#VU82969 Inconsistent interpretation of HTTP requests in Gevent

Published: 2023-11-10

Vulnerability identifier: #VU82969

Vulnerability risk: Medium

CVSSv3.1: 5.3 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-41419


Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Universal components / Libraries / Programming Languages & Components

Vendor: gevent.org


The vulnerability allows a remote attacker to perform HTTP request smuggling attacks.

The vulnerability exists due to improper validation of HTTP requests within keep-alive connection. A remote attacker can send several HTTP request to the server, bypass implemented filtration and smuggle arbitrary HTTP requests to the library.

Install updates from vendor's website.

Vulnerable software versions

Gevent: 0.9.1 - 23.7.0

External links

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

Latest bulletins with this vulnerability