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CVE-2021-40812

6.5 MEDIUM

The GD Graphics Library (aka LibGD) through 2.3.2 has an out-of-bounds read because of the lack of certain gdGetBuf and gdPutBuf return v...

Published: 2021-09-08 · Last updated: 2026-06-17

Severity and scoring

CVSS
6.5 MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CWE
CWE-125

Affected products

VendorProduct
libgdlibgd

Description

The GD Graphics Library (aka LibGD) through 2.3.2 has an out-of-bounds read because of the lack of certain gdGetBuf and gdPutBuf return value checks.

Source: NVD

References

Related CVEs

Same vendor

  • CVE-2021-40145 — gdImageGd2Ptr in gd_gd2.c in the GD Graphics Library (aka LibGD) through 2.3.2 has a double free (7.5 HIGH)
  • CVE-2021-38115 — read_header_tga in gd_tga.c in the GD Graphics Library (aka LibGD) through 2.3.2 allows remote attackers to cause a denial of service (ou... (6.5 MEDIUM)

Same CWE

  • CVE-2026-4367 — A flaw was found in libXpm (5.5 MEDIUM)
  • CVE-2026-47963 — DNG SDK versions 1.7.1 2536 and earlier are affected by an out-of-bounds read vulnerability that could lead to disclosure of sensitive me... (5.5 MEDIUM)
  • CVE-2026-47934 — DNG SDK versions 1.7.1 2536 and earlier are affected by an out-of-bounds read vulnerability that could lead to disclosure of sensitive me... (5.5 MEDIUM)
  • CVE-2026-47927 — DNG SDK versions 1.7.1 2536 and earlier are affected by an out-of-bounds read vulnerability that could lead to disclosure of sensitive me... (5.5 MEDIUM)
  • CVE-2026-47748 — stable-diffusion.cpp is a pure C/C++ library for running diffusion model (Stable Diffusion, Flux, Wan, Qwen Image, Z-Image, and more) inf... (5.5 MEDIUM)