Open5GS AMF namf-handler.c amf_namf_comm_decode_ue_mm_context_list memory corruption
33Vexday Risk Score
No sign of exploitation. It has a public proof of concept.
ssvc Attendcvss 5.3epss 0.5%
exploitation probability
0.5%top 57% of all CVEs
observed exploitation
nono source reports it
1 public exploit(s)
A vulnerability was determined in Open5GS up to 2.7.7. This vulnerability affects the function amf_namf_comm_decode_ue_mm_context_list of the file src/amf/namf-handler.c of the component AMF. This manipulation of the argument ueContext.mmContextList[*].allowedNssai causes memory corruption. The attack can be initiated remotely. The exploit has been publicly disclosed and may be utilized. Upgrading to version 2.8.0 is able to resolve this issue. Patch name: abf8a836564b966b5141110fc25ed413c4f17522. It is recommended to upgrade the affected component.
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P
Affected products
n/a · Open5GSpublic PoCs found — 1
cve_referencegithub.com/open5gs/open5gs/issues/4398unverified⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
References
https://github.com/open5gs/open5gs/https://github.com/open5gs/open5gs/commit/abf8a836564b966b5141110fc25ed413c4f17522https://github.com/open5gs/open5gs/issues/4398https://github.com/open5gs/open5gs/releases/tag/v2.8.0https://vuldb.com/cve/CVE-2026-82587https://vuldb.com/submit/891890https://vuldb.com/vuln/397082https://vuldb.com/vuln/397082/cti