Medium
Security advisory
Heap-based buffer overflow in the zzip_mem_entry_extra_block function in memdisk.c in zziplib 0.13.62, 0.13.61, 0.13.60, 0.13.59, 0.13.58, 0.13.57, 0.13.56 allows remote attackers to cause a denial of service (crash) via a crafted ZIP file.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2017-5976
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 04:31 UTC · Revision 1
Source evidence
Heap-based buffer overflow in the zzip_mem_entry_extra_block function in memdisk.c in zziplib 0.13.62, 0.13.61, 0.13.60, 0.13.59, 0.13.58, 0.13.57, 0.13.56 allows remote attackers to cause a denial of service (crash) via a crafted ZIP file.
osv:CVE-2017-5976
Complete source record
{
"id": "dde1b740890327d4dc414b9b50755ea7292eedea79767cdc3dd14a7539b8ac4f",
"url": "https://osv.dev/vulnerability/CVE-2017-5976",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2017-5976",
"summary": "Heap-based buffer overflow in the zzip_mem_entry_extra_block function in memdisk.c in zziplib 0.13.62, 0.13.61, 0.13.60, 0.13.59, 0.13.58, 0.13.57, 0.13.56 allows remote attackers to cause a denial of service (crash) via a crafted ZIP file.",
"evidence": "osv:CVE-2017-5976",
"products": [],
"severity": "medium",
"structured": {
"id": "CVE-2017-5976",
"aliases": [
"CVE-2017-5976"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/gdraheim/zziplib",
"type": "GIT",
"events": [
{
"introduced": "01e5131569d3a3c592a32e7aee22913566015e28"
},
{
"last_affected": "0283ed8eeb494d7fc30d019b53e49490b3e8a6d7"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:gdraheim:zziplib:0.13.56:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0.13.56"
},
{
"last_affected": "0.13.56"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:gdraheim:zziplib:0.13.57:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0.13.57"
},
{
"last_affected": "0.13.57"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:gdraheim:zziplib:0.13.58:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0.13.58"
},
{
"last_affected": "0.13.58"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:gdraheim:zziplib:0.13.59:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0.13.59"
},
{
"last_affected": "0.13.59"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:gdraheim:zziplib:0.13.60:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0.13.60"
},
{
"last_affected": "0.13.60"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:gdraheim:zziplib:0.13.61:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0.13.61"
},
{
"last_affected": "0.13.61"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:gdraheim:zziplib:0.13.62:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0.13.62"
},
{
"last_affected": "0.13.62"
}
],
"source": "CPE_STRING"
}
]
}
}
],
"versions": [
"0.13.56",
"0.13.57",
"0.13.58",
"0.13.59",
"0.13.60",
"0.13.61",
"0.13.62",
"v0.13.62",
"v0.13.61",
"v0.13.60",
"v0.13.59",
"v0.13.58",
"v0.13.57",
"v0.13.56"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2017-5976.json"
}
}
],
"modified": "2026-10-24T10:30:19.519095362Z",
"provider": "osv",
"references": [
"https://blogs.gentoo.org/ago/2017/02/09/zziplib-heap-based-buffer-overflow-in-zzip_mem_entry_extra_block-memdisk-c/"
],
"provider_metadata": {
"unresolved_ranges": [
{
"cpes": [
"cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*",
"cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*"
],
"vendor_product": "debian:debian_linux",
"extracted_events": [
{
"range": [
{
"introduced": "8.0"
},
{
"last_affected": "8.0"
},
{
"introduced": "9.0"
},
{
"last_affected": "9.0"
}
],
"source": "CPE_STRING"
}
]
}
]
}
},
"related_cves": [
{
"value": "CVE-2017-5976",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 430031,
"published_at": "2017-03-01T15:59:01.197+00:00"
}