HOMEVULNERABILITIESCVE-2016-3074
CRITICALPOC

CVE-2016-3074

CWE-681Published: April 26, 2016· Updated: Jun 17, 2026

9.8
CVSS v3.1

Official Description

Integer signedness error in GD Graphics Library 2.1.1 (aka libgd or libgd2) allows remote attackers to cause a denial of service (crash) or potentially execute arbitrary code via crafted compressed gd2 data, which triggers a heap-based buffer overflow.

NVD Source

Technical Analysis

CVE-2016-3074 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.

A proof-of-concept (PoC) exploit exists for CVE-2016-3074. While not yet confirmed in active campaigns, the availability of PoC code increases exploitation risk substantially.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

Canonical1 product(s)
ubuntu linux
Debian1 product(s)
debian linux
Fedora1 product(s)
fedora
libgd1 product(s)
libgd
openSUSE1 product(s)
opensuse
PHP1 product(s)
php
Source: NVD CPE · 11 total CPE entries

Exploit & PoC Resources

POC AVAILABLEProof-of-concept code exists
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

All References (36)

Quick Facts

CVE IDCVE-2016-3074
CVSS Score9.8 / 10
SeverityCRITICAL
WeaknessCWE-681
CISA KEVNo
ExploitPOC
Affected6 vendor(s)
PublishedApr 26, 2016

Related CVEs (CWE-681)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2016-3074 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.