whether Libgd Libgd is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2016-10166.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2016-10166

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2016-10166 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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