CVE-2020-10109

Publication date 12 March 2020

Last updated 25 August 2025

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

9.8 · Critical

Score breakdown

Description

In Twisted Web through 19.10.0, there was an HTTP request splitting vulnerability. When presented with a content-length and a chunked encoding header, the content-length took precedence and the remainder of the request body was interpreted as a pipelined request.

Read the notes from the security team

Status

Package Ubuntu Release Status
twisted 19.10 eoan
Fixed 18.9.0-3ubuntu1.1
18.04 LTS bionic
Fixed 17.9.0-2ubuntu0.1
16.04 LTS xenial
Fixed 16.0.0-1ubuntu0.4
14.04 LTS trusty
Fixed 13.2.0-1ubuntu1.2+esm1

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Notes

mdeslaur

same commit as CVE-2020-10108

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package Patch details
twisted

Severity score breakdown

Parameter Value
Base score 9.8 · Critical
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

Related Ubuntu Security Notices (USN)

Other references