DEBIAN-CVE-2026-43958
A flaw was found in rrdcached, a component of rrdtool. A local attacker with access to a rrdcached socket can exploit a stack-based buffer overflow by sending an oversized CREATE request. This vulnerability can lead to a denial of service by crashing the daemon or potentially allow for arbitrary code execution, impacting the integrity and confidentiality of data.
DEBIAN-CVE-2026-43958
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: osv:DEBIAN-CVE-2026-43958
rrdtool
Source reference: /affected/0/package/name
- Affected versions
- 1.7.2-4
Source reference:
/affected/0/versions1.7.2-4.1Source reference:
/affected/0/versions1.7.2-4.1~exp1Source reference:
/affected/0/versions1.7.2-4.2Source reference:
/affected/0/versions1.9.0-1Source reference:
/affected/0/versions1.9.0-2Source reference:
/affected/0/versions1.9.0-2.1Source reference:
/affected/0/versions - Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
rrdtool
Source reference: /affected/1/package/name
- Affected versions
- 1.7.2-4.2
Source reference:
/affected/1/versions1.9.0-1Source reference:
/affected/1/versions1.9.0-2Source reference:
/affected/1/versions1.9.0-2.1Source reference:
/affected/1/versions - Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
rrdtool
Source reference: /affected/2/package/name
- Affected versions
- 1.7.2-4.2
Source reference:
/affected/2/versions1.9.0-1Source reference:
/affected/2/versions1.9.0-2Source reference:
/affected/2/versions1.9.0-2.1Source reference:
/affected/2/versions - Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "rrdtool",
"purl": "pkg:deb/debian/rrdtool?arch=source&distro=bookworm",
"ecosystem": "Debian:12"
},
"versions": [
"1.7.2-4",
"1.7.2-4.1",
"1.7.2-4.1~exp1",
"1.7.2-4.2",
"1.9.0-1",
"1.9.0-2",
"1.9.0-2.1"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-43958.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "rrdtool",
"purl": "pkg:deb/debian/rrdtool?arch=source&distro=trixie",
"ecosystem": "Debian:13"
},
"versions": [
"1.7.2-4.2",
"1.9.0-1",
"1.9.0-2",
"1.9.0-2.1"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-43958.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "rrdtool",
"purl": "pkg:deb/debian/rrdtool?arch=source&distro=forky",
"ecosystem": "Debian:14"
},
"versions": [
"1.7.2-4.2",
"1.9.0-1",
"1.9.0-2",
"1.9.0-2.1"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-43958.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
}
]Publisher severity
No explicit severity was provided.
- Event
- #21277 · Revision 1
- Added to Heist Feed
- Publisher date