CVEvulnerability
CVE-2023-34188
7.5 HIGH
Official page ↗
- Status
- Modified
- Published
- 2023-06-23
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Weaknesses
- CWE-1284
Description
The HTTP server in Mongoose before 7.10 accepts requests containing negative Content-Length headers. By sending a single attack payload over TCP, an attacker can cause an infinite loop in which the server continuously reparses that payload, and does not respond to any other requests.
Affected configurations
• cesanta mongoose (< 7.10)
Related
Weakness · CWE (1)
- CWE-1284 Improper Validation of Specified Quantity in Input weakness
References
- https://blog.narfindustries.com/blog/narf-discovers-critical-vulnerabilities-in-cesanta-mongoose-http-server blog.narfindustries.com
- https://github.com/cesanta/mongoose/commit/4663090a8fb036146dfe77718cff612b0101cb0f Patch
- https://github.com/cesanta/mongoose/compare/7.9...7.10 Release Notes
- https://github.com/cesanta/mongoose/pull/2197 Patch
- https://blog.narfindustries.com/blog/narf-discovers-critical-vulnerabilities-in-cesanta-mongoose-http-server blog.narfindustries.com
- https://github.com/cesanta/mongoose/commit/4663090a8fb036146dfe77718cff612b0101cb0f Patch
- https://github.com/cesanta/mongoose/compare/7.9...7.10 Release Notes
- https://github.com/cesanta/mongoose/pull/2197 Patch
- https://security.netapp.com/advisory/ntap-20250228-0001/ security.netapp.com