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Status published
Unknown
CVE-2021-43612
In lldpd before 1.0.13, when decoding SONMP packets in the...
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- https://lldpd.github.io/security.html
- https://github.com/lldpd/lldpd/commit/73d42680fce8598324364dbb31b9bc3b8320adf7
- https://github.com/lldpd/lldpd/compare/1.0.12...1.0.13
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JYA4AMJXCNF6UPFG36L2TPPT32C242SP/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3T5XHPOGIPWCRRPJUE6P3HVC5PTSD5JS/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SKQWHG2SZJZSGC7PXVDAEJYBN7ESDR7D/
Affected Vendor
lldpd project
View all reports →Affected Software
lldpd, fedora
Vulnerable Versions:
0, 36, 37, 38
Timeline
Official Publish:
April 15th, 2023
Last Modified:
February 13th, 2025
Added to House:
July 21st, 2026
CVSS Vectors
No vector data available
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.