vulnerability
Red Hat: CVE-2021-43612: lldpd: out-of-bounds read when decoding SONMP packets (Multiple Advisories)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 7 | (AV:A/AC:L/Au:S/C:C/I:N/A:C) | Apr 15, 2023 | Nov 13, 2024 | Sep 1, 2025 |
Severity
7
CVSS
(AV:A/AC:L/Au:S/C:C/I:N/A:C)
Published
Apr 15, 2023
Added
Nov 13, 2024
Modified
Sep 1, 2025
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.
Solutions
no-fix-redhat-rpm-packageredhat-upgrade-lldpdredhat-upgrade-lldpd-debuginforedhat-upgrade-lldpd-debugsourceredhat-upgrade-lldpd-devel
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