CRLF Injection Affecting libsoup package, versions [0,]


Severity

Recommended
0.0
low
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.18% (9th percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications
  • Snyk IDSNYK-CONAN-LIBSOUP-15952200
  • published9 Apr 2026
  • disclosed6 Mar 2026
  • creditUnknown

Introduced: 6 Mar 2026

CVE-2026-3634  (opens in a new tab)
CWE-93  (opens in a new tab)

How to fix?

A fix was pushed into the master branch but not yet published.

Overview

Affected versions of this package are vulnerable to CRLF Injection via improper input sanitization in the soup_message_headers_set_content_type function. An attacker can inject arbitrary HTTP headers and manipulate responses by supplying specially crafted values to the Content-Type header.

CVSS Base Scores

version 4.0
version 3.1