CVE-2026-6491— libvips nip2 vips7compat.c im_minpos_vec heap-based overflow
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I. Basic Information for CVE-2026-6491
Vulnerability Information
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Vulnerability Title
libvips nip2 vips7compat.c im_minpos_vec heap-based overflow
Source: NVD (National Vulnerability Database)
Vulnerability Description
A security vulnerability has been detected in libvips up to 8.18.2. The affected element is the function im_minpos_vec of the file libvips/deprecated/vips7compat.c of the component nip2 Handler. Such manipulation of the argument n leads to heap-based buffer overflow. An attack has to be approached locally. The exploit has been disclosed publicly and may be used. The vendor confirms that they will "be removing the deprecated area in libvips 8.19".
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
堆缓冲区溢出
Source: NVD (National Vulnerability Database)
Vulnerability Title
libvips 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
libvips是libvips开源的一个具有低内存需求的快速图像处理库。 libvips 8.18.2及之前版本存在安全漏洞，该漏洞源于对文件libvips/deprecated/vips7compat.c中参数n的操作，可能导致堆缓冲区溢出。
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 |
|---|---|---|---|---|
| - | libvips | 8.18.0 | cpe:2.3:a:libvips:libvips:*:*:*:*:*:*:*:* |
II. Public POCs for CVE-2026-6491
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · n/a · 2026-04-17 · 5 CVEs total
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V. Comments for CVE-2026-6491
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