In LibTIFF 4.0.9, a heap-based buffer overflow occurs in the function LZWDecodeCompat in tif_lzw.c via a crafted TIFF file, as demonstrated by tiff2ps.
{
"unresolved_ranges": [
{
"extracted_events": [
{
"last_affected": "14.04"
}
],
"cpe": "cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*",
"source": "CPE_FIELD"
},
{
"extracted_events": [
{
"last_affected": "16.04"
}
],
"cpe": "cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*",
"source": "CPE_FIELD"
},
{
"extracted_events": [
{
"last_affected": "18.04"
}
],
"cpe": "cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*",
"source": "CPE_FIELD"
},
{
"extracted_events": [
{
"last_affected": "18.10"
}
],
"cpe": "cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:*",
"source": "CPE_FIELD"
},
{
"extracted_events": [
{
"last_affected": "7.0"
}
],
"cpe": "cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*",
"source": "CPE_FIELD"
},
{
"extracted_events": [
{
"last_affected": "8.0"
}
],
"cpe": "cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*",
"source": "CPE_FIELD"
},
{
"extracted_events": [
{
"last_affected": "9.0"
}
],
"cpe": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*",
"source": "CPE_FIELD"
},
{
"extracted_events": [
{
"last_affected": "7.0"
}
],
"cpe": "cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*",
"source": "CPE_FIELD"
},
{
"extracted_events": [
{
"last_affected": "7.0"
}
],
"cpe": "cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*",
"source": "CPE_FIELD"
},
{
"extracted_events": [
{
"last_affected": "7.0"
}
],
"cpe": "cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*",
"source": "CPE_FIELD"
}
]
}{
"extracted_events": [
{
"introduced": "0"
},
{
"last_affected": "4.0.9"
}
],
"cpe": "cpe:2.3:a:libtiff:libtiff:4.0.9:*:*:*:*:*:*:*",
"source": "CPE_FIELD"
}"2026-04-11T18:11:26Z"
[
{
"signature_version": "v1",
"source": "https://gitlab.com/libtiff/libtiff@58a898cb4459055bb488ca815c23b880c242a27d",
"signature_type": "Function",
"deprecated": false,
"digest": {
"length": 4134.0,
"function_hash": "120825719578505321660184962155054746977"
},
"target": {
"function": "LZWDecodeCompat",
"file": "libtiff/tif_lzw.c"
},
"id": "CVE-2018-8905-3fbe4683"
},
{
"signature_version": "v1",
"id": "CVE-2018-8905-e4506fa1",
"signature_type": "Line",
"deprecated": false,
"digest": {
"line_hashes": [
"177967733808906035883593633810155823881",
"203737156195573976975904104044591611902",
"167066477237446475925485410116217217762",
"173059985397098238975525246124703618955",
"99427663126675737957365031708259496074",
"289243857886536227372722331896346644343",
"10214055182485147416901345635429964874",
"183337954797534262759069573818295556151",
"139234947298997046072255456576489018581",
"244051190731298221544905369957809947884",
"94663415500484428692874645151769140260",
"212093616533759937923555560260924140032",
"35273233916047150958507687928769187078",
"217767932149858445127393940380373206037"
],
"threshold": 0.9
},
"target": {
"file": "libtiff/tif_lzw.c"
},
"source": "https://gitlab.com/libtiff/libtiff@58a898cb4459055bb488ca815c23b880c242a27d"
}
]
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2018-8905.json"