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CVE-2026-69242— libvips: Integer overflow leading to heap buffer overflow leading to possible attacker-controlled mmap-resident write

Quick assessment

Affected
libvips libvips
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

libvips是libvips团队开源的一款图像处理库。 libvips 8.18.3之前版本存在安全漏洞，该漏洞源于特制的多波段TIFF文件通过VipsForeignLoadTiff处理时可绕过扫描线验证，导致整数溢出，使缓冲区区域计算能够访问攻击者控制的负偏移，可能造成其他图像数据的读写、数据泄露及进程崩溃。

CVSS 8.4 · High EPSS 0.27% · P18

Possible ATT&CK Techniques 1 AI

T1200 · Hardware Additions

Affected Version Matrix 1

VendorProduct Version RangeStatus
libvips libvips < 8.18.3 affected
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I. Basic Information for CVE-2026-69242

Vulnerability Information
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Vulnerability Title
libvips: Integer overflow leading to heap buffer overflow leading to possible attacker-controlled mmap-resident write
Source: CVE Program / CVE List V5
Vulnerability Description
libvips is a fast image processing library with low memory needs. Prior to version 8.18.3, a crafted many-band TIFF processed through VipsForeignLoadTiff can evade scanline validation in libvips/iofuncs/image.c and cause an integer overflow in vips_image_sanity. The resulting buffer-region calculation can access attacker-controlled negative offsets in mmap-resident allocations, allowing reads or writes of other image data, possible data disclosure through uncompressed .v output, and likely process crashes. Remote code execution has not been demonstrated but cannot be ruled out. This issue is fixed in version 8.18.3.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:H/VA:H/SC:L/SI:H/SA:H
Source: CVE Program / CVE List V5
Vulnerability Type
堆缓冲区溢出
Source: CVE Program / CVE List V5
Vulnerability Title
libvips 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
libvips是libvips团队开源的一款图像处理库。 libvips 8.18.3之前版本存在安全漏洞，该漏洞源于特制的多波段TIFF文件通过VipsForeignLoadTiff处理时可绕过扫描线验证，导致整数溢出，使缓冲区区域计算能够访问攻击者控制的负偏移，可能造成其他图像数据的读写、数据泄露及进程崩溃。
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 libvips < 8.18.3 -

II. Public POCs for CVE-2026-69242

# POC Description Source Link Shenlong Link
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Qwen3.6-35B-A3B · 12619 chars
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III. Intelligence Information for CVE-2026-69242

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Patches & Fixes for CVE-2026-69242 (2)

Vendor Advisories for CVE-2026-69242 (1)

Vendor Pages for CVE-2026-69242 (1)

Same Patch Batch · libvips · 2026-08-20 · 5 CVEs total

CVE-2026-70651 6.9 MEDIUM libvips: Possible integer overflow when reading multi-page TIFF images via ImageMagick
CVE-2026-70654 5.8 MEDIUM libvips: A well-crafted PPM image processed via a custom source could lead to possible hea
CVE-2026-70653 4.8 MEDIUM libvips: Possible heap-based buffer read overflow when decoding a well-crafted RLE Radianc
CVE-2026-70652 2.0 LOW libvips: Possible heap-based buffer read overflow when resizing and re-encoding a JPEG wit

IV. Related Vulnerabilities

Same product: libvips
Same vendor: libvips
Same weakness: CWE-122

V. Comments for CVE-2026-69242

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