Description
In lldpd before 1.0.13, when decoding SONMP packets in the sonmp_decode function, it's possible to trigger an out-of-bounds heap read via short SONMP packets.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | lldpd | 1.0.13-1 | — |
| Debian 13 | lldpd | 1.0.13-1 | — |
| Debian 12 | lldpd | 1.0.13-1 | — |
| Debian 10 | lldpd | 1.0.3-1+deb10u1 | DLA-3389-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.10 | lldpd | No fix yet | — |
| Ubuntu 26.04 LTS | lldpd | No fix yet | — |
| Ubuntu 25.10 | lldpd | No fix yet | — |
| Ubuntu 24.04 LTS | lldpd | No fix yet | — |
| Ubuntu 22.04 LTS | lldpd | No fix yet | — |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 20.04 LTS | lldpd | No fix yet | — |
| Ubuntu 18.04 LTS | lldpd | No fix yet | — |
| Ubuntu 16.04 LTS | lldpd | No fix yet | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 9 | lldpd +1 | 1.0.18-4.el9 | RHSA-2024:9158 |
AlmaLinux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux 9 | lldpd +1 | 1.0.18-4.el9 | ALSA-2024:9158 |
Rocky Linux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Rocky Linux 9 | lldpd | 1.0.18-4.el9 | RLSA-2024:9158 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | lldpd | 1.0.13-1.1 | openSUSE-SU-2024:11635-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | lldpd | 1.0.13-r0 | — |
| Alpine v3.23 | lldpd | 1.0.13-r0 | — |
| Alpine v3.22 | lldpd | 1.0.13-r0 | — |
| Alpine v3.21 | lldpd | 1.0.13-r0 | — |
| Alpine v3.20 | lldpd | 1.0.13-r0 | — |
Show 6 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.19 | lldpd | 1.0.13-r0 | — |
| Alpine v3.18 | lldpd | 1.0.13-r0 | — |
| Alpine v3.17 | lldpd | 1.0.13-r0 | — |
| Alpine v3.16 | lldpd | 1.0.13-r0 | — |
| Alpine v3.15 | lldpd | 1.0.13-r0 | — |
| Alpine v3.14 | lldpd | 1.0.13-r0 | — |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 9 | lldpd +1 | 1.0.18-4.el9 | ELSA-2024-9158 |
Advisories 6
- ALSA-2024:9158 Moderate: lldpd security update AlmaLinux Security Advisories · Oct 29, 2026
- RHSA-2024:9158 Red Hat Security Advisory: lldpd security update Red Hat Security Advisories (RHSA) · Aug 7, 2026
- DLA-3389-1 lldpd - security update Debian Security (DSA / DLA) · Mar 9, 2026
- RLSA-2024:9158 Moderate: lldpd security update Rocky Linux Security Advisories · Feb 5, 2026
- openSUSE-SU-2024:11635-1 liblldpctl4-1.0.13-1.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- ELSA-2024-9158 Moderate: lldpd security update (Oracle Linux 9) Oracle Linux Security Advisories (ELSA) · Nov 14, 2024