Medium
Security advisory
In LibTIFF 4.0.7, the TIFFReadDirEntryLong8Array function in libtiff/tif_dirread.c mishandles a malloc operation, which allows attackers to cause a denial of service (memory leak within the function _TIFFmalloc in tif_unix.c) via a crafted file.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2017-9815
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 06:09 UTC · Revision 1
Source evidence
In LibTIFF 4.0.7, the TIFFReadDirEntryLong8Array function in libtiff/tif_dirread.c mishandles a malloc operation, which allows attackers to cause a denial of service (memory leak within the function _TIFFmalloc in tif_unix.c) via a crafted file.
osv:CVE-2017-9815
Complete source record
{
"id": "db134d6576093e7ba9a93bdf42ff169204b0bf08b8b490b4302a05333a456919",
"url": "https://osv.dev/vulnerability/CVE-2017-9815",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2017-9815",
"summary": "In LibTIFF 4.0.7, the TIFFReadDirEntryLong8Array function in libtiff/tif_dirread.c mishandles a malloc operation, which allows attackers to cause a denial of service (memory leak within the function _TIFFmalloc in tif_unix.c) via a crafted file.",
"evidence": "osv:CVE-2017-9815",
"products": [],
"severity": "medium",
"structured": {
"id": "CVE-2017-9815",
"aliases": [
"CVE-2017-9815"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/vadz/libtiff",
"type": "GIT",
"events": [
{
"introduced": "b28076b056eba9d665881bab139d21b21137fd2d"
},
{
"last_affected": "b28076b056eba9d665881bab139d21b21137fd2d"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:libtiff:libtiff:4.0.7:*:*:*:*:*:*:*",
"range": [
{
"introduced": "4.0.7"
},
{
"last_affected": "4.0.7"
}
],
"source": "CPE_STRING"
}
]
}
}
],
"versions": [
"4.0.7",
"Release-v4-0-7"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2017-9815.json"
}
},
{
"ranges": [
{
"repo": "https://gitlab.com/libtiff/libtiff",
"type": "GIT",
"events": [
{
"introduced": "884f973652b8b020e533b1e340da3ef4bcd1d925"
},
{
"last_affected": "884f973652b8b020e533b1e340da3ef4bcd1d925"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:libtiff:libtiff:4.0.7:*:*:*:*:*:*:*",
"range": [
{
"introduced": "4.0.7"
},
{
"last_affected": "4.0.7"
}
],
"source": "CPE_STRING"
}
]
}
}
],
"versions": [
"4.0.7",
"v4.0.7"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2017-9815.json"
}
}
],
"modified": "2026-10-24T10:30:35.915461104Z",
"provider": "osv",
"references": [
"https://usn.ubuntu.com/3602-1/"
],
"provider_metadata": {
"unresolved_ranges": [
{
"cpes": [
"cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*",
"cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*"
],
"vendor_product": "canonical:ubuntu_linux",
"extracted_events": [
{
"range": [
{
"introduced": "14.04"
},
{
"last_affected": "14.04"
},
{
"introduced": "16.04"
},
{
"last_affected": "16.04"
}
],
"source": "CPE_STRING"
}
]
}
]
}
},
"related_cves": [
{
"value": "CVE-2017-9815",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 433866,
"published_at": "2017-06-22T15:29:00.173+00:00"
}