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TI-2021-17329 Aliases CVE-2021-40145GHSA-8rm3-jg2c-hvfh

gdImageGd2Ptr in gd_gd2.c in the GD Graphics Library (aka LibGD) through 2.3.2 has a…

Priority LOW 37CWE-415Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-415 and the CVSS impact.

Summary

gdImageGd2Ptr in gd_gd2.c in the GD Graphics Library (aka LibGD) through 2.3.2 has a double free. NOTE: the vendor's position is "The GD2 image format is a proprietary image format of libgd. It has to be regarded as being obsolete, and should only be used for development and testing purposes.

Why it matters now

EPSS 0.02134 82nd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:libgd:libgd:*:*:*:*:*:*:*:*up to 2.3.2VulnerableLibgd
  • cpe:2.3:a:libgd:libgd:*:*:*:*:*:*:*:* Versions up to 2.3.2 Vulnerable ·Libgd

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-40145
  2. 2026-10-03 Alias added: GHSA-8rm3-jg2c-hvfh

References

Exploit 1

Patch 1

Advisory 1

  • TI-2019-04913 gdImageColorMatch in gd_color_match.c in the GD Graphics Library (aka LibGD) 2.2.5, as… CVSS 3.0HIGH 8.8
  • TI-2016-02573 Integer signedness error in GD Graphics Library 2.1.1 (aka libgd or libgd2) allows remote… CVSS 3.1CRITICAL 9.8
  • TI-2016-08242 Integer underflow in the _gdContributionsAlloc function in gd_interpolation.c in the GD… CVSS 3.0CRITICAL 9.8
  • TI-2016-07128 Integer signedness error in the dynamicGetbuf function in gd_io_dp.c in the GD Graphics… CVSS 3.0CRITICAL 9.8
  • TI-2016-06432 Integer overflow in the gdImageWebpCtx function in gd_webp.c in the GD Graphics Library… CVSS 3.0CRITICAL 9.8
  • TI-2019-04914 The GD Graphics Library (aka LibGD) 2.2.5 has a double free in the gdImage*Ptr()… CVSS 3.0CRITICAL 9.8
See all 33 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences