CVE-2026-88339 Null dereference in n/a

Medium 5.5 Published Updated

An attacker can cause a denial of service in GPAC by providing a crafted file that triggers a NULL pointer dereference during field cloning.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2026-88339?

CVE-2026-88339 is a medium-severity vulnerability in n/a, published on 22 Sep 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

A NULL pointer dereference vulnerability exists in the gf_sg_vrml_field_clone() function of GPAC 2d7da22e (26.08-DEV). The vulnerability occurs when cloning a PROTO default SFImage field with a NULL source pointer. An attacker can provide a specially crafted input file that triggers the condition, resulting in application crash and denial of service.

Weakness: CWE-476

Which versions are affected by CVE-2026-88339?

How do I fix CVE-2026-88339?

No fix has been published for CVE-2026-88339 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-88339 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-88339 exists.

Sources

Also known as GHSA-gphj-3jjc-cfmg, UBUNTU-CVE-2026-88339.

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