CVE-2016-5767

HIGHNVD 8.88.8—
EchelonGraph scoreMEDIUM confidence

Score 8.8 from GitHub Security Advisory (severity: HIGH) published 2022-05-14. NVD baseline CVSS 8.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
8.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 6.7%CVSS: 8.8Exploit: None knownExposed services: Not assessed

A fix is available — apply it.

Integer overflow in the gdImageCreate function in gd.c in the GD Graphics Library (aka libgd) before 2.0.34RC1, as used in PHP before 5.5.37, 5.6.x before 5.6.23, and 7.x before 7.0.8, allows remote attackers to cause a denial of service (heap-based buffer overflow and application crash) or possibly have unspecified other impact via a crafted image dimensions.

CVSS v3
8.8
EG Score
8.8HIGHmedium confidence
EG Risk
47
EG Risk 47/100CISA SSVC

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity88% × 45%
Exploitation7% × 40%
Automatability30% × 15%
CISA SSVC: Track at low or medium mission impact; Track or Attend at high (mission-essential systems).
Action: A fix is available. Apply it within your standard update timelines at low or medium mission impact and sooner than that at high.
EPSS PROB
6.7%
EPSS %ILE
93rd
KEV
Not listed

CISA SSVCTrack at low or medium mission impact; Track or Attend at high (mission-essential systems).

A fix is available. Apply it within your standard update timelines at low or medium mission impact and sooner than that at high.

Exploitation none (no KEV listing, exploit record or EPSS ≥ 50%) · Automatable unknown (not published for this CVE) · Technical impact partial (CVSS below 9.0). Mission impact is CISA's Mission & Well-being decision point, and only you can judge it: high means the affected system is essential to your organisation's mission, or its compromise could cause irreversible harm to people. CISA's decision table

Published

August 7, 2016

Last Modified

June 17, 2026

Advisory Details (7)

Auto-updated May 10, 2026
Patch available.
generic
http://www.securityfocus.com/bid/91395
generic

oss-security - Re: CVE for PHP 5.5.37 issues

http://www.openwall.com/lists/oss-security/2016/06/23/4
generic
http://rhn.redhat.com/errata/RHSA-2016-2750.html
generic
http://rhn.redhat.com/errata/RHSA-2016-2598.html
generic

PHP: PHP 7 ChangeLog

http://php.net/ChangeLog-7.php
generic

PHP: PHP 5 ChangeLog

http://php.net/ChangeLog-5.php
generic

iFixed bug #72446 - Integer Overflow in gdImagePaletteToTrueColor() r… · php/php-src@c395c6e · GitHub

http://github.com/php/php-src/commit/c395c6e5d7e8df37a21265ff76e48fe75ceb5ae6?w=1

Vendor Advisories for CVE-2016-5767(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Patch Availability(2)

Vendor / EcosystemFix (by version range) / PatchReleasedSource
redhatrh-php56-php-pear-1:1.9.5-4.el72016-11-15redhat
redhatphp-0:5.4.16-42.el72016-11-03redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Affected Packages

(5 across 5 ecosystems)
Alpine:v3.4(1)
PackageVulnerable rangeFix by version rangeDependents
gd—
  • every version up to 2.2.2-r0: fixed in 2.2.2-r0
—
Debian:11(1)
PackageVulnerable rangeFix by version rangeDependents
libgd2—
  • every version up to 2.0.34~rc1-1: fixed in 2.0.34~rc1-1
—
Debian:12(1)
PackageVulnerable rangeFix by version rangeDependents
libgd2—
  • every version up to 2.0.34~rc1-1: fixed in 2.0.34~rc1-1
—
Debian:13(1)
PackageVulnerable rangeFix by version rangeDependents
libgd2—
  • every version up to 2.0.34~rc1-1: fixed in 2.0.34~rc1-1
—
Debian:14(1)
PackageVulnerable rangeFix by version rangeDependents
libgd2—
  • every version up to 2.0.34~rc1-1: fixed in 2.0.34~rc1-1
—

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Additional Vendor Advisories

(1)

Vendors that published advisories for this CVE beyond the curated set above. Broader coverage but minimal per-row detail — click through for the original advisory.

Data Freshness Timeline

(refreshed 5× in last 7d / 24× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 155 total refreshes for this CVE.

  1. 2026-10-05 17:38 UTCEPSS rescore
  2. 2026-10-03 14:21 UTCEPSS rescore
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  34. 2026-07-23 01:23 UTCEG score recompute
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  75. 2026-06-23 21:30 UTCEPSS rescore

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Frequently asked(5)

What is CVE-2016-5767?
CVE-2016-5767 is a high vulnerability published on August 7, 2016. Integer overflow in the gdImageCreate function in gd.c in the GD Graphics Library (aka libgd) before 2.0.34RC1, as used in PHP before 5.5.37, 5.6.x before 5.6.23, and 7.x before 7.0.8, allows remote attackers to cause a denial of service (heap-based buffer overflow and application crash) or…
When was CVE-2016-5767 disclosed?
CVE-2016-5767 was first published on August 7, 2016, with the most recent update on June 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2016-5767 actively exploited?
CVE-2016-5767 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 6.7% probability of exploitation in the next 30 days (93rd percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2016-5767?
CVE-2016-5767 has a CVSS v3 base score of 8.8 (NVD).
How do I remediate CVE-2016-5767?
A fix for CVE-2016-5767 is available: update to the fixed version the vendor names in its advisory. The vendor advisories EchelonGraph has for CVE-2016-5767 are linked in the Vendor Advisories panel on this page.

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