CVE-2026-105273 J4Care dcm4che Loop with Unreachable Exit Condition
Attackers can cause a denial of service in dcm4chee-arc-light by sending malformed MP4 files that trigger an infinite parsing loop.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-105273?
CVE-2026-105273 is a high-severity denial of service vulnerability in J4Care dcm4chee-arc-light, published on 16 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
MP4Parser does not adequately validate MP4 box sizes. A malformed box can cause parsing to make no forward progress and repeatedly process the same input.
Weakness: CWE-835
Which versions are affected by CVE-2026-105273?
How do I fix CVE-2026-105273?
No fix has been published for CVE-2026-105273 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2026-105273 being exploited?
There is no known exploitation of CVE-2026-105273 in the wild and no public exploit code.