UnratedFix available
rrdtool: Fix of CVE-2026-43958
Type: advisorySources: OSV
- CVE-2026-43958: fix stack buffer overflow in rrdcached CREATE request handler
- Products
- python3-rrdtool, rrdtool, rrdtool-devel, rrdtool-doc, rrdtool-lua, rrdtool-perl, rrdtool-ruby, rrdtool-tcl
- Affected versions
- Not specified
- Fixed versions
- 1.7.0-16.el8.tuxcare.els1
- CVEs
- CVE-2026-43958
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 10:57 UTC · Revision 1
Source evidence
- CVE-2026-43958: fix stack buffer overflow in rrdcached CREATE request handler
osv:CLSA-2026-1783688499
python3-rrdtool
Fixed versions: 1.7.0-16.el8.tuxcare.els1
rrdtool
Fixed versions: 1.7.0-16.el8.tuxcare.els1
rrdtool-devel
Fixed versions: 1.7.0-16.el8.tuxcare.els1
rrdtool-doc
Fixed versions: 1.7.0-16.el8.tuxcare.els1
rrdtool-lua
Fixed versions: 1.7.0-16.el8.tuxcare.els1
rrdtool-perl
Fixed versions: 1.7.0-16.el8.tuxcare.els1
rrdtool-ruby
Fixed versions: 1.7.0-16.el8.tuxcare.els1
rrdtool-tcl
Fixed versions: 1.7.0-16.el8.tuxcare.els1
Complete source record
{
"id": "10173dc137c70a9c1fb1e38a7456663499c4db29c5a215d5fbc73ed2f9e39917",
"url": "https://osv.dev/vulnerability/CLSA-2026-1783688499",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "rrdtool: Fix of CVE-2026-43958",
"summary": "- CVE-2026-43958: fix stack buffer overflow in rrdcached CREATE request handler",
"evidence": "osv:CLSA-2026-1783688499",
"products": [
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{
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{
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{
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"affected_versions": []
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{
"name": {
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"evidence": "/affected/5/package/name"
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{
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"evidence": "/affected/6/ranges"
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"affected_versions": []
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{
"name": {
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"evidence": "/affected/7/package/name"
},
"prerequisites": [],
"fixed_versions": [
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"evidence": "/affected/7/ranges"
}
],
"affected_versions": []
}
],
"severity": "unknown",
"structured": {
"id": "CLSA-2026-1783688499",
"aliases": [
"CLSA-2026-1783688499"
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
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{
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]
}
],
"package": {
"name": "python3-rrdtool",
"purl": "pkg:rpm/tuxcare/python3-rrdtool?distro=centos-stream-8",
"ecosystem": "TuxCare:CentOS-Stream:8"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos-stream8els/CLSA-2026-1783688499.json"
}
},
{
"ranges": [
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],
"package": {
"name": "rrdtool",
"purl": "pkg:rpm/tuxcare/rrdtool?distro=centos-stream-8",
"ecosystem": "TuxCare:CentOS-Stream:8"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos-stream8els/CLSA-2026-1783688499.json"
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{
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"package": {
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"package": {
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"purl": "pkg:rpm/tuxcare/rrdtool-doc?distro=centos-stream-8",
"ecosystem": "TuxCare:CentOS-Stream:8"
},
"database_specific": {
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},
{
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],
"package": {
"name": "rrdtool-lua",
"purl": "pkg:rpm/tuxcare/rrdtool-lua?distro=centos-stream-8",
"ecosystem": "TuxCare:CentOS-Stream:8"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos-stream8els/CLSA-2026-1783688499.json"
}
},
{
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],
"package": {
"name": "rrdtool-perl",
"purl": "pkg:rpm/tuxcare/rrdtool-perl?distro=centos-stream-8",
"ecosystem": "TuxCare:CentOS-Stream:8"
},
"database_specific": {
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{
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],
"package": {
"name": "rrdtool-ruby",
"purl": "pkg:rpm/tuxcare/rrdtool-ruby?distro=centos-stream-8",
"ecosystem": "TuxCare:CentOS-Stream:8"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos-stream8els/CLSA-2026-1783688499.json"
}
},
{
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],
"package": {
"name": "rrdtool-tcl",
"purl": "pkg:rpm/tuxcare/rrdtool-tcl?distro=centos-stream-8",
"ecosystem": "TuxCare:CentOS-Stream:8"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos-stream8els/CLSA-2026-1783688499.json"
}
}
],
"modified": "2026-10-26T09:31:37.799669424Z",
"provider": "osv",
"upstream": [
"CVE-2026-43958"
],
"references": [
"https://errata.tuxcare.com/els_os/centos-stream8els/CLSA-2026-1783688499.html",
"https://nvd.nist.gov/vuln/detail/CVE-2026-43958"
]
},
"related_cves": [
{
"value": "CVE-2026-43958",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 447916,
"published_at": "2026-07-10T13:01:55+00:00"
}