High
Security advisory
A buffer overflow vulnerability in CDataList of the jwwlib component of LibreCAD 2.2.0-rc3 and older allows an attacker to achieve Remote Code Execution using a crafted JWW document.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2021-45342
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 12:02 UTC · Revision 1
Source evidence
A buffer overflow vulnerability in CDataList of the jwwlib component of LibreCAD 2.2.0-rc3 and older allows an attacker to achieve Remote Code Execution using a crafted JWW document.
osv:CVE-2021-45342
Complete source record
{
"id": "05eef7160928a926a83f0ac1757956473395270379aa4a0d52edc1fcfd2a3a09",
"url": "https://osv.dev/vulnerability/CVE-2021-45342",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2021-45342",
"summary": "A buffer overflow vulnerability in CDataList of the jwwlib component of LibreCAD 2.2.0-rc3 and older allows an attacker to achieve Remote Code Execution using a crafted JWW document.",
"evidence": "osv:CVE-2021-45342",
"products": [],
"severity": "high",
"structured": {
"id": "CVE-2021-45342",
"aliases": [
"CVE-2021-45342"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/librecad/librecad",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"last_affected": "f21fde6e5ee4a63b68e72ad59a3fa4268dbe1314"
},
{
"introduced": "69669eaa9aba7ced3a2725b881bf06fd89840ff2"
},
{
"last_affected": "eba1413869c7d7cdd8cb1a1aeabf911ba152980e"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:librecad:librecad:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0"
},
{
"last_affected": "2.1.3"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:librecad:librecad:2.2.0:alpha:*:*:*:*:*:*",
"range": [
{
"introduced": "2.2.0-alpha"
},
{
"last_affected": "2.2.0-alpha"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:librecad:librecad:2.2.0:rc1:*:*:*:*:*:*",
"range": [
{
"introduced": "2.2.0-rc1"
},
{
"last_affected": "2.2.0-rc1"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:librecad:librecad:2.2.0:rc2:*:*:*:*:*:*",
"range": [
{
"introduced": "2.2.0-rc2"
},
{
"last_affected": "2.2.0-rc2"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:librecad:librecad:2.2.0:rc3:*:*:*:*:*:*",
"range": [
{
"introduced": "2.2.0-rc3"
},
{
"last_affected": "2.2.0-rc3"
}
],
"source": "CPE_STRING"
}
]
}
}
],
"versions": [
"2.2.0-alpha",
"2.2.0-rc1",
"2.2.0-rc2",
"2.2.0-rc3",
"2.1.3",
"2.1.2",
"2.1.1",
"2.1.0",
"2.1.0-alpha",
"2.0.6",
"2.0.0",
"2.0.0rc3",
"1.0.0beta5"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-45342.json"
}
}
],
"modified": "2026-10-20T10:55:07.739139507Z",
"provider": "osv",
"references": [
"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FCC2FZ6HZOIK3775K4MTCOUHX6PLGPEL/",
"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VUMH3CWGVSMR2UIZEA35Q5UB7PDVVVYS/",
"https://security.gentoo.org/glsa/202305-26",
"https://www.debian.org/security/2022/dsa-5077",
"https://github.com/LibreCAD/LibreCAD/issues/1464"
],
"provider_metadata": {
"unresolved_ranges": [
{
"cpes": [
"cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*",
"cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*"
],
"vendor_product": "debian:debian_linux",
"extracted_events": [
{
"range": [
{
"introduced": "10.0"
},
{
"last_affected": "10.0"
},
{
"introduced": "11.0"
},
{
"last_affected": "11.0"
}
],
"source": "CPE_STRING"
}
]
},
{
"cpes": [
"cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*",
"cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*"
],
"vendor_product": "fedoraproject:fedora",
"extracted_events": [
{
"range": [
{
"introduced": "34"
},
{
"last_affected": "34"
},
{
"introduced": "35"
},
{
"last_affected": "35"
}
],
"source": "CPE_STRING"
}
]
}
]
}
},
"related_cves": [
{
"value": "CVE-2021-45342",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 386934,
"published_at": "2022-01-25T13:15:07.83+00:00"
}