CVE-2026-75892 Out of bounds write in PDP ctx GSN-Address decode

Medium 6.5 Published Updated

An out-of-bounds write in osmo-ggsn allows attackers to cause memory corruption, potentially leading to code execution or service disruption.

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-2026-75892?

CVE-2026-75892 is a medium-severity memory corruption vulnerability in Osmocom osmo-ggsn, 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 osmo-ggsn 1.14.0 an out of bounds write issue was found in the gtp_decode_pdp_ctx() function through the PDP context GSN-Address sub-field, leading to memory corruption.

Weakness: CWE-787

Which versions are affected by CVE-2026-75892?

How do I fix CVE-2026-75892?

No fix has been published for CVE-2026-75892 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-2026-75892 being exploited?

There is no known exploitation of CVE-2026-75892 in the wild and no public exploit code.

Sources

Also known as GHSA-mp35-rp3g-prrg, UBUNTU-CVE-2026-75892.

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