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CVE-2026-4531: Improper Resource Shutdown or Release

🗓️ 22 Mar 2026 00:00:00Reported by Rapid7Type 
rapid7
 rapid7
🔗 www.rapid7.com👁 5 Views

Remote DoS in Free5GC 4.1.0 AMF via improper resource release in HandleRegistrationComplete.

Related
Refs
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2026-4531
22 Mar 202601:32
–attackerkb
circl
Circl
CVE-2026-4531
22 Mar 202604:25
–circl
cnnvd
CNNVD
free5GC security vulnerabilities
22 Mar 202600:00
–cnnvd
cve
CVE
CVE-2026-4531
22 Mar 202601:32
–cve
cvelist
Cvelist
CVE-2026-4531 Free5GC AMF handler.go HandleRegistrationComplete denial of service
22 Mar 202601:32
–cvelist
euvd
EUVD
EUVD-2026-14264
22 Mar 202601:32
–euvd
github
Github Security Blog
Free5GC AMF is vulnerable to DoS through its HandleRegistrationComplete function
22 Mar 202603:30
–github
mend
Mend
CVE-2026-4531
22 Mar 202601:32
–mend
nvd
NVD
CVE-2026-4531
22 Mar 202602:15
–nvd
osv_cve
osv_cve
CVE-2026-4531 Free5GC AMF handler.go HandleRegistrationComplete denial of service
22 Mar 202601:32
–osv_cve
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24 Apr 2026 00:00Current
5.9Medium risk
Vulners AI Score5.9
CVSS 3.15.3
CVSS 46.9
CVSS 25
CVSS 35.3
EPSS0.00435
SSVC
5