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CVE-2026-70653— libvips: Possible heap-based buffer read overflow when decoding a well-crafted RLE Radiance image

Quick assessment

Affected

libvips libvips

Exploitation

No confirmed in-the-wild exploitation; assess based on exposure

Recommended action

Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

libvips 是一个具有低内存需求的快速图像处理库。在 8.18.3 版本之前，libvips/foreign/radiance.c 中旧式 Radiance RLE 解码器在 scanline_read_old 函数中遇到扫描行开头的重复标记时，会在任何先前的像素存在之前读取 q[-1]。因此，通过 VipsForeignLoadRad 加载的精心构造的 Radiance 图像可能会泄露相邻堆数据的四个字节，很可能是其他图像数据。此问题已在 8.18.3 版本中修复。

CVSS 4.8 · Medium EPSS 0.12% · P2 Updated Aug 21, 2026

Possible ATT&CK Techniques 1 AI

T1005 · Data from Local System

Affected Version Matrix 1

Vendor	Product	Version Range	Status
libvips	libvips	`< 8.18.3`	affected

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Vulnerability Information

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Vulnerability Title

libvips: Possible heap-based buffer read overflow when decoding a well-crafted RLE Radiance image

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, the old-style Radiance RLE decoder in libvips/foreign/radiance.c can process a repeat marker at the beginning of a scanline in scanline_read_old and read q[-1] before any prior pixel exists. A crafted Radiance image loaded through VipsForeignLoadRad can therefore disclose four bytes of adjacent heap data, most likely other image data. 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:N/VA:N/SC:N/SI:N/SA:N

Source: CVE Program / CVE List V5

Vulnerability Type

堆缓冲区溢出

Source: CVE Program / CVE List V5

Affected Products

Vendor	Product	Affected Versions	CPE	Subscribe
libvips	libvips	< 8.18.3	-

II. Public POCs for CVE-2026-70653

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III. Intelligence Information for CVE-2026-70653

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

CVE-2026-69242	8.4 HIGH	libvips: Integer overflow leading to heap buffer overflow leading to possible attacker-con
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-2026-70652	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-2026-70653

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CVE-2026-70653— libvips: Possible heap-based buffer read overflow when decoding a well-crafted RLE Radiance image

Quick assessment

Possible ATT&CK Techniques 1 AI

Affected Version Matrix 1

I. Basic Information for CVE-2026-70653

Vulnerability Information

Vulnerability Title

Vulnerability Description

CVSS Information

Vulnerability Type

Affected Products

II. Public POCs for CVE-2026-70653

III. Intelligence Information for CVE-2026-70653

Patches & Fixes for CVE-2026-70653 (2)

Vendor Advisories for CVE-2026-70653 (1)

Vendor Pages for CVE-2026-70653 (1)

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

IV. Related Vulnerabilities

V. Comments for CVE-2026-70653

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