UBUNTU-CVE-2021-43612

Advisory lineage Upstream: 1 Downstream: 0
Upstream
CVE-2021-43612
Published: 15 Apr 2023, 22:15
Last modified:20 May 2026, 16:05

Vulnerability Summary

Overall Risk (default)
medium
30/100
CVSS Score
7.5 HIGH
3.1 (osv_ubuntu)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

15 Apr 2023, 22:15
Published
Vulnerability first disclosed
20 May 2026, 16:05
Last Modified
Vulnerability information updated

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.

CVSS Metrics

  • v3.1•HIGH•Score: 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected Systems

  • ubuntu•lldpd

    all | all | all | all | all | all | all

References (2)