CVE-2021-40540
9.8 CRITICALulfius_uri_logger in Ulfius HTTP Framework before 2.7.4 omits con_info initialization and a con_info->request NULL check for certain malf...
Published: 2021-09-07 · Last updated: 2026-06-17
Severity and scoring
- CVSS
- 9.8 CRITICAL
- Vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected products
| Vendor | Product |
|---|---|
| ulfius_project | ulfius |
Description
ulfius_uri_logger in Ulfius HTTP Framework before 2.7.4 omits con_info initialization and a con_info->request NULL check for certain malformed HTTP requests.
Source: NVD
References
- [NVD]https://nvd.nist.gov/vuln/detail/CVE-2021-40540
- [Exploit reference]http://packetstormsecurity.com/files/164152/Ulfius-Web-Framework-Remote-Memory-Corruption.html
- [Patch]https://github.com/babelouest/ulfius/commit/c83f564c184a27145e07c274b305cabe943bbfaa
- [Patch]https://github.com/babelouest/ulfius/compare/v2.7.3...v2.7.4
- [Exploit reference]http://packetstormsecurity.com/files/164152/Ulfius-Web-Framework-Remote-Memory-Corruption.html
- [Patch]https://github.com/babelouest/ulfius/commit/c83f564c184a27145e07c274b305cabe943bbfaa
- [Patch]https://github.com/babelouest/ulfius/compare/v2.7.3...v2.7.4