CVE-2026-112094 michaelrsweet mxml mxml-file.c mxml_load_data use after free
A use-after-free vulnerability in the mxml library allows remote attackers to potentially execute code or cause denial of service via crafted input.
- 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
- Available
What is CVE-2026-112094?
CVE-2026-112094 is a medium-severity use after free vulnerability in michaelrsweet mxml, published on 19 Oct 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 security vulnerability has been detected in michaelrsweet mxml 4.0.5/4.0.6. This affects the function mxml_load_data of the file mxml-file.c. The manipulation leads to use after free. The attack is possible to be carried out remotely. The exploit has been disclosed publicly 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-2026-112094?
How do I fix CVE-2026-112094?
No fix published yet.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is CVE-2026-112094 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-112094 exists.
Sources
Also known as DEBIAN-CVE-2026-112094, GHSA-2m37-39hv-427w, UBUNTU-CVE-2026-112094.