3.9
Low
CVE-2026-3634 Libsoup: libsoup: http header injection and response splitting via crlf injection in content-type header
Description
A flaw was found in libsoup. An attacker controlling the value used to set the Content-Type header can inject a Carriage Return Line Feed (CRLF) sequence due to improper input sanitization in the `soup_message_headers_set_content_type()` function. This vulnerability allows for the injection of arbitrary header-value pairs, potentially leading to HTTP header injection and response splitting attacks.
CVSS 3.1 detail
Vector CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:L/I:L/A:LExploitable remotely over the network, with an administrator account and if a user takes an action; the impact on data or service is limited.
- Attack vector
- Network
- Attack complexity
- High
- Privileges required
- High
- Interaction
- Required
- Scope
- Unchanged
- Confidentiality
- Low
- Integrity
- Low
- Availability
- Low
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Red Hat Enterprise Linux 10 | Versions not published | |
| Red Hat Enterprise Linux 6 | Versions not published | |
| Red Hat Enterprise Linux 7 | Versions not published | |
| Red Hat Enterprise Linux 8 | Versions not published | |
| Red Hat Enterprise Linux 9 | Versions not published |
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Not rated