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aria2 vulnerabilities
3 known CVE vulnerabilities in aria2, translated and rated.
- CVE-2026-75421Low risk· EPSS 5%
Stack-buffer-underflow vulnerability in the IOFile::getLine() function in aria2 <=1.37.0.
- CVE-2026-71832Medium
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.
- CVE-2026-8367Medium
aria2c accepts a server certificate with incorrect Extended Key Usage (EKU). If the attackers compromise a certificate (with the associated private key) issued for a different purpose, they may be able to reuse it for TLS server authentication.