THREATPORT/VULNERABILITY/CVE-2016-7568
CRITICAL SEVERITY

CVE-2016-7568

Libgd vulnerability

CVSS
9.8
EPSS
5.1%
EPSS pct
91th
Exploited
No known
Integer overflow in the gdImageWebpCtx function in gd_webp.c in the GD Graphics Library (aka libgd) through 2.2.3, as used in PHP through 7.0.11, allows remote attackers to cause a denial of service (heap-based buffer overflow) or possibly have unspecified other impact via crafted imagewebp and imagedestroy calls.
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)
  • CWE-190 — Integer Overflow or Wraparound
Published
2016-09-28

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 5.1% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 91% of all scored CVEs.

Check your external exposure to CVE-2016-7568

  • Confirm whether Libgd Libgd is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2016-7568.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2016-7568

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2016-7568 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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