CVE-2025-15176 Open5GS PFCP Session Establishment Request rule-match.c ogs_pfcp_pdr_rule_find_by_packet assertion
Remote attackers can trigger a reachable assertion in Open5GS PFCP handling, causing a denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-15176?
CVE-2025-15176 is a medium-severity denial of service vulnerability in Open5gs Open5gs, published on 29 Dec 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A flaw has been found in Open5GS up to 2.7.5. This affects the function decode_ipv6_header/ogs_pfcp_pdr_rule_find_by_packet of the file lib/pfcp/rule-match.c of the component PFCP Session Establishment Request Handler. Executing a manipulation can lead to reachable assertion. It is possible to launch the attack remotely. The exploit has been published and may be used. This patch is called b72d8349980076e2c033c8324f07747a86eea4f8. Applying a patch is advised to resolve this issue.
Weakness: CWE-617
Which versions are affected by CVE-2025-15176?
It affects 1 product.
Products include Open5gs Open5gs.
How do I fix CVE-2025-15176?
No fix has been published for CVE-2025-15176 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2025-15176 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-15176 exists.
Other vulnerabilities in Open5gs Open5gs
Sources
Also known as GHSA-229x-w52j-6f5m.