CVE-2026-4010 ThakeeNathees pocketlang pkByteBufferAddString memory corruption
Local attackers can trigger memory corruption in pocketlang via integer overflow in pkByteBufferAddString, potentially leading to code execution or crashes.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-4010?
CVE-2026-4010 is a medium-severity memory corruption vulnerability in ThakeeNathees pocketlang, published on 12 Mar 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A vulnerability was found in ThakeeNathees pocketlang up to cc73ca61b113d48ee130d837a7a8b145e41de5ce. The affected element is the function pkByteBufferAddString. The manipulation of the argument length with the input 4294967290 results in memory corruption. The attack requires a local approach. The exploit has been made public and could be used. This product does not use versioning. This is why information about affected and unaffected releases are unavailable. The project was informed of the problem early through an issue report but has not responded yet.
Weakness: CWE-119
Which versions are affected by CVE-2026-4010?
How do I fix CVE-2026-4010?
No fix has been published for CVE-2026-4010 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-2026-4010 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-4010 exists.
Sources
Also known as GHSA-5gjx-6c5v-frf5.