Kamailio AVP cxdx_avp.c get_4bytes out-of-bounds
33Vexday Risk Score
No sign of exploitation. It has a public proof of concept.
ssvc Attendcvss 5.3epss 0.4%
exploitation probability
0.4%top 68% of all CVEs
observed exploitation
nono source reports it
1 public exploit(s)
A vulnerability was determined in Kamailio up to 5.5.0/6.0.7. This affects the function get_4bytes of the file src/modules/ims_registrar_scscf/cxdx_avp.c of the component AVP Handler. Executing a manipulation can lead to out-of-bounds read. The attack may be performed from remote. The exploit has been publicly disclosed and may be utilized. This patch is called abb5d60af6eefbd367bf6588c5589566b090e272. It is advisable to implement a patch to correct this issue. The vendor points out, that "[v]ersion 5.5.0 is old and not maintained anymore."
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:L/SI:L/SA:L/E:P
Affected products
n/a · Kamailiopublic PoCs found — 1
cve_referencegithub.com/kamailio/kamailio/issues/4816unverified⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
References
https://github.com/kamailio/kamailio/https://github.com/Kamailio/Kamailio/commit/abb5d60af6eefbd367bf6588c5589566b090e272https://github.com/kamailio/kamailio/issues/4816https://github.com/Kamailio/Kamailio/pull/4823https://vuldb.com/cve/CVE-2026-82608https://vuldb.com/submit/892903https://vuldb.com/vuln/397109https://vuldb.com/vuln/397109/cti