NIXPKGS-2026-0132
GitHub issue
published on
Permalink
CVE-2026-1801
5.3 MEDIUM
- CVSS version (CVSS): 3.1
- Attack Vector (AV): Network (N)
- Attack Complexity (AC): Low (L)
- Privileges Required (PR): None (N)
- User Interaction (UI): None (N)
- Scope (S): Unchanged (U)
- Confidentiality (C): None (N)
- Integrity (I): Low (L)
- Availability (A): None (N)
- Modified Attack Vector (MAV): Network (N)
- Modified Attack Complexity (MAC): Low (L)
- Modified Privileges Required (MPR): None (N)
- Modified User Interaction (MUI): None (N)
- Modified Confidentiality (MC): None (N)
- Modified Scope (MS): Unchanged (U)
- Modified Integrity (MI): Low (L)
- Modified Availability (MA): None (N)
by @LeSuisse Activity log
- Created suggestion
- @LeSuisse ignored package tests.pkg-config.defaultPkgConfigPackages."libsoup-gnome-2.4"
- @LeSuisse accepted
- @LeSuisse published on GitHub
Libsoup: libsoup: http request smuggling via malformed chunk headers
A flaw was found in libsoup, an HTTP client/server library. This HTTP Request Smuggling vulnerability arises from non-RFC-compliant parsing in the soup_filter_input_stream_read_line() logic, where libsoup accepts malformed chunk headers, such as lone line feed (LF) characters instead of the required carriage return and line feed (CRLF). A remote attacker can exploit this without authentication or user interaction by sending specially crafted chunked requests. This allows libsoup to parse and process multiple HTTP requests from a single network message, potentially leading to information disclosure.
References
Affected products
libsoup
libsoup3
Matching in nixpkgs
pkgs.libsoup_3
HTTP client/server library for GNOME
Ignored packages (1)
pkgs.tests.pkg-config.defaultPkgConfigPackages.%22libsoup-gnome-2.4%22
Test whether libsoup-2.74.3 exposes pkg-config modules libsoup-gnome-2.4
Package maintainers
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@hedning Tor Hedin Brønner <torhedinbronner@gmail.com>
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@dasj19 Daniel Șerbănescu <daniel@serbanescu.dk>
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@lovek323 Jason O'Conal <jason@oconal.id.au>
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@7c6f434c Michael Raskin <7c6f434c@mail.ru>
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@bobby285271 Bobby Rong <rjl931189261@126.com>
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@jtojnar Jan Tojnar <jtojnar@gmail.com>