CVE-2026-42170— Gimp: gimp dds plug-in heap-based buffer overflow via bpp mismatch in load_layer() (ddsread.c)
Possible ATT&CK Techniques 2AI
T1190 · Exploit Public-Facing Application T1203 · Exploitation for Client ExecutionAffected Version Matrix 4
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Red Hat | Red Hat Enterprise Linux 6 | any | affected |
| Red Hat | Red Hat Enterprise Linux 7 | any | affected |
| Red Hat | Red Hat Enterprise Linux 8 | any | affected |
| Red Hat | Red Hat Enterprise Linux 9 | any | unknown |
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I. Basic Information for CVE-2026-42170
Vulnerability Information
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Vulnerability Title
Gimp: gimp dds plug-in heap-based buffer overflow via bpp mismatch in load_layer() (ddsread.c)
Source: CVE Program / CVE List V5
Vulnerability Description
A heap-based buffer overflow vulnerability exists in the GIMP DDS (DirectDraw Surface) file parser. When a crafted DDS file declares a D3D9 pixel format but sets a lower bits-per-pixel (bpp) value in the header, the loader allocates an undersized heap buffer. Subsequent pixel data consumption at the real format's stride causes a write past the heap buffer boundary, leading to heap metadata corruption and potential code execution.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
缓冲区大小计算不正确
Source: CVE Program / CVE List V5
Vulnerability Title
GIMP DDS 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
GIMP DDS是GIMP组织的一款图像编辑软件的插件。 GIMP DDS存在缓冲区错误漏洞，该漏洞源于DDS文件解析器在处理特制的DDS文件时，对像素格式和每像素位数验证不足，导致分配过小的堆缓冲区，造成堆缓冲区溢出，可能导致代码执行。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Red Hat | Red Hat Enterprise Linux 6 | - | cpe:/o:redhat:enterprise_linux:6 | |
| Red Hat | Red Hat Enterprise Linux 7 | - | cpe:/o:redhat:enterprise_linux:7 | |
| Red Hat | Red Hat Enterprise Linux 8 | - | cpe:/o:redhat:enterprise_linux:8 | |
| Red Hat | Red Hat Enterprise Linux 9 | - | cpe:/o:redhat:enterprise_linux:9 |
II. Public POCs for CVE-2026-42170
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2026-42170 (2)
IV. Related Vulnerabilities
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V. Comments for CVE-2026-42170
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