ubuntu-cve-2023-39741
Vulnerability from osv_ubuntu
Published
2023-08-17 19:15
Modified
2026-05-20 15:02
Summary
Details
lrzip v0.651 was discovered to contain a heap overflow via the libzpaq::PostProcessor::write(int) function at /libzpaq/libzpaq.cpp. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted file.
Severity
5.5 (Medium)
N/A (UNKNOWN)
References
{
"affected": [
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "lrzip",
"binary_version": "0.616-1ubuntu0.1~esm2"
}
]
},
"package": {
"ecosystem": "Ubuntu:Pro:14.04:LTS",
"name": "lrzip",
"purl": "pkg:deb/ubuntu/lrzip@0.616-1ubuntu0.1~esm2?arch=source\u0026distro=esm-infra-legacy/trusty"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"0.608-2",
"0.616-1",
"0.616-1ubuntu0.1~esm",
"0.616-1ubuntu0.1~esm1",
"0.616-1ubuntu0.1~esm2"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "lrzip",
"binary_version": "0.621-1ubuntu0.1~esm2"
}
]
},
"package": {
"ecosystem": "Ubuntu:Pro:16.04:LTS",
"name": "lrzip",
"purl": "pkg:deb/ubuntu/lrzip@0.621-1ubuntu0.1~esm2?arch=source\u0026distro=esm-apps/xenial"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"0.621-1",
"0.621-1ubuntu0.1~esm1",
"0.621-1ubuntu0.1~esm2"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "lrzip",
"binary_version": "0.631-1+deb9u3build0.18.04.1"
}
]
},
"package": {
"ecosystem": "Ubuntu:Pro:18.04:LTS",
"name": "lrzip",
"purl": "pkg:deb/ubuntu/lrzip@0.631-1+deb9u3build0.18.04.1?arch=source\u0026distro=esm-apps/bionic"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"0.631-1",
"0.631-1ubuntu0.1~esm1",
"0.631-1+deb9u1build0.18.04.1",
"0.631-1+deb9u3build0.18.04.1"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "lrzip",
"binary_version": "0.631+git180528-1+deb10u1build0.20.04.1"
}
]
},
"package": {
"ecosystem": "Ubuntu:20.04:LTS",
"name": "lrzip",
"purl": "pkg:deb/ubuntu/lrzip@0.631+git180528-1+deb10u1build0.20.04.1?arch=source\u0026distro=focal"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"0.631+git180528-1",
"0.631+git180528-1build1",
"0.631+git180528-1+deb10u1build0.20.04.1"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "lrzip",
"binary_version": "0.651-2ubuntu0.22.04.1"
}
]
},
"package": {
"ecosystem": "Ubuntu:22.04:LTS",
"name": "lrzip",
"purl": "pkg:deb/ubuntu/lrzip@0.651-2ubuntu0.22.04.1?arch=source\u0026distro=jammy"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"0.641-1",
"0.651-2",
"0.651-2ubuntu0.22.04.1"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "lrzip",
"binary_version": "0.651-2ubuntu1"
}
]
},
"package": {
"ecosystem": "Ubuntu:24.04:LTS",
"name": "lrzip",
"purl": "pkg:deb/ubuntu/lrzip@0.651-2ubuntu1?arch=source\u0026distro=noble"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"0.651-2ubuntu1"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "lrzip",
"binary_version": "0.651-3"
}
]
},
"package": {
"ecosystem": "Ubuntu:25.10",
"name": "lrzip",
"purl": "pkg:deb/ubuntu/lrzip@0.651-3?arch=source\u0026distro=questing"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"0.651-2ubuntu1",
"0.651-3"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "lrzip",
"binary_version": "0.660-1"
}
]
},
"package": {
"ecosystem": "Ubuntu:26.04:LTS",
"name": "lrzip",
"purl": "pkg:deb/ubuntu/lrzip@0.660-1?arch=source\u0026distro=resolute"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"0.651-3",
"0.651-3build1",
"0.660-1"
]
}
],
"aliases": [],
"details": "lrzip v0.651 was discovered to contain a heap overflow via the libzpaq::PostProcessor::write(int) function at /libzpaq/libzpaq.cpp. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted file.",
"id": "UBUNTU-CVE-2023-39741",
"modified": "2026-05-20T15:02:49Z",
"published": "2023-08-17T19:15:00Z",
"references": [
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2023-39741"
},
{
"type": "REPORT",
"url": "https://github.com/ckolivas/lrzip/issues/246"
},
{
"type": "REPORT",
"url": "https://github.com/huanglei3/lrzip_poc/tree/main/lrzip_heap_overflow"
},
{
"type": "REPORT",
"url": "https://www.cve.org/CVERecord?id=CVE-2023-39741"
}
],
"related": [],
"schema_version": "1.7.0",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
],
"upstream": [
"CVE-2023-39741"
]
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
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