[USN-7490-1] libsoup vulnerabilities

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==========================================================================
Ubuntu Security Notice USN-7490-1
May 06, 2025

libsoup2.4 vulnerabilities
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 25.04
- Ubuntu 24.10
- Ubuntu 24.04 LTS
- Ubuntu 22.04 LTS
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS

Summary:

Several security issues were fixed in libsoup.

Software Description:
- libsoup2.4: HTTP client/server library for GNOME

Details:

Tan Wei Chong discovered that libsoup incorrectly handled memory when
parsing HTTP request headers. An attacker could possibly use this issue to
send a maliciously crafted HTTP request to the server, causing a denial of
service. (CVE-2025-32906)

Alon Zahavi discovered that libsoup incorrectly parsed video files. An
attacker could possibly use this issue to send a maliciously crafted HTTP
response back to the client, causing a denial of service, or leading to
undefined behavior. (CVE-2025-32909)

Jan Różański discovered that libsoup incorrectly handled memory when
parsing authentication headers. An attacker could possibly use this issue
to send a maliciously crafted HTTP response back to the client, causing a
denial of service. (CVE-2025-32910, CVE-2025-32912)

It was discovered that libsoup incorrectly handled data in the hash table
data type. An attacker could possibly use this issue to send a maliciously
crafted HTTP request to the server, causing a denial of service or remote
code execution. (CVE-2025-32911)

Jan Różański discovered that libsoup incorrectly handled memory when
parsing the content disposition HTTP header. An attacker could possibly use
this issue to send maliciously crafted data to a client or server, causing
a denial of service. (CVE-2025-32913)

Alon Zahavi discovered that libsoup incorrectly handled memory when parsing
HTTP requests. An attacker could possibly use this issue to send a
maliciously crafted HTTP request to the server, causing a denial of service
or obtaining sensitive information. (CVE-2025-32914)

It was discovered that libsoup incorrectly handled memory when parsing
quality-list headers. An attacker could possibly use this issue to send a
maliciously crafted HTTP request to the server, causing a denial of
service. (CVE-2025-46420)

Jan Różański discovered that libsoup did not strip authorization
information upon redirects. An attacker could possibly use this issue to
obtain sensitive information. (CVE-2025-46421)

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 25.04
  libsoup-2.4-1                   2.74.3-10ubuntu0.1

Ubuntu 24.10
  libsoup-2.4-1                   2.74.3-7ubuntu0.3

Ubuntu 24.04 LTS
  libsoup-2.4-1                   2.74.3-6ubuntu1.3

Ubuntu 22.04 LTS
  libsoup2.4-1                    2.74.2-3ubuntu0.3

Ubuntu 20.04 LTS
  libsoup2.4-1                    2.70.0-1ubuntu0.3

Ubuntu 18.04 LTS
  libsoup2.4-1                    2.62.1-1ubuntu0.4+esm2
                                  Available with Ubuntu Pro

Ubuntu 16.04 LTS
  libsoup2.4-1                    2.52.2-1ubuntu0.3+esm1
                                  Available with Ubuntu Pro

In general, a standard system update will make all the necessary changes.

References:
  https://ubuntu.com/security/notices/USN-7490-1
  CVE-2025-32906, CVE-2025-32909, CVE-2025-32910, CVE-2025-32911,
  CVE-2025-32912, CVE-2025-32913, CVE-2025-32914, CVE-2025-46420,
  CVE-2025-46421

Package Information:
https://launchpad.net/ubuntu/+source/libsoup2.4/2.74.3-10ubuntu0.1
https://launchpad.net/ubuntu/+source/libsoup2.4/2.74.3-7ubuntu0.3
https://launchpad.net/ubuntu/+source/libsoup2.4/2.74.3-6ubuntu1.3
https://launchpad.net/ubuntu/+source/libsoup2.4/2.74.2-3ubuntu0.3
https://launchpad.net/ubuntu/+source/libsoup2.4/2.70.0-1ubuntu0.3