A flaw has been found in libvips 8.19.0. This vulnerability affects the function vipsunpremultiplybuild of the file libvips/conversion/unpremultiply.c. Executing a manipulation of the argument alpha_band can lead to out-of-bounds read. The attack needs to be launched locally. The exploit has been published and may be used. This patch is called 7215ead1e0cd7d3703cc4f5fca06d7d0f4c22b91. A patch should be applied to remediate this issue.
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-3282.json"
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"source": "https://github.com/libvips/libvips/commit/7215ead1e0cd7d3703cc4f5fca06d7d0f4c22b91",
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"id": "CVE-2026-3282-12b464e3",
"target": {
"file": "libvips/conversion/unpremultiply.c"
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"id": "CVE-2026-3282-adcb5190",
"target": {
"file": "libvips/conversion/unpremultiply.c",
"function": "vips_unpremultiply_build"
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]