Buffer overflow in Lldpd_project Lldpd
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.
Vulnerability class: Buffer Overflow
EPSS: 0.011 (62.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Lldpd_project Lldpd
- Fedoraproject Fedora — versions 36, 37, 38
- N/a — versions n/a
Weakness classification (CWE)
References
- cve@mitre.org (Patch, Third Party Advisory)
- cve@mitre.org (Patch)
- cve@mitre.org (Patch, Release Notes)
- cve@mitre.org (vendor-advisory)
- cve@mitre.org (vendor-advisory)
- cve@mitre.org (vendor-advisory)
Frequently asked questions
- What is CVE-2021-43612?
- CVE-2021-43612 is a high-severity vulnerability in Lldpd_project Lldpd, classified under Out-of-bounds Write. CVSS score: 7.5/10. Published 2023-04-15.
- How severe is CVE-2021-43612?
- High severity. CVSS v3 base score is 7.5 out of 10.