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CVE PROGRAM SOURCE RECORD3.9 Low

CVE-2026-3633

Libsoup: libsoup: header and http request injection via crlf injection

Description

A flaw was found in libsoup. A remote attacker, by controlling the method parameter of the `soup_message_new()` function, could inject arbitrary headers and additional request data. This vulnerability, known as CRLF (Carriage Return Line Feed) injection, occurs because the method value is not properly escaped during request line construction, potentially leading to HTTP request injection.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Red Hat Red Hat Enterprise Linux 10

Default version status: affected

Red Hat Red Hat Enterprise Linux 6

Default version status: unknown

Red Hat Red Hat Enterprise Linux 7

Default version status: affected

Red Hat Red Hat Enterprise Linux 8

Default version status: affected

Red Hat Red Hat Enterprise Linux 9

Default version status: affected

References