CVE-2025-29632 Memory corruption in n/a

What is CVE-2025-29632?

CVE-2025-29632 is a medium-severity memory corruption vulnerability in Free5gc Free5gc, published on 29 May 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Buffer Overflow vulnerability in Free5gc v.4.0.0 allows a remote attacker to cause a denial of service via the AMF, NGAP, security.go, handler_generated.go, handleInitialUEMessageMain, DecodePlainNasNoIntegrityCheck, GetSecurityHeaderType components

Weakness: CWE-120

Which versions are affected by CVE-2025-29632?

It affects 1 product.

Products include Free5gc Free5gc.

How do I fix CVE-2025-29632?

No fix has been published for CVE-2025-29632 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2025-29632 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-29632 exists.

Public exploit code: 1 proofs of concept on GitHub.

Other vulnerabilities in Free5gc Free5gc

• CVE-2026-44327 free5GC: NEF nnef-oam route group is unauthenticated; no-token requests reach the OAM handler Critical 10.0
• CVE-2026-44329 free5GC's SMF UPI management interface lacks auth middleware; unauthenticated topology read/write requests reach handlers Critical 10.0
• CVE-2026-44330 free5GC's NEF nnef-pfdmanagement API is unauthenticated; forged bearer tokens can read PFD data and create/delete PFD subscriptions Critical 10.0
• CVE-2025-63679 Memory corruption in n/a Critical 9.8
• CVE-2026-44315 free5GC's NEF 3gpp-pfd-management API is unauthenticated; forged bearer tokens can create, read, and delete PFD transactions Critical 9.4

All Free5gc Free5gc vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-833m-w7v5-7fgm.