CVE-2026-90707

תיאור (מקור, אנגלית)

A security flaw has been discovered in Open5GS up to 2.7.x. Affected is the function amf_nnrf_try_old_amf_discovery_fallback of the file src/amf/nnrf-handler.c of the component Old AMF Discovery Fallback. The manipulation of the argument discovery_option results in use after free. The attack may be performed from remote. The patch is identified as ddd683a35f8aaac2b7b9884a24cd53bddfc65238. Applying a patch is advised to resolve this issue.

מדדים

CVSS 3.1

8.3 (HIGH) מקור הציון: CNA CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L

CVSS 4.0

6.9 (MEDIUM) מקור הציון: CNA CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:L/SI:L/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS — סבירות ניצול

1% (אחוזון 000) נכון ל-2/10/2026

CWE

CWE-119, CWE-416

קישורים

• https://github.com/open5gs/open5gs/
• https://github.com/open5gs/open5gs/commit/ddd683a35f8aaac2b7b9884a24cd53bddfc6‮…
• https://github.com/open5gs/open5gs/pull/4698
• https://vuldb.com/cve/CVE-2026-90707
• https://vuldb.com/submit/918267
• https://vuldb.com/vuln/403249
• https://vuldb.com/vuln/403249/cti