CVE-2021-43612: 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.

PriorityP337high7.5CVSS 3.1

AVNACLPRNUINSUCNINAH

EPSS

1.14%

63.1th percentile

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.

Affected

9 ranges

Vendor	Product	Version range	Fixed in
debian	lldpd	< lldpd 1.0.13-1 (bookworm)	lldpd 1.0.13-1 (bookworm)
fedoraproject	fedora	—	—
fedoraproject	fedora	—	—
fedoraproject	fedora	—	—
lldpd_project	lldpd	< 1.0.13	1.0.13
lldpd_project	lldpd	>= 0 < 1.0.11-1+deb11u1	1.0.11-1+deb11u1
lldpd_project	lldpd	>= 0 < 1.0.13-1	1.0.13-1
lldpd_project	lldpd	>= 0 < 1.0.13-1	1.0.13-1
lldpd_project	lldpd	>= 0 < 1.0.13-1	1.0.13-1

CVSS provenance

nvdv3.17.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

osv7.5HIGH

vendor_debian7.5HIGH

vendor_redhat7.5HIGH

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