What is CVE-2025-29632?

CVE-2025-29632 is a medium-severity vulnerability in Free5gc, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 5.4/10. Published 2025-05-29.

How severe is CVE-2025-29632?

Medium severity. CVSS v3 base score is 5.4 out of 10.

Is CVE-2025-29632 known to be exploited?

3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in Free5gc

CVE-2025-29632

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

Vulnerability class: Buffer Overflow

EPSS: 0.003 (23.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N.

Affected products

Free5gc — versions 4.0.0
N/a — versions n/a

Weakness classification (CWE)

CWE-120 — Buffer Copy without Checking Size of Input (Classic Buffer Overflow)

Public proof-of-concept exploits

References

cve@mitre.org (Exploit, Issue Tracking)
cve@mitre.org (Third Party Advisory)

Frequently asked questions

What is CVE-2025-29632?: CVE-2025-29632 is a medium-severity vulnerability in Free5gc, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 5.4/10. Published 2025-05-29.
How severe is CVE-2025-29632?: Medium severity. CVSS v3 base score is 5.4 out of 10.
Is CVE-2025-29632 known to be exploited?: 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.