CVE-2026-107170 M17n-lib: null dereference in minput_open_im() after failed m17n_init()
A null pointer dereference in m17n-lib causes application crashes during input method initialization, leading to denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-107170?
CVE-2026-107170 is a low-severity vulnerability in Red Hat Enterprise Linux 10, published on 7 Oct 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A flaw was found in m17n-lib. A partial failure during library initialization can leave an internal driver pointer uninitialized. Under specific error conditions, such as system resource exhaustion or database corruption, an application attempting to open an input method dereferences this null pointer without proper validation. This issue causes the application to crash, resulting in a Denial of Service (DoS).
Weakness: CWE-476
Which versions are affected by CVE-2026-107170?
Linux distribution packages (1)
ibus-typing-booster openSUSE:Tumbleweed | All versions | 2.31.2-1.1 |
How do I fix CVE-2026-107170?
Apply the vendor's patch.
Is CVE-2026-107170 being exploited?
There is no known exploitation of CVE-2026-107170 in the wild and no public exploit code.
Sources
Also known as DEBIAN-CVE-2026-107170, GHSA-68gr-gg8g-xpjj, UBUNTU-CVE-2026-107170, openSUSE-SU-2026:12213-1.