Heap-based buffer overflow in the colorcmykto_rgb in common/color.c in OpenJPEG before 2.1.1 allows remote attackers to cause a denial of service (crash) via a crafted .j2k file.
{
"unresolved_ranges": [
{
"extracted_events": [
{
"last_affected": "2.1.0"
}
],
"source": "CPE_RANGE",
"vendor_product": "uclouvain:openjpeg",
"cpes": [
"cpe:2.3:a:uclouvain:openjpeg:*:*:*:*:*:*:*:*"
]
},
{
"extracted_events": [
{
"introduced": "23"
},
{
"last_affected": "23"
},
{
"introduced": "24"
},
{
"last_affected": "24"
}
],
"source": "CPE_STRING",
"vendor_product": "fedoraproject:fedora",
"cpes": [
"cpe:2.3:o:fedoraproject:fedora:23:*:*:*:*:*:*:*",
"cpe:2.3:o:fedoraproject:fedora:24:*:*:*:*:*:*:*"
]
}
]
}"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2016-4796.json"
[
{
"target": {
"function": "color_cmyk_to_rgb",
"file": "src/bin/common/color.c"
},
"deprecated": false,
"source": "https://github.com/uclouvain/openjpeg/commit/162f6199c0cd3ec1c6c6dc65e41b2faab92b2d91",
"id": "CVE-2016-4796-64fc458f",
"signature_version": "v1",
"digest": {
"length": 1551.0,
"function_hash": "134464743987787230719671113372916798236"
},
"signature_type": "Function"
},
{
"target": {
"file": "src/bin/common/color.c"
},
"deprecated": false,
"source": "https://github.com/uclouvain/openjpeg/commit/162f6199c0cd3ec1c6c6dc65e41b2faab92b2d91",
"id": "CVE-2016-4796-e267dae1",
"signature_version": "v1",
"digest": {
"threshold": 0.9,
"line_hashes": [
"281879827006156950804066750185371585500",
"242510693724452804591160714773927432543",
"139685648053095491543908164286238942877",
"228032896656891271929285980984670012589"
]
},
"signature_type": "Line"
}
]
"2026-08-07T14:48:21Z"