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
0.05% (16th percentile)

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  • Snyk IDSNYK-CONAN-LIBSOUP-15952202
  • published9 Apr 2026
  • disclosed6 Mar 2026
  • creditUnknown

Introduced: 6 Mar 2026

CVE-2026-3633  (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 the soup_message_new function. An attacker can manipulate HTTP headers and request data by supplying specially crafted input containing CRLF sequences.

CVSS Base Scores

version 4.0
version 3.1