SB2025052715 - Multiple vulnerabilities in libsoup



SB2025052715 - Multiple vulnerabilities in libsoup

Published: May 27, 2025 Updated: May 29, 2025

Security Bulletin ID SB2025052715
Severity
Medium
Patch available
YES
Number of vulnerabilities 4
Exploitation vector Remote access
Highest impact Information disclosure

Breakdown by Severity

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

Description

This security bulletin contains information about 4 secuirty vulnerabilities.


1) Out-of-bounds read (CVE-ID: CVE-2025-32906)

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition in soup_headers_parse_request() function. A remote attacker can trick the victim into visiting a specially crafted website, trigger an out-of-bounds read error and read contents of memory on the system.


2) Buffer Over-read (CVE-ID: CVE-2025-2784)

The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due to a boundary error within the skip_insignificant_whitespace() function when reading server HTTP response. A remote attacker can trick the victim into visiting a specially crafted website and read 1 byte out of bounds.


3) NULL pointer dereference (CVE-ID: CVE-2025-32912)

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

The vulnerability exists due to a NULL pointer dereference error in SoupAuthDigest. A remote attacker can trick the victim into visiting a specially crafted website and crash the application.


4) Information disclosure (CVE-ID: CVE-2025-46421)

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to libsoup includes authorization headers into requests when handling HTTP redirects. A remote attacker can gain access to credentials intended for a different website.


Remediation

Install update from vendor's website.