CVE-2021-43612
Fixed in a distro release EPSS 1%CVSS 7.5
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.
Products: lldpd_project lldpd, fedoraproject fedora
Distro releases
| Release | Package | Fixed in |
|---|---|---|
| AlmaLinux 9 | lldpd | 1.0.18-4.el9 |
| AlmaLinux 9 | lldpd-devel | 1.0.18-4.el9 |
| Debian 10 | lldpd | 1.0.3-1+deb10u1 |
| Debian 12 | lldpd | 1.0.13-1 |
| Debian 13 | lldpd | 1.0.13-1 |
| Debian 14 | lldpd | 1.0.13-1 |
| Red Hat Enterprise Linux 9 | lldpd | 0:1.0.18-4.el9 |
| Red Hat Enterprise Linux 9 | lldpd-debuginfo | 0:1.0.18-4.el9 |
| Red Hat Enterprise Linux 9 | lldpd-debugsource | 0:1.0.18-4.el9 |
| Red Hat Enterprise Linux 9 | lldpd-devel | 0:1.0.18-4.el9 |
| Rocky Linux 9 | lldpd | 0:1.0.18-4.el9 |
| Ubuntu 16.04 LTS | lldpd | no fix |
| Ubuntu 18.04 LTS | lldpd | no fix |
| Ubuntu 20.04 LTS | lldpd | no fix |
| Ubuntu 22.04 LTS | lldpd | no fix |
| Ubuntu 24.04 LTS | lldpd | no fix |
| Ubuntu 25.10 | lldpd | no fix |
| Ubuntu 26.04 LTS | lldpd | no fix |
| Ubuntu 26.10 | lldpd | no fix |
| openSUSE Tumbleweed | lldpd | 1.0.13-1.1 |