HighFix available
libvterm, vim — security advisory
libvterm through 0+bzr726, as used in Vim and other products, mishandles certain out-of-memory conditions, leading to a denial of service (application crash), related to screen.c, state.c, and vterm.c.
- Products
- libvterm, vim
- Affected versions
- 0.1.4-1, 0.2-1, 0.3-1, 0.3.1-1, 0.3.2-1, 0.3.3-1, 0.3.3-2, 0.3.3-3, 0.3~rc1-1
- Fixed versions
- 2:8.1.0693-1
- CVEs
- CVE-2018-20786
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 30 Oct 2026, 19:15 UTC · Revision 1
Source evidence
libvterm through 0+bzr726, as used in Vim and other products, mishandles certain out-of-memory conditions, leading to a denial of service (application crash), related to screen.c, state.c, and vterm.c.
osv:DEBIAN-CVE-2018-20786
libvterm
Fixed versions: Not specified
libvterm
Fixed versions: Not specified
libvterm
Fixed versions: Not specified
vim
Fixed versions: 2:8.1.0693-1
vim
Fixed versions: 2:8.1.0693-1
vim
Fixed versions: 2:8.1.0693-1
Complete source record
{
"id": "26823dbbcf310f8f1e9ea4835f2648efd08f7d7882b865b9dae569cdb50fed01",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2018-20786",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "DEBIAN-CVE-2018-20786",
"summary": "libvterm through 0+bzr726, as used in Vim and other products, mishandles certain out-of-memory conditions, leading to a denial of service (application crash), related to screen.c, state.c, and vterm.c.",
"evidence": "osv:DEBIAN-CVE-2018-20786",
"products": [
{
"name": {
"value": "libvterm",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "0.1.4-1",
"evidence": "/affected/0/versions"
},
{
"value": "0.2-1",
"evidence": "/affected/0/versions"
},
{
"value": "0.3-1",
"evidence": "/affected/0/versions"
},
{
"value": "0.3.1-1",
"evidence": "/affected/0/versions"
},
{
"value": "0.3.2-1",
"evidence": "/affected/0/versions"
},
{
"value": "0.3.3-1",
"evidence": "/affected/0/versions"
},
{
"value": "0.3.3-2",
"evidence": "/affected/0/versions"
},
{
"value": "0.3.3-3",
"evidence": "/affected/0/versions"
},
{
"value": "0.3~rc1-1",
"evidence": "/affected/0/versions"
}
]
},
{
"name": {
"value": "libvterm",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "0.3.3-3",
"evidence": "/affected/1/versions"
}
]
},
{
"name": {
"value": "libvterm",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "0.3.3-3",
"evidence": "/affected/2/versions"
}
]
},
{
"name": {
"value": "vim",
"evidence": "/affected/3/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2:8.1.0693-1",
"evidence": "/affected/3/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "vim",
"evidence": "/affected/4/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2:8.1.0693-1",
"evidence": "/affected/4/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "vim",
"evidence": "/affected/5/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2:8.1.0693-1",
"evidence": "/affected/5/ranges"
}
],
"affected_versions": []
}
],
"severity": "high",
"structured": {
"id": "DEBIAN-CVE-2018-20786",
"aliases": [
"DEBIAN-CVE-2018-20786"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "libvterm",
"purl": "pkg:deb/debian/libvterm?arch=source&distro=bookworm",
"ecosystem": "Debian:12"
},
"versions": [
"0.1.4-1",
"0.2-1",
"0.3-1",
"0.3.1-1",
"0.3.2-1",
"0.3.3-1",
"0.3.3-2",
"0.3.3-3",
"0.3~rc1-1"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2018-20786.json"
},
"ecosystem_specific": {
"urgency": "unimportant"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "libvterm",
"purl": "pkg:deb/debian/libvterm?arch=source&distro=trixie",
"ecosystem": "Debian:13"
},
"versions": [
"0.3.3-3"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2018-20786.json"
},
"ecosystem_specific": {
"urgency": "unimportant"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "libvterm",
"purl": "pkg:deb/debian/libvterm?arch=source&distro=forky",
"ecosystem": "Debian:14"
},
"versions": [
"0.3.3-3"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2018-20786.json"
},
"ecosystem_specific": {
"urgency": "unimportant"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2:8.1.0693-1"
}
]
}
],
"package": {
"name": "vim",
"purl": "pkg:deb/debian/vim?arch=source&distro=bookworm",
"ecosystem": "Debian:12"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2018-20786.json"
},
"ecosystem_specific": {
"urgency": "unimportant"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2:8.1.0693-1"
}
]
}
],
"package": {
"name": "vim",
"purl": "pkg:deb/debian/vim?arch=source&distro=trixie",
"ecosystem": "Debian:13"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2018-20786.json"
},
"ecosystem_specific": {
"urgency": "unimportant"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2:8.1.0693-1"
}
]
}
],
"package": {
"name": "vim",
"purl": "pkg:deb/debian/vim?arch=source&distro=forky",
"ecosystem": "Debian:14"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2018-20786.json"
},
"ecosystem_specific": {
"urgency": "unimportant"
}
}
],
"modified": "2026-10-15T21:47:30.870793146Z",
"provider": "osv",
"upstream": [
"CVE-2018-20786"
],
"references": [
"https://security-tracker.debian.org/tracker/CVE-2018-20786"
]
},
"related_cves": [
{
"value": "CVE-2018-20786",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 336136,
"published_at": "2019-02-24T14:29:00.283+00:00"
}