CVE-2026-75421: n/a
Description
A stack-buffer-underflow vulnerability exists in aria2 version 1.37.0 and earlier in the IOFile::getLine() function. This vulnerability can cause a denial of service by crashing the application but does not impact confidentiality or integrity. No official patch or remediation information is currently available.
CVSS v3.1
Score 4.0medium
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-75421 describes a stack-buffer-underflow vulnerability in the IOFile::getLine() function of aria2 versions up to and including 1.37.0. This vulnerability is classified as CWE-121 (stack-based buffer underflow). The CVSS v3.1 base score is 4.0, indicating a medium severity with local attack vector, low complexity, no privileges required, no user interaction, and impact limited to availability (denial of service). There is no known exploit in the wild and no vendor advisory or patch information has been provided yet.
Potential Impact
The vulnerability can cause a denial of service by crashing the aria2 process due to stack-buffer underflow. There is no impact on confidentiality or integrity according to the CVSS vector. No known active exploitation has been reported.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, consider limiting local access to the affected software to trusted users only.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- mitre
- Date Reserved
- 2026-08-17T00:00:00.000Z
- State
- PUBLISHED
Threat ID: 6a8e042bacd9273b49b6a32c
Added to database: 08/25/2026, 21:07:55 UTC
Last enriched: 09/07/2026, 15:46:26 UTC
Last updated: 10/09/2026, 06:48:19 UTC
Views: 78
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