Medium
Security advisory
Missing input validation in the ar/tar implementations of APT before version 2.1.2 could result in denial of service when processing specially crafted deb files.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2020-3810
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 11:29 UTC · Revision 1
Source evidence
Missing input validation in the ar/tar implementations of APT before version 2.1.2 could result in denial of service when processing specially crafted deb files.
osv:CVE-2020-3810
Complete source record
{
"id": "4fcba6f2dc0c146d877deb0b92a14e3935c60526340af800d28aabe6aaf53b42",
"url": "https://osv.dev/vulnerability/CVE-2020-3810",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2020-3810",
"summary": "Missing input validation in the ar/tar implementations of APT before version 2.1.2 could result in denial of service when processing specially crafted deb files.",
"evidence": "osv:CVE-2020-3810",
"products": [],
"severity": "medium",
"structured": {
"id": "CVE-2020-3810",
"aliases": [
"CVE-2020-3810"
],
"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/debian/apt",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"fixed": "fb6366c55faff93bd7c897d2f299d38c4acf5e89"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:debian:apt:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0"
},
{
"fixed": "2.1.2"
}
],
"source": "CPE_RANGE"
}
]
}
}
],
"versions": [
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"2.0.2",
"2.1.1",
"2.1.0",
"2.0.1",
"2.0.0",
"1.9.12",
"1.9.11",
"1.9.10",
"1.9.9",
"1.9.8",
"1.9.7",
"1.9.6",
"1.9.5",
"1.9.3",
"1.9.2",
"1.9.1",
"1.9.0",
"1.8.0_rc2",
"1.8.0_rc1",
"1.8.0_beta1",
"1.8.0_alpha3",
"1.7.0",
"1.8.0_alpha2",
"1.8.0_alpha1",
"1.7.0_rc2",
"1.7.0_rc1",
"1.7.0_alpha3",
"1.7.0_alpha2",
"1.7.0_alpha1",
"1.7.0_alpha0",
"1.6_rc1",
"1.6_beta1",
"1.6_alpha7",
"1.6_alpha6",
"1.6_alpha5",
"1.6_alpha4",
"1.6_alpha3",
"1.6_alpha2",
"1.5",
"1.6_alpha1",
"1.5_rc4",
"1.5_rc3",
"1.5_rc2",
"1.5_rc1",
"1.5_beta2",
"1.5_beta1",
"1.5_alpha4",
"1.5_alpha3",
"1.5_alpha2",
"1.5_alpha1",
"1.4.6",
"1.4.5",
"1.4.4",
"1.4.3",
"1.4.2",
"1.4.1",
"1.4",
"1.4_rc2",
"1.4_rc1",
"1.4_beta4",
"1.4_beta3",
"1.4_beta2",
"1.3.1",
"1.4_beta1",
"1.3",
"1.3_rc4",
"1.3_rc3",
"1.3_rc2",
"1.3_rc1",
"1.3_pre3",
"1.3_pre2",
"1.3_pre1",
"1.3_exp3",
"1.3_exp2",
"1.3_exp1",
"1.2.11",
"1.2.10",
"1.2.9",
"1.2.8",
"1.2.7",
"1.2.6",
"1.2.5",
"1.2.4",
"1.2.3",
"1.2.2",
"1.2.1",
"1.2",
"1.2_exp1",
"1.1.10",
"1.1.9",
"1.1.8",
"1.1.7",
"1.1.6",
"1.1.5",
"1.1.4",
"1.1.3",
"1.1.2",
"1.1.1",
"1.1",
"1.1_exp16",
"1.1_exp15",
"1.1_exp14",
"1.1.exp13",
"1.1.exp12",
"1.1.exp11",
"1.1.exp10",
"1.1.exp9",
"1.1.exp8",
"1.1.exp7",
"1.1.exp6",
"1.1.exp5",
"1.1.exp4",
"1.1.exp2",
"1.1.exp1",
"0.9.0",
"0.8.14.1",
"0.8.14",
"0.8.13.2",
"0.8.13.1",
"0.8.13",
"0.8.12",
"0.8.11.5",
"0.8.11.4",
"0.8.11.3",
"0.8.11.2",
"0.8.11.1",
"0.8.11",
"0.8.10.3",
"0.8.10.2",
"0.8.10.1",
"0.8.10",
"0.8.9",
"0.8.8",
"0.8.7",
"0.8.6",
"0.8.5",
"0.8.4",
"0.8.3",
"0.8.2",
"0.8.1",
"0.8.0",
"0.7.25.3",
"0.7.25.1",
"0.7.25",
"0.7.24",
"0.7.23.1",
"0.7.23",
"0.7.22.1",
"0.7.22",
"0.7.21"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-3810.json"
}
}
],
"modified": "2026-10-20T10:54:22.323811186Z",
"provider": "osv",
"references": [
"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/U4PEH357MZM2SUGKETMEHMSGQS652QHH/",
"https://lists.debian.org/debian-security-announce/2020/msg00089.html",
"https://tracker.debian.org/news/1144109/accepted-apt-212-source-into-unstable/",
"https://usn.ubuntu.com/4359-1/",
"https://usn.ubuntu.com/4359-2/",
"https://bugs.launchpad.net/bugs/1878177",
"https://salsa.debian.org/apt-team/apt/-/commit/dceb1e49e4b8e4dadaf056be34088b415939cda6",
"https://github.com/Debian/apt/issues/111"
],
"provider_metadata": {
"unresolved_ranges": [
{
"cpes": [
"cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:-:*:*:*",
"cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*",
"cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*",
"cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*",
"cpe:2.3:o:canonical:ubuntu_linux:19.10:*:*:*:*:*:*:*",
"cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:*"
],
"vendor_product": "canonical:ubuntu_linux",
"extracted_events": [
{
"range": [
{
"introduced": "12.04"
},
{
"last_affected": "12.04"
},
{
"introduced": "14.04"
},
{
"last_affected": "14.04"
},
{
"introduced": "16.04"
},
{
"last_affected": "16.04"
},
{
"introduced": "18.04"
},
{
"last_affected": "18.04"
},
{
"introduced": "19.10"
},
{
"last_affected": "19.10"
},
{
"introduced": "20.04"
},
{
"last_affected": "20.04"
}
],
"source": "CPE_STRING"
}
]
},
{
"cpes": [
"cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*",
"cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*"
],
"vendor_product": "debian:debian_linux",
"extracted_events": [
{
"range": [
{
"introduced": "9.0"
},
{
"last_affected": "9.0"
},
{
"introduced": "10.0"
},
{
"last_affected": "10.0"
}
],
"source": "CPE_STRING"
}
]
},
{
"cpes": [
"cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*"
],
"vendor_product": "fedoraproject:fedora",
"extracted_events": [
{
"range": [
{
"introduced": "32"
},
{
"last_affected": "32"
}
],
"source": "CPE_STRING"
}
]
}
]
}
},
"related_cves": [
{
"value": "CVE-2020-3810",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 385218,
"published_at": "2020-05-15T14:15:11.887+00:00"
}