CVE-2020-37182
Redir 3.3 - Denial of Service
- State
- Published
- Severity
- 8.7 High
- Published
- Feb 11, 2026
- Updated
- Feb 12, 2026
- Reserved
- Feb 10, 2026
Description
Redir 3.3 contains a stack overflow vulnerability in the doproxyconnect() function that allows attackers to crash the application by sending oversized input. Attackers can exploit the sprintf() buffer without proper length checking to overwrite memory and cause a segmentation fault, resulting in program termination.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 8.7 High | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N | VulnCheck |
| 3.1 | 7.5 High | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H | VulnCheck |
Weaknesses
- CWE-121 Stack-based Buffer Overflow
Affected Products
| Product | Versions |
|---|---|
Redirtroglobit |
|
References
- ExploitDB-47919exploit
- Redir Project GitHub Repositoryproduct
- VulnCheck Advisory: Redir 3.3 - Denial of Servicethird-party-advisory
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