CVE catalog
CVE-2023-41910
lldpd: CVE-2023-41910
- Severity
- Critical · CVSS 9.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 1.15% · Oct 25, 2026
An issue was discovered in lldpd before 1.0.17. By crafting a CDP PDU packet with specific CDP_TLV_ADDRESSES TLVs, a malicious actor can remotely force the lldpd daemon to perform an out-of-bounds read on heap memory. This occurs in cdp_decode in daemon/protocols/cdp.c.
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 | lldpd | sid | 1.0.23-1 | fixed |
| Debian | lldpd | forky | 1.0.22-1 | fixed |
| Debian | lldpd | trixie | 1.0.18-1 | fixed |
| Debian | lldpd | bookworm | 1.0.16-1+deb12u1 | fixed |
| Debian | lldpd | bookworm-security | 1.0.16-1+deb12u1 | fixed |
| Ubuntu | lldpd | 16.04 | 0.7.16-1 | vulnerable |
| Ubuntu | lldpd | 16.04 | 0.7.19-1 | vulnerable |
| Ubuntu | lldpd | 18.04 | 0.9.8-1 | vulnerable |
| Ubuntu | lldpd | 18.04 | 0.9.9-1 | vulnerable |
| Ubuntu | lldpd | 18.04 | 0.9.9-1ubuntu0.1 | vulnerable |
| Ubuntu | lldpd | 20.04 | 1.0.4-1 | vulnerable |
| Ubuntu | lldpd | 20.04 | 1.0.4-1build1 | vulnerable |
| Ubuntu | lldpd | 20.04 | 1.0.4-1build2 | vulnerable |
| Ubuntu | lldpd | 22.04 | 1.0.11-1 | vulnerable |
| Ubuntu | lldpd | 22.04 | 1.0.12-1 | vulnerable |
| Ubuntu | lldpd | 22.04 | 1.0.13-1 | vulnerable |
| Opensuse | lldpd | tumbleweed | 1.0.23-1.1 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | lldpd | source | sid | 1.0.17-1 | not yet assigned | Not reported | Not reported |
| Debian | lldpd | source | forky | 1.0.17-1 | not yet assigned | Not reported | Not reported |
| Debian | lldpd | source | trixie | 1.0.17-1 | not yet assigned | Not reported | Not reported |
| Debian | lldpd | source | bookworm | 1.0.16-1+deb12u1 | not yet assigned | Not reported | Not reported |
| Opensuse | lldpd | rpm | tumbleweed | 1.0.23-1.1 | Not reported | OPENSUSE-SU-2026:12272-1 | Not reported |
OpenFactory catalog packages
Matching against OpenFactory catalog package versions is in progress.
References
- [https://access.redhat.com/errata/RHSA-2024:9158]
- [https://cert-portal.siemens.com/productcert/csaf/ssa-625862.json]
- [https://ftp.suse.com/pub/projects/security/csaf/rhsa-2024_9158.json]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2023-41910]
- [https://osv.dev/vulnerability/DLA-3578-1]
- [https://osv.dev/vulnerability/DSA-5505-1]
- [https://osv.dev/vulnerability/UBUNTU-CVE-2023-41910]
- [https://osv.dev/vulnerability/openSUSE-SU-2026:12272-1]
- [https://security-tracker.debian.org/tracker/CVE-2023-41910]
[CISA cybersecurity advisories] · [Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]