HighFix available
7zip, p7zip — security advisory
The NtfsHandler.cpp NTFS handler in 7-Zip before 24.01 (for 7zz) contains a heap-based buffer overflow that allows an attacker to overwrite two bytes at multiple offsets beyond the allocated buffer size: buffer+512*i-2, for i=9, i=10, i=11, etc.
- Products
- 7zip, p7zip
- Affected versions
- 16.02+dfsg-8, 22.01+dfsg-8
- Fixed versions
- 16.02+really25.01+dfsg-0+deb12u1, 16.02+transitional.1, 22.01+dfsg-8+deb12u1, 24.05+dfsg-1
- CVEs
- CVE-2023-52168
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 15:20 UTC · Revision 1
Source evidence
The NtfsHandler.cpp NTFS handler in 7-Zip before 24.01 (for 7zz) contains a heap-based buffer overflow that allows an attacker to overwrite two bytes at multiple offsets beyond the allocated buffer size: buffer+512*i-2, for i=9, i=10, i=11, etc.
osv:DEBIAN-CVE-2023-52168
7zip
Fixed versions: 22.01+dfsg-8+deb12u1
7zip
Fixed versions: 24.05+dfsg-1
7zip
Fixed versions: 24.05+dfsg-1
p7zip
Fixed versions: 16.02+really25.01+dfsg-0+deb12u1
p7zip
Fixed versions: 16.02+transitional.1
Complete source record
{
"id": "2089fce0ccef11fcba9be719ab5f00573889672b2877fe14e7ec7f61701a49dd",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2023-52168",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "DEBIAN-CVE-2023-52168",
"summary": "The NtfsHandler.cpp NTFS handler in 7-Zip before 24.01 (for 7zz) contains a heap-based buffer overflow that allows an attacker to overwrite two bytes at multiple offsets beyond the allocated buffer size: buffer+512*i-2, for i=9, i=10, i=11, etc.",
"evidence": "osv:DEBIAN-CVE-2023-52168",
"products": [
{
"name": {
"value": "7zip",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "22.01+dfsg-8+deb12u1",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": [
{
"value": "22.01+dfsg-8",
"evidence": "/affected/0/versions"
}
]
},
{
"name": {
"value": "7zip",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "24.05+dfsg-1",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "7zip",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "24.05+dfsg-1",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "p7zip",
"evidence": "/affected/3/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "16.02+really25.01+dfsg-0+deb12u1",
"evidence": "/affected/3/ranges"
}
],
"affected_versions": [
{
"value": "16.02+dfsg-8",
"evidence": "/affected/3/versions"
}
]
},
{
"name": {
"value": "p7zip",
"evidence": "/affected/4/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "16.02+transitional.1",
"evidence": "/affected/4/ranges"
}
],
"affected_versions": []
}
],
"severity": "high",
"structured": {
"id": "DEBIAN-CVE-2023-52168",
"aliases": [
"DEBIAN-CVE-2023-52168"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "22.01+dfsg-8+deb12u1"
}
]
}
],
"package": {
"name": "7zip",
"purl": "pkg:deb/debian/7zip?arch=source&distro=bookworm",
"ecosystem": "Debian:12"
},
"versions": [
"22.01+dfsg-8"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2023-52168.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "24.05+dfsg-1"
}
]
}
],
"package": {
"name": "7zip",
"purl": "pkg:deb/debian/7zip?arch=source&distro=trixie",
"ecosystem": "Debian:13"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2023-52168.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "24.05+dfsg-1"
}
]
}
],
"package": {
"name": "7zip",
"purl": "pkg:deb/debian/7zip?arch=source&distro=forky",
"ecosystem": "Debian:14"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2023-52168.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "16.02+really25.01+dfsg-0+deb12u1"
}
]
}
],
"package": {
"name": "p7zip",
"purl": "pkg:deb/debian/p7zip?arch=source&distro=bookworm",
"ecosystem": "Debian:12"
},
"versions": [
"16.02+dfsg-8"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2023-52168.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "16.02+transitional.1"
}
]
}
],
"package": {
"name": "p7zip",
"purl": "pkg:deb/debian/p7zip?arch=source&distro=trixie",
"ecosystem": "Debian:13"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2023-52168.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
}
],
"modified": "2026-10-26T18:00:14.366711524Z",
"provider": "osv",
"upstream": [
"CVE-2023-52168"
],
"references": [
"https://security-tracker.debian.org/tracker/CVE-2023-52168"
]
},
"related_cves": [
{
"value": "CVE-2023-52168",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 454934,
"published_at": "2024-07-03T18:15:04.597+00:00"
}