CVE-2026-75895 Out of bounds read at smpp34_unpack()
An out-of-bounds read in libsmpp34 allows attackers to cause memory corruption via crafted SMPP PDUs, potentially leading to code execution or crashes.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-75895?
CVE-2026-75895 is a high-severity memory corruption vulnerability in Osmocom libsmpp34, published on 18 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
In libsmpp35 from 0.1.0 through 1.8.0 out of bound read issue was found in the at smpp34_unpack() function via attacker controlled SMPP PDUs, leading to memory corruption.
Weakness: CWE-125
Which versions are affected by CVE-2026-75895?
How do I fix CVE-2026-75895?
Apply the vendor's patch.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2026-75895 being exploited?
There is no known exploitation of CVE-2026-75895 in the wild and no public exploit code.
Sources
Also known as DEBIAN-CVE-2026-75895, GHSA-fpm9-38vr-4gp8, UBUNTU-CVE-2026-75895.