UnratedFix available
Fix CVE(s): CVE-2026-43958
Type: advisorySources: OSV
* SECURITY UPDATE: add safety guards for NULL, bounds, and zero-division checks - debian/patches/CVE-2026-43958.patch: add NULL, bounds, and zero-division safety checks in rrd_xport.c, rrd_graph.c, rrd_graph_helper.c and rrd_daemon.c - CVE-2026-43958
- Products
- librrd-dev, librrd8, librrdp-perl, librrds-perl, lua-rrd, lua-rrd-dev, python-rrdtool, python3-rrdtool, rrdcached, rrdtool, rrdtool-tcl, ruby-rrd
- Affected versions
- Not specified
- Fixed versions
- 1.7.0-1build1+tuxcare.els1
- CVEs
- CVE-2026-43958
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 11:41 UTC · Revision 1
Source evidence
* SECURITY UPDATE: add safety guards for NULL, bounds, and zero-division checks - debian/patches/CVE-2026-43958.patch: add NULL, bounds, and zero-division safety checks in rrd_xport.c, rrd_graph.c, rrd_graph_helper.c and rrd_daemon.c - CVE-2026-43958
osv:CLSA-2026-1787732471
librrd-dev
Fixed versions: 1.7.0-1build1+tuxcare.els1
librrd8
Fixed versions: 1.7.0-1build1+tuxcare.els1
librrdp-perl
Fixed versions: 1.7.0-1build1+tuxcare.els1
librrds-perl
Fixed versions: 1.7.0-1build1+tuxcare.els1
lua-rrd
Fixed versions: 1.7.0-1build1+tuxcare.els1
lua-rrd-dev
Fixed versions: 1.7.0-1build1+tuxcare.els1
python-rrdtool
Fixed versions: 1.7.0-1build1+tuxcare.els1
python3-rrdtool
Fixed versions: 1.7.0-1build1+tuxcare.els1
rrdcached
Fixed versions: 1.7.0-1build1+tuxcare.els1
rrdtool
Fixed versions: 1.7.0-1build1+tuxcare.els1
rrdtool-tcl
Fixed versions: 1.7.0-1build1+tuxcare.els1
ruby-rrd
Fixed versions: 1.7.0-1build1+tuxcare.els1
Complete source record
{
"id": "c7c0a9d161bc67080bf8d49bd74c20cc23969662d1188388000b54e902323cbb",
"url": "https://osv.dev/vulnerability/CLSA-2026-1787732471",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "Fix CVE(s): CVE-2026-43958",
"summary": "* SECURITY UPDATE: add safety guards for NULL, bounds, and zero-division checks - debian/patches/CVE-2026-43958.patch: add NULL, bounds, and zero-division safety checks in rrd_xport.c, rrd_graph.c, rrd_graph_helper.c and rrd_daemon.c - CVE-2026-43958",
"evidence": "osv:CLSA-2026-1787732471",
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{
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{
"name": {
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"affected_versions": []
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{
"name": {
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"evidence": "/affected/11/package/name"
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"prerequisites": [],
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],
"severity": "unknown",
"structured": {
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"aliases": [
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"package": {
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"database_specific": {
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"package": {
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"database_specific": {
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{
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],
"package": {
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"purl": "pkg:deb/tuxcare/librrdp-perl?distro=ubuntu-18.04",
"ecosystem": "TuxCare:Ubuntu:18.04"
},
"database_specific": {
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{
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"package": {
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"package": {
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"purl": "pkg:deb/tuxcare/lua-rrd?distro=ubuntu-18.04",
"ecosystem": "TuxCare:Ubuntu:18.04"
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"database_specific": {
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{
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"package": {
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"purl": "pkg:deb/tuxcare/lua-rrd-dev?distro=ubuntu-18.04",
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"database_specific": {
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"package": {
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"package": {
"name": "python3-rrdtool",
"purl": "pkg:deb/tuxcare/python3-rrdtool?distro=ubuntu-18.04",
"ecosystem": "TuxCare:Ubuntu:18.04"
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"database_specific": {
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],
"package": {
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"ecosystem": "TuxCare:Ubuntu:18.04"
},
"database_specific": {
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{
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"package": {
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},
"database_specific": {
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}
],
"modified": "2026-10-26T09:32:03.715544416Z",
"provider": "osv",
"upstream": [
"CVE-2026-43958"
],
"references": [
"https://errata.tuxcare.com/els_os/ubuntu18.04els/CLSA-2026-1787732471.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": 449543,
"published_at": "2026-08-26T08:21:28+00:00"
}