CVE-2026-88369 Memory corruption in n/a
A buffer overflow in the jsmn JSON parser's example code allows attackers to execute arbitrary code or cause 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-2026-88369?
CVE-2026-88369 is a high-severity memory corruption vulnerability in n/a, published on 24 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
zserge jsmn commit 25647e6 is vulnerable to Buffer Overflow in example/jsondump.c dump().
Weakness: CWE-125
Which versions are affected by CVE-2026-88369?
How do I fix CVE-2026-88369?
No fix has been published for CVE-2026-88369 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-2026-88369 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-88369 exists.
Sources
Also known as DEBIAN-CVE-2026-88369, GHSA-44gx-vjqj-w54m, UBUNTU-CVE-2026-88369.