MediumFix available
irssi — security advisory
Irssi 1.3.x and 1.4.x before 1.4.4 has a use-after-free because of use of a stale special collector reference. This occurs when printing of a non-formatted line is concurrent with printing of a formatted line.
- Products
- irssi
- Affected versions
- Not specified
- Fixed versions
- 1.4.3-2
- CVEs
- CVE-2023-29132
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 15:52 UTC · Revision 1
Source evidence
Irssi 1.3.x and 1.4.x before 1.4.4 has a use-after-free because of use of a stale special collector reference. This occurs when printing of a non-formatted line is concurrent with printing of a formatted line.
osv:DEBIAN-CVE-2023-29132
irssi
Fixed versions: 1.4.3-2
irssi
Fixed versions: 1.4.3-2
irssi
Fixed versions: 1.4.3-2
Complete source record
{
"id": "fd042edc63fe49a07ca47fad5d00925ff05a29dfd5fe9ba212a14d514f31c73e",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2023-29132",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "DEBIAN-CVE-2023-29132",
"summary": "Irssi 1.3.x and 1.4.x before 1.4.4 has a use-after-free because of use of a stale special collector reference. This occurs when printing of a non-formatted line is concurrent with printing of a formatted line.",
"evidence": "osv:DEBIAN-CVE-2023-29132",
"products": [
{
"name": {
"value": "irssi",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.4.3-2",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "irssi",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.4.3-2",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "irssi",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.4.3-2",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": []
}
],
"severity": "medium",
"structured": {
"id": "DEBIAN-CVE-2023-29132",
"aliases": [
"DEBIAN-CVE-2023-29132"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.4.3-2"
}
]
}
],
"package": {
"name": "irssi",
"purl": "pkg:deb/debian/irssi?arch=source&distro=bookworm",
"ecosystem": "Debian:12"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2023-29132.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.4.3-2"
}
]
}
],
"package": {
"name": "irssi",
"purl": "pkg:deb/debian/irssi?arch=source&distro=trixie",
"ecosystem": "Debian:13"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2023-29132.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.4.3-2"
}
]
}
],
"package": {
"name": "irssi",
"purl": "pkg:deb/debian/irssi?arch=source&distro=forky",
"ecosystem": "Debian:14"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2023-29132.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
}
],
"modified": "2026-10-26T18:02:14.039848213Z",
"provider": "osv",
"upstream": [
"CVE-2023-29132"
],
"references": [
"https://security-tracker.debian.org/tracker/CVE-2023-29132"
]
},
"related_cves": [
{
"value": "CVE-2023-29132",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 455908,
"published_at": "2023-04-14T01:15:08.367+00:00"
}