High severity7.5NVD Advisory· Published Apr 15, 2023· Updated Jun 17, 2026
CVE-2021-43612
CVE-2021-43612
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
9cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:*+ 2 more
- cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:38:*:*:*:*:*:*:*
- lldpd/lldpddescription
- osv-coords3 versionspkg:rpm/almalinux/lldpdpkg:rpm/almalinux/lldpd-develpkg:rpm/opensuse/lldpd&distro=openSUSE%20Tumbleweed
< 1.0.18-4.el9+ 2 more
- (no CPE)range: < 1.0.18-4.el9
- (no CPE)range: < 1.0.18-4.el9
- (no CPE)range: < 1.0.13-1.1
Patches
Vulnerability mechanics
References
6- github.com/lldpd/lldpd/commit/73d42680fce8598324364dbb31b9bc3b8320adf7nvdPatch
- github.com/lldpd/lldpd/compare/1.0.12...1.0.13nvdPatchRelease Notes
- lldpd.github.io/security.htmlnvdPatchThird Party Advisory
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3T5XHPOGIPWCRRPJUE6P3HVC5PTSD5JS/nvd
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JYA4AMJXCNF6UPFG36L2TPPT32C242SP/nvd
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SKQWHG2SZJZSGC7PXVDAEJYBN7ESDR7D/nvd
News mentions
0No linked articles in our index yet.