jbig2imagecompose in jbig2_image.c in Artifex jbig2dec before 0.18 has a heap-based buffer overflow.
{
"unresolved_ranges": [
{
"cpes": [
"cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*"
],
"source": "CPE_STRING",
"extracted_events": [
{
"introduced": "9.0"
},
{
"last_affected": "9.0"
}
],
"vendor_product": "debian:debian_linux"
},
{
"cpes": [
"cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*"
],
"source": "CPE_STRING",
"extracted_events": [
{
"introduced": "15.1"
},
{
"last_affected": "15.1"
}
],
"vendor_product": "opensuse:leap"
}
]
}{
"cpe": "cpe:2.3:a:artifex:jbig2dec:*:*:*:*:*:*:*:*",
"source": [
"CPE_RANGE",
"REFERENCES"
],
"extracted_events": [
{
"introduced": "0"
},
{
"fixed": "0.18"
}
]
}"2026-07-08T20:04:14Z"
[
{
"signature_type": "Function",
"target": {
"file": "jbig2_image.c",
"function": "jbig2_image_compose"
},
"deprecated": false,
"source": "https://github.com/artifexsoftware/jbig2dec/commit/0726320a4b55078e9d8deb590e477d598b3da66e",
"id": "CVE-2020-12268-924c29ab",
"signature_version": "v1",
"digest": {
"function_hash": "155900799814058220493720912559208313050",
"length": 2314.0
}
},
{
"signature_type": "Line",
"target": {
"file": "jbig2_image.c"
},
"deprecated": false,
"source": "https://github.com/artifexsoftware/jbig2dec/commit/0726320a4b55078e9d8deb590e477d598b3da66e",
"id": "CVE-2020-12268-c0987598",
"signature_version": "v1",
"digest": {
"line_hashes": [
"61396668555749811848068125231363856132",
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"threshold": 0.9
}
}
]
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-12268.json"