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.
"2026-04-12T20:14:06Z"
[
{
"id": "CVE-2026-3282-12b464e3",
"signature_version": "v1",
"digest": {
"line_hashes": [
"228699000367218711452435730317844781358",
"120818877213528353593399506839222884387",
"293091068183294860478338276254690602227",
"166225840008792138840082394730813340931"
],
"threshold": 0.9
},
"source": "https://github.com/libvips/libvips/commit/7215ead1e0cd7d3703cc4f5fca06d7d0f4c22b91",
"deprecated": false,
"target": {
"file": "libvips/conversion/unpremultiply.c"
},
"signature_type": "Line"
},
{
"id": "CVE-2026-3282-adcb5190",
"signature_version": "v1",
"digest": {
"function_hash": "30116455859942596165143134174003670732",
"length": 1054.0
},
"source": "https://github.com/libvips/libvips/commit/7215ead1e0cd7d3703cc4f5fca06d7d0f4c22b91",
"deprecated": false,
"target": {
"function": "vips_unpremultiply_build",
"file": "libvips/conversion/unpremultiply.c"
},
"signature_type": "Function"
}
]
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-3282.json"
[
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "8.19.0"
}
]
}
]