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Vulnerability record · CVE-2026-69242 · published 20 August 2026

CVE-2026-69242: Heap-based buffer overflow vulnerability

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.

8.4 CVSS 4.0 High EPSS 0.27% · top 82.3% CWE-122 · Heap-based buffer overflowCWE-190 · Integer overflow Deferred
8.4CVSS 4.0 base score
0.27%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
4References
18 Sep 2026Last modified by NVD

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.

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

References

LinkTags
https://github.com/libvips/libvips/commit/c72f50927413cd2451837d9813f954bc5d88f548
https://github.com/libvips/libvips/pull/5012
https://github.com/libvips/libvips/releases/tag/v8.18.3
https://github.com/libvips/libvips/security/advisories/GHSA-9rwc-f68v-4482

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Source: NIST National Vulnerability Database (record CVE-2026-69242), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.