CVE-2026-71832 Denial of service in n/a

Medium 6.2 Published Updated

A remote attacker can cause a denial of service in Aria2 via a divide-by-zero error in the BitTorrent helper.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-71832?

CVE-2026-71832 is a medium-severity denial of service vulnerability in n/a, published on 24 Aug 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Aria2 version 1.37.0 and below is affected by a Divide By Zero issue in src/bittorrent_helper.cc, which allows a remote malicious user to cause a Denial of Service

Weakness: CWE-369

Which versions are affected by CVE-2026-71832?

How do I fix CVE-2026-71832?

No fix has been published for CVE-2026-71832 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-2026-71832 being exploited?

There is no known exploitation of CVE-2026-71832 in the wild and no public exploit code.

Sources

Also known as DEBIAN-CVE-2026-71832, GHSA-f585-rhpf-c5rw, UBUNTU-CVE-2026-71832.

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