SB20250529157 - Ubuntu update for libsoup2.4

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Main Vulnerability Database SB20250529157

SB20250529157 - Ubuntu update for libsoup2.4

Published: May 29, 2025

Security Bulletin ID SB20250529157
Severity
High
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

High 50% Medium 50%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Interpretation Conflict (CVE-ID: CVE-2025-32908)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to HTTP/2 server in libsoup may not fully validate the values of pseudo-headers :scheme, :authority, and :path. A remote attacker can trigger resource exhaustion and perform a denial of service (DoS) attack.


2) NULL pointer dereference (CVE-ID: CVE-2025-4476)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error. when handling 401 (Unauthorized) HTTP responses. A remote attacker can pass specially crafted data to the application and perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.

References