CVE-2026-19955 TrailDB TOC Validation tdb.c tdb_open out-of-bounds
A remote attacker can trigger an out-of-bounds read in TrailDB's tdb_open function, potentially causing denial of service or information disclosure.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-19955?
CVE-2026-19955 is a medium-severity memory corruption vulnerability in TrailDB, published on 16 Aug 2026. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
A vulnerability was detected in TrailDB 0.6. Impacted is the function tdb_open of the file /src/tdb.c of the component TOC Validation. The manipulation results in out-of-bounds read. It is possible to launch the attack remotely. The exploit is now public and may be used. The project was informed of the problem early through an issue report but has not responded yet.
Which versions are affected by CVE-2026-19955?
How do I fix CVE-2026-19955?
No fix has been published for CVE-2026-19955 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-2026-19955 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-19955 exists.
Sources
Also known as GHSA-3r54-xjq4-jwjm.