CVE•Published 2017-03-15•Modified 2026-05-13•1 article on news•6 live references•NVD data
CVE-2016-10166Libgd · Libgd
Vulnerability data via NVD (ingested)
CVSS v3.1
9.8
CRITICAL
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS percentile
—
Weaknesses (CWE)
Description
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.
Timeline
Published 2017-03-15
Modified 2026-05-13
External references
Search for exposed instances
Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).
Shodan · vuln tag0 hosts
vuln:CVE-2016-10166Hosts Shodan has explicitly fingerprinted as vulnerable.
Shodan · product
product:"Libgd Libgd"All exposed Libgd Libgd instances — cross-reference with the CVE's affected-version range.
Shodan · banner/body mention
http.html:"Libgd"HTTP body or banner mentions "Libgd" — catches deploys Shodan didn't identify as a product.
More intel sources (5)
Shodan report
vuln:CVE-2016-10166Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2016-10166Censys host search filtered to this CVE id.
grep.app
CVE-2016-10166Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2016-10166GitHub code search for direct mentions.
Google dork
"CVE-2016-10166" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.