CVE-2026-4015 GPAC TeXML File load_text.c txtin_process_texml stack-based overflow
A stack-based buffer overflow in GPAC's TeXML parser allows local attackers to execute arbitrary code or cause denial of service via crafted files.
- 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-2026-4015?
CVE-2026-4015 is a medium-severity memory corruption vulnerability in GPAC, 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 weakness has been identified in GPAC 26.03-DEV. Affected is the function txtin_process_texml of the file src/filters/load_text.c of the component TeXML File Parser. Executing a manipulation can lead to stack-based buffer overflow. It is possible to launch the attack on the local host. The exploit has been made available to the public and could be used for attacks. This patch is called d29f6f1ada5cc284cdfa783b6f532c7d8bd049a5. Applying a patch is advised to resolve this issue.
Which versions are affected by CVE-2026-4015?
How do I fix CVE-2026-4015?
No fix has been published for CVE-2026-4015 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-2026-4015 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-4015 exists.
Sources
Also known as DEBIAN-CVE-2026-4015, GHSA-vj6f-22mx-v35f, UBUNTU-CVE-2026-4015.