CVE-2016-3074

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2022-05-14. NVD baseline CVSS 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Elevated
9.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 37%CVSS: 9.8Exploit: NoneExposed: 0

A fix is available — apply it.

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.

CVSS v3
9.8
EG Score
9.8(medium)
EG Risk
65(Track*)
EG Risk 65/100SSVC: Track*

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
Severity98% × 45%
Exploitation40% × 40%
Automatability30% × 15%
Action: Watch closely — could escalate to Attend.
EPSS
98.4%
KEV
Not listed

Published

April 26, 2016

Last Modified

May 6, 2026

Advisory Details (6)

Auto-updated May 8, 2026
No patch confirmed yet.
generic
http://www.securityfocus.com/bid/87087
generic
http://www.securityfocus.com/archive/1/538160/100/0/threaded
generic

[SECURITY] [DSA 3602-1] php5 security update

http://www.debian.org/security/2016/dsa-3602
generic

[SECURITY] [DSA 3556-1] libgd2 security update

http://www.debian.org/security/2016/dsa-3556
generic

Full Disclosure: CVE-2016-3074: libgd: signedness vulnerability

http://seclists.org/fulldisclosure/2016/Apr/72
generic
http://rhn.redhat.com/errata/RHSA-2016-2750.html

Vendor Advisories for CVE-2016-3074(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 / EcosystemFixed in / PatchReleasedSource
ubuntulibgd2-xpm (2.0.36~rc1~dfsg-6ubuntu2.1) @ precise2026-05-20ubuntu
redhatrh-php56-php-pear-1:1.9.5-4.el72016-11-15redhat

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.

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 11× in last 7d / 33× 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.

  1. 2026-07-23 01:22 UTCEG score recompute
  2. 2026-07-22 22:02 UTCEG score recompute
  3. 2026-07-22 14:04 UTCEPSS rescore
  4. 2026-07-21 15:21 UTCEPSS rescore
  5. 2026-07-21 15:21 UTCEPSS rescore
  6. 2026-07-20 17:03 UTCEPSS rescore
  7. 2026-07-19 14:27 UTCEPSS rescore
  8. 2026-07-18 10:00 UTCEPSS rescore
  9. 2026-07-18 10:00 UTCEPSS rescore
  10. 2026-07-16 16:59 UTCEPSS rescore
  11. 2026-07-16 16:59 UTCEPSS rescore
  12. 2026-07-15 16:54 UTCEPSS rescore
  13. 2026-07-15 16:54 UTCEPSS rescore
  14. 2026-07-13 22:26 UTCEPSS rescore
  15. 2026-07-13 06:09 UTCEPSS rescore
  16. 2026-07-12 05:43 UTCEPSS rescore
  17. 2026-07-12 05:43 UTCEPSS rescore
  18. 2026-07-11 08:23 UTCEPSS rescore
  19. 2026-07-09 19:05 UTCEPSS rescore
  20. 2026-07-08 15:10 UTCEPSS rescore
  21. 2026-07-08 12:27 UTCOSV refresh
  22. 2026-07-06 16:24 UTCEPSS rescore
  23. 2026-07-06 16:24 UTCEPSS rescore
  24. 2026-07-05 02:27 UTCEPSS rescore
  25. 2026-07-01 15:02 UTCEPSS rescore
Show 61 more
  1. 2026-06-28 04:53 UTCEPSS rescore
  2. 2026-06-27 03:05 UTCEPSS rescore
  3. 2026-06-27 03:05 UTCEPSS rescore
  4. 2026-06-25 13:47 UTCEPSS rescore
  5. 2026-06-25 13:47 UTCEPSS rescore
  6. 2026-06-24 14:02 UTCEPSS rescore
  7. 2026-06-24 14:02 UTCEPSS rescore
  8. 2026-06-23 21:30 UTCEPSS rescore
  9. 2026-06-22 14:23 UTCEPSS rescore
  10. 2026-06-21 01:57 UTCEPSS rescore
  11. 2026-06-21 01:57 UTCEPSS rescore
  12. 2026-06-20 00:06 UTCOSV refresh
  13. 2026-06-18 17:50 UTCEPSS rescore
  14. 2026-06-17 17:50 UTCEPSS rescore
  15. 2026-06-17 17:50 UTCEPSS rescore
  16. 2026-06-16 17:50 UTCEPSS rescore
  17. 2026-06-16 17:50 UTCEPSS rescore
  18. 2026-06-15 17:45 UTCEPSS rescore
  19. 2026-06-14 23:14 UTCEPSS rescore
  20. 2026-06-12 23:09 UTCEPSS rescore
  21. 2026-06-12 23:09 UTCEPSS rescore
  22. 2026-06-11 13:57 UTCEPSS rescore
  23. 2026-06-10 22:15 UTCEPSS rescore
  24. 2026-06-10 13:18 UTCEPSS rescore
  25. 2026-06-08 14:14 UTCEPSS rescore
  26. 2026-06-05 22:44 UTCEPSS rescore
  27. 2026-06-05 06:08 UTCEPSS rescore
  28. 2026-06-05 06:08 UTCEPSS rescore
  29. 2026-06-02 20:10 UTCEPSS rescore
  30. 2026-06-01 13:49 UTCEPSS rescore
  31. 2026-06-01 13:49 UTCEPSS rescore
  32. 2026-05-31 02:25 UTCOSV refresh
  33. 2026-05-31 00:14 UTCEPSS rescore
  34. 2026-05-29 13:41 UTCEPSS rescore
  35. 2026-05-28 13:42 UTCEPSS rescore
  36. 2026-05-28 13:42 UTCEPSS rescore
  37. 2026-05-27 13:38 UTCEPSS rescore
  38. 2026-05-27 13:38 UTCEPSS rescore
  39. 2026-05-26 07:16 UTCEPSS rescore
  40. 2026-05-24 16:43 UTCEPSS rescore
  41. 2026-05-20 10:34 UTCVendor advisory
  42. 2026-05-20 10:34 UTCGHSA enrichment
  43. 2026-05-20 06:22 UTCVendor advisory
  44. 2026-05-20 06:22 UTCGHSA enrichment
  45. 2026-05-20 02:10 UTCVendor advisory
  46. 2026-05-20 02:10 UTCGHSA enrichment
  47. 2026-05-19 21:58 UTCVendor advisory
  48. 2026-05-19 21:58 UTCGHSA enrichment
  49. 2026-05-19 17:46 UTCVendor advisory
  50. 2026-05-19 17:46 UTCGHSA enrichment
  51. 2026-05-19 13:34 UTCVendor advisory
  52. 2026-05-19 13:34 UTCGHSA enrichment
  53. 2026-05-19 09:21 UTCVendor advisory
  54. 2026-05-19 09:21 UTCGHSA enrichment
  55. 2026-05-19 05:09 UTCVendor advisory
  56. 2026-05-19 05:09 UTCGHSA enrichment
  57. 2026-05-19 00:58 UTCEG score recompute
  58. 2026-05-19 00:58 UTCVendor advisory
  59. 2026-05-19 00:57 UTCGHSA enrichment
  60. 2026-05-18 21:30 UTCEPSS rescore
  61. 2026-05-18 21:30 UTCEPSS rescore

Publicly available exploits

(1 reference)

Working exploit code is in the public domain (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • Exploit-DBEDB-39736
    First seen Apr 26, 2016

    libgd 2.1.1 - Signedness Heap Overflow

    Open source ↗

Frequently asked(5)

What is CVE-2016-3074?
CVE-2016-3074 is a critical vulnerability published on April 26, 2016. 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.
When was CVE-2016-3074 disclosed?
CVE-2016-3074 was first published in the National Vulnerability Database on April 26, 2016, with the most recent update on May 6, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2016-3074 actively exploited?
CVE-2016-3074 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 98.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2016-3074?
CVE-2016-3074 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2016-3074?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2016-3074, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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