CVE-2021-43612

Advisory lineage Upstream: 0 Downstream: 5
Modified
Published: 15 Apr 2023, 00:00
Last modified:13 Feb 2025, 16:28

Vulnerability Summary

Overall Risk (default)
medium
30/100
CVSS Score
7.5 HIGH
v3.1 (cve.org)
EPSS Score
0.18% LOW
0% probability +0.05%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

15 Apr 2023, 00:00
Published
Vulnerability first disclosed
13 Feb 2025, 16:28
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

EPSS Trends

Current EPSS score: 0.18%• Percentile: 39%

Techniques & Countermeasures

  • CWE-787•Out-of-bounds Write

    The product writes data past the end, or before the beginning, of the intended buffer.

Affected Systems

  • fedoraproject•fedora

    36 | 37 | 38

  • lldpd_project•lldpd

    < 1.0.13

References (6)