Vulnerability · Published Aug 24, 2026 · Assigned by mitre
CVE-2026-71832
Medium 6.2
In plain English
A medium-severity security flaw in the aria2 package (Debian). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 5% of all known vulnerabilities).
Severity (CVSS 3.1)6.2Medium
Exploit odds (30 days)0.2%top 95.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
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
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | aria2 | no fix listed | DEBIAN-CVE-2026-71832 |
| Debian:13 | aria2 | no fix listed | DEBIAN-CVE-2026-71832 |
| Debian:14 | aria2 | no fix listed | DEBIAN-CVE-2026-71832 |
| Ubuntu:22.04:LTS | aria2 | no fix listed | UBUNTU-CVE-2026-71832 |
| Ubuntu:24.04:LTS | aria2 | no fix listed | UBUNTU-CVE-2026-71832 |
| Ubuntu:26.04:LTS | aria2 | no fix listed | UBUNTU-CVE-2026-71832 |
| Ubuntu:26.10 | aria2 | no fix listed | UBUNTU-CVE-2026-71832 |
Affected products (as reported)
Weakness: CWE-369 · Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H