OSV-2025-226 UNKNOWN READ in extract_sess_version
An unknown read vulnerability in the SDP session extraction function can cause a crash, potentially leading to 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 OSV-2025-226?
OSV-2025-226 is a memory corruption vulnerability in kamailio, published on 21 Mar 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=404844413
Crash type: UNKNOWN READ
Crash state:
extract_sess_version
parse_sdp_session
parse_mixed_content
Which versions are affected by OSV-2025-226?
1 open source package ship an affected version, including kamailio.
| Package | Affected | Fixed in |
|---|---|---|
kamailio OSS-Fuzz | All versions | None |
How do I fix OSV-2025-226?
No fix has been published for OSV-2025-226 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 OSV-2025-226 being exploited?
There is no known exploitation of OSV-2025-226 in the wild and no public exploit code.