CVE-2026-88360

High

Description

libvips 8.19.0 contains a memory access vulnerability when processing little-endian PFM images. If the PFM text header length is not a multiple of four bytes, the mmap-based loader can expose pixel data at an address that is not properly aligned for float access. vips_avg_scan() subsequently dereferences the buffer through a float pointer, resulting in undefined behavior and process termination on strict-alignment architectures or UBSan-instrumented builds, leading to denial of service.

SeverityHigh
CVSS7.5
Exploit probability—
ProductLibvips
PublishedSep 24, 2026
First seenSep 24, 2026
Weakness typeCWE-1339CWE-1339

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
libvips8.19.0—

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