
CVE catalog
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 vulnera
- Severity
- High · CVSS 7.8
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 0.18% · Oct 25, 2026
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.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | rrdtool | sid | 1.9.0-2.1 | vulnerable |
| Debian | rrdtool | forky | 1.9.0-2.1 | vulnerable |
| Debian | rrdtool | trixie | 1.7.2-4.2 | vulnerable |
| Debian | rrdtool | bookworm | 1.7.2-4 | vulnerable |
| Cpe | rrdtool | Not reported | Not reported | vulnerable |
| Suse | rrdtool | linux enterprise server 16.0 | 1.9.0-160000.4.1 | fixed |
| Suse | rrdtool | linux enterprise server for sap applications 16.0 | 1.9.0-160000.4.1 | fixed |
| Suse | rrdtool | linux enterprise server 16.0 | 1.9.0-160000.4.1 | fixed |
| Suse | rrdtool | linux enterprise server for sap applications 16.0 | 1.9.0-160000.4.1 | fixed |
| Opensuse | rrdtool | leap 16.0 | 1.9.0-160000.4.1 | fixed |
| Suse | rrdtool | linux enterprise module for basesystem 15 sp7 | 1.8.0-150600.3.9.1 | fixed |
| Suse | rrdtool | linux enterprise server 15 sp6-ltss | 1.8.0-150600.3.9.1 | fixed |
| Suse | rrdtool | linux enterprise server for sap applications 15 sp6 | 1.8.0-150600.3.9.1 | fixed |
| Suse | rrdtool | linux enterprise high performance computing 15 sp4-espos | 1.7.0-150000.6.6.1 | fixed |
| Suse | rrdtool | linux enterprise high performance computing 15 sp4-ltss | 1.7.0-150000.6.6.1 | fixed |
| Suse | rrdtool | linux enterprise high performance computing 15 sp5-espos | 1.7.0-150000.6.6.1 | fixed |
| Suse | rrdtool | linux enterprise high performance computing 15 sp5-ltss | 1.7.0-150000.6.6.1 | fixed |
| Suse | rrdtool | linux enterprise server 15 sp4-ltss | 1.7.0-150000.6.6.1 | fixed |
| Suse | rrdtool | linux enterprise server 15 sp5-ltss | 1.7.0-150000.6.6.1 | fixed |
| Suse | rrdtool | linux enterprise server for sap applications 15 sp4 | 1.7.0-150000.6.6.1 | fixed |
| Suse | rrdtool | linux enterprise server for sap applications 15 sp5 | 1.7.0-150000.6.6.1 | fixed |
| Opensuse | rrdtool | tumbleweed | 1.10.3-1.1 | fixed |
| Ubuntu | rrdtool | 14.04 | 1.4.7-2ubuntu2 | vulnerable |
| Ubuntu | rrdtool | 14.04 | 1.4.7-2ubuntu3 | vulnerable |
| Ubuntu | rrdtool | 14.04 | 1.4.7-2ubuntu4 | vulnerable |
| Ubuntu | rrdtool | 14.04 | 1.4.7-2ubuntu5 | vulnerable |
| Ubuntu | rrdtool | 16.04 | 1.5.4-5 | vulnerable |
| Ubuntu | rrdtool | 16.04 | 1.5.5-1 | vulnerable |
| Ubuntu | rrdtool | 16.04 | 1.5.5-3 | vulnerable |
| Ubuntu | rrdtool | 16.04 | 1.5.5-3build1 | vulnerable |
| Ubuntu | rrdtool | 16.04 | 1.5.5-3build2 | vulnerable |
| Ubuntu | rrdtool | 16.04 | 1.5.5-4 | vulnerable |
| Ubuntu | rrdtool | 18.04 | 1.6.0-1ubuntu2 | vulnerable |
| Ubuntu | rrdtool | 18.04 | 1.7.0-0ubuntu4 | vulnerable |
| Ubuntu | rrdtool | 18.04 | 1.7.0-1 | vulnerable |
| Ubuntu | rrdtool | 18.04 | 1.7.0-1build1 | vulnerable |
| Ubuntu | rrdtool | 20.04 | 1.7.1-2 | vulnerable |
| Ubuntu | rrdtool | 20.04 | 1.7.2-1ubuntu2 | vulnerable |
| Ubuntu | rrdtool | 20.04 | 1.7.2-3 | vulnerable |
| Ubuntu | rrdtool | 20.04 | 1.7.2-3build1 | vulnerable |
| Ubuntu | rrdtool | 20.04 | 1.7.2-3build2 | vulnerable |
| Ubuntu | rrdtool | 22.04 | 1.7.2-3build6 | vulnerable |
| Ubuntu | rrdtool | 22.04 | 1.7.2-3ubuntu1 | vulnerable |
| Ubuntu | rrdtool | 22.04 | 1.7.2-3ubuntu2 | vulnerable |
| Ubuntu | rrdtool | 22.04 | 1.7.2-3ubuntu5 | vulnerable |
| Ubuntu | rrdtool | 22.04 | 1.7.2-3ubuntu6 | vulnerable |
| Ubuntu | rrdtool | 24.04 | 1.7.2-4ubuntu5 | vulnerable |
| Ubuntu | rrdtool | 24.04 | 1.7.2-4ubuntu6 | vulnerable |
| Ubuntu | rrdtool | 24.04 | 1.7.2-4ubuntu8 | vulnerable |
| Ubuntu | rrdtool | 24.04 | 1.7.2-4.1ubuntu2 | vulnerable |
| Ubuntu | rrdtool | 24.04 | 1.7.2-4.1ubuntu3 | vulnerable |
| Ubuntu | rrdtool | 25.10 | 1.7.2-4.2ubuntu2 | vulnerable |
| Ubuntu | rrdtool | 25.10 | 1.7.2-4.2ubuntu3 | vulnerable |
| Ubuntu | rrdtool | 26.04 | 1.7.2-4.2ubuntu3 | vulnerable |
| Ubuntu | rrdtool | 26.04 | 1.7.2-4.2ubuntu4 | vulnerable |
| Ubuntu | rrdtool | 26.04 | 1.9.0-2 | vulnerable |
| Ubuntu | rrdtool | 26.04 | 1.9.0-2build1 | vulnerable |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | rrdtool | source | sid | (unfixed) | not yet assigned | Not reported | [1140106] |
| Debian | rrdtool | source | forky | (unfixed) | not yet assigned | Not reported | [1140106] |
| Debian | rrdtool | source | trixie | (unfixed) | not yet assigned | Not reported | [1140106] |
| Debian | rrdtool | source | bookworm | (unfixed) | not yet assigned | Not reported | [1140106] |
| Suse | rrdtool | rpm | linux enterprise server 16.0 | 1.9.0-160000.4.1 | Not reported | SUSE-SU-2026:23141-1 | Not reported |
| Suse | rrdtool | rpm | linux enterprise server for sap applications 16.0 | 1.9.0-160000.4.1 | Not reported | SUSE-SU-2026:23141-1 | Not reported |
| Suse | rrdtool | rpm | linux enterprise server 16.0 | 1.9.0-160000.4.1 | Not reported | SUSE-SU-2026:23119-1 | Not reported |
| Suse | rrdtool | rpm | linux enterprise server for sap applications 16.0 | 1.9.0-160000.4.1 | Not reported | SUSE-SU-2026:23119-1 | Not reported |
| Opensuse | rrdtool | rpm | leap 16.0 | 1.9.0-160000.4.1 | Not reported | OPENSUSE-SU-2026:21525-1 | Not reported |
| Suse | rrdtool | rpm | linux enterprise module for basesystem 15 sp7 | 1.8.0-150600.3.9.1 | Not reported | SUSE-SU-2026:3468-1 | Not reported |
| Suse | rrdtool | rpm | linux enterprise server 15 sp6-ltss | 1.8.0-150600.3.9.1 | Not reported | SUSE-SU-2026:3468-1 | Not reported |
| Suse | rrdtool | rpm | linux enterprise server for sap applications 15 sp6 | 1.8.0-150600.3.9.1 | Not reported | SUSE-SU-2026:3468-1 | Not reported |
| Suse | rrdtool | rpm | linux enterprise high performance computing 15 sp4-espos | 1.7.0-150000.6.6.1 | Not reported | SUSE-SU-2026:3449-1 | Not reported |
| Suse | rrdtool | rpm | linux enterprise high performance computing 15 sp4-ltss | 1.7.0-150000.6.6.1 | Not reported | SUSE-SU-2026:3449-1 | Not reported |
| Suse | rrdtool | rpm | linux enterprise high performance computing 15 sp5-espos | 1.7.0-150000.6.6.1 | Not reported | SUSE-SU-2026:3449-1 | Not reported |
| Suse | rrdtool | rpm | linux enterprise high performance computing 15 sp5-ltss | 1.7.0-150000.6.6.1 | Not reported | SUSE-SU-2026:3449-1 | Not reported |
| Suse | rrdtool | rpm | linux enterprise server 15 sp4-ltss | 1.7.0-150000.6.6.1 | Not reported | SUSE-SU-2026:3449-1 | Not reported |
| Suse | rrdtool | rpm | linux enterprise server 15 sp5-ltss | 1.7.0-150000.6.6.1 | Not reported | SUSE-SU-2026:3449-1 | Not reported |
| Suse | rrdtool | rpm | linux enterprise server for sap applications 15 sp4 | 1.7.0-150000.6.6.1 | Not reported | SUSE-SU-2026:3449-1 | Not reported |
| Suse | rrdtool | rpm | linux enterprise server for sap applications 15 sp5 | 1.7.0-150000.6.6.1 | Not reported | SUSE-SU-2026:3449-1 | Not reported |
| Opensuse | rrdtool | rpm | tumbleweed | 1.10.3-1.1 | Not reported | OPENSUSE-SU-2026:11430-1 | Not reported |
Notes
[trixie] rrdtool: Minor issue [bookworm] rrdtool: Minor issue
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [librrd8]Affected
Source package: [rrdtool]
Details (2)
1.7.2-4+b8· amd64 · bookwormAffected
nvd · rrdtool · debian · bookworm; nvd · rrdtool · debian · 12
1.7.2-4+b8· arm64 · bookwormAffected
nvd · rrdtool · debian · bookworm; nvd · rrdtool · debian · 12
- [librrd-dev]Affected
Source package: [rrdtool]
Details (2)
1.7.2-4+b8· amd64 · bookwormAffected
nvd · rrdtool · debian · bookworm; nvd · rrdtool · debian · 12
1.7.2-4+b8· arm64 · bookwormAffected
nvd · rrdtool · debian · bookworm; nvd · rrdtool · debian · 12
- [librrdp-perl]Affected
Source package: [rrdtool]
Details (2)
1.7.2-4· all · bookwormAffected
nvd · rrdtool · debian · bookworm; nvd · rrdtool · debian · 12
1.7.2-4· all · bookwormAffected
nvd · rrdtool · debian · bookworm; nvd · rrdtool · debian · 12
- [librrds-perl]Affected
Source package: [rrdtool]
Details (2)
1.7.2-4+b8· amd64 · bookwormAffected
nvd · rrdtool · debian · bookworm; nvd · rrdtool · debian · 12
1.7.2-4+b8· arm64 · bookwormAffected
nvd · rrdtool · debian · bookworm; nvd · rrdtool · debian · 12
- [lua-rrd]Affected
Source package: [rrdtool]
Details (2)
1.7.2-4+b8· amd64 · bookwormAffected
nvd · rrdtool · debian · bookworm; nvd · rrdtool · debian · 12
1.7.2-4+b8· arm64 · bookwormAffected
nvd · rrdtool · debian · bookworm; nvd · rrdtool · debian · 12
- [lua-rrd-dev]Affected
Source package: [rrdtool]
Details (2)
1.7.2-4+b8· amd64 · bookwormAffected
nvd · rrdtool · debian · bookworm; nvd · rrdtool · debian · 12
1.7.2-4+b8· arm64 · bookwormAffected
nvd · rrdtool · debian · bookworm; nvd · rrdtool · debian · 12
- [python3-rrdtool]Affected
Source package: [rrdtool]
Details (2)
1.7.2-4+b8· amd64 · bookwormAffected
nvd · rrdtool · debian · bookworm; nvd · rrdtool · debian · 12
1.7.2-4+b8· arm64 · bookwormAffected
nvd · rrdtool · debian · bookworm; nvd · rrdtool · debian · 12
- [rrdcached]Affected
Source package: [rrdtool]
Details (2)
1.7.2-4+b8· amd64 · bookwormAffected
nvd · rrdtool · debian · bookworm; nvd · rrdtool · debian · 12
1.7.2-4+b8· arm64 · bookwormAffected
nvd · rrdtool · debian · bookworm; nvd · rrdtool · debian · 12
- [rrdtool]Affected
Source package: [rrdtool]
Details (2)
1.7.2-4+b8· amd64 · bookwormAffected
nvd · rrdtool · debian · bookworm; nvd · rrdtool · debian · 12
1.7.2-4+b8· arm64 · bookwormAffected
nvd · rrdtool · debian · bookworm; nvd · rrdtool · debian · 12
- [rrdtool-tcl]Affected
Source package: [rrdtool]
Details (2)
1.7.2-4+b8· amd64 · bookwormAffected
nvd · rrdtool · debian · bookworm; nvd · rrdtool · debian · 12
1.7.2-4+b8· arm64 · bookwormAffected
nvd · rrdtool · debian · bookworm; nvd · rrdtool · debian · 12
- [ruby-rrd]Affected
Source package: [rrdtool]
Details (2)
1.7.2-4+b8· amd64 · bookwormAffected
nvd · rrdtool · debian · bookworm; nvd · rrdtool · debian · 12
1.7.2-4+b8· arm64 · bookwormAffected
nvd · rrdtool · debian · bookworm; nvd · rrdtool · debian · 12
[Debian 13 (Trixie)]
- [librrd8t64]Affected
Source package: [rrdtool]
Details (2)
1.7.2-4.2+b5· amd64 · trixieAffected
nvd · rrdtool · debian · 13
1.7.2-4.2+b5· arm64 · trixieAffected
nvd · rrdtool · debian · 13
- [librrd-dev]Affected
Source package: [rrdtool]
Details (2)
1.7.2-4.2+b5· amd64 · trixieAffected
nvd · rrdtool · debian · 13
1.7.2-4.2+b5· arm64 · trixieAffected
nvd · rrdtool · debian · 13
- [librrdp-perl]Affected
Source package: [rrdtool]
Details (2)
1.7.2-4.2· all · trixieAffected
nvd · rrdtool · debian · 13
1.7.2-4.2· all · trixieAffected
nvd · rrdtool · debian · 13
- [librrds-perl]Affected
Source package: [rrdtool]
Details (2)
1.7.2-4.2+b5· amd64 · trixieAffected
nvd · rrdtool · debian · 13
1.7.2-4.2+b5· arm64 · trixieAffected
nvd · rrdtool · debian · 13
- [lua-rrd]Affected
Source package: [rrdtool]
Details (2)
1.7.2-4.2+b5· amd64 · trixieAffected
nvd · rrdtool · debian · 13
1.7.2-4.2+b5· arm64 · trixieAffected
nvd · rrdtool · debian · 13
- [lua-rrd-dev]Affected
Source package: [rrdtool]
Details (2)
1.7.2-4.2+b5· amd64 · trixieAffected
nvd · rrdtool · debian · 13
1.7.2-4.2+b5· arm64 · trixieAffected
nvd · rrdtool · debian · 13
- [python3-rrdtool]Affected
Source package: [rrdtool]
Details (2)
1.7.2-4.2+b5· amd64 · trixieAffected
nvd · rrdtool · debian · 13
1.7.2-4.2+b5· arm64 · trixieAffected
nvd · rrdtool · debian · 13
- [rrdcached]Affected
Source package: [rrdtool]
Details (2)
1.7.2-4.2+b5· amd64 · trixieAffected
nvd · rrdtool · debian · 13
1.7.2-4.2+b5· arm64 · trixieAffected
nvd · rrdtool · debian · 13
- [rrdtool]Affected
Source package: [rrdtool]
Details (2)
1.7.2-4.2+b5· amd64 · trixieAffected
nvd · rrdtool · debian · 13
1.7.2-4.2+b5· arm64 · trixieAffected
nvd · rrdtool · debian · 13
Observed:
References
- [https://ftp.suse.com/pub/projects/security/csaf/opensuse-su-2026_11430-1.json]
- [https://nvd.nist.gov/vuln/detail/CVE-2026-43958]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2026-43958]
- [https://osv.dev/vulnerability/SUSE-SU-2026:23119-1]
- [https://osv.dev/vulnerability/SUSE-SU-2026:23141-1]
- [https://osv.dev/vulnerability/SUSE-SU-2026:3449-1]
- [https://osv.dev/vulnerability/SUSE-SU-2026:3468-1]
- [https://osv.dev/vulnerability/UBUNTU-CVE-2026-43958]
- [https://osv.dev/vulnerability/openSUSE-SU-2026:11430-1]
- [https://osv.dev/vulnerability/openSUSE-SU-2026:21525-1]
- [https://security-tracker.debian.org/tracker/CVE-2026-43958]
- [https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-43958.json]
- [https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-2141.json]
[CERT-Bund public advisories] · [Debian Security Tracker] · [FIRST EPSS] · [National Vulnerability Database (NVD)] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]