SB2025052715 - Multiple vulnerabilities in libsoup

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Main Vulnerability Database SB2025052715

SB2025052715 - Multiple vulnerabilities in libsoup

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

Security Bulletin ID SB2025052715
CSH 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 vulnerabilities.


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

CWE-ID: CWE-125 - Out-of-bounds read

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green


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)

CWE-ID: CWE-126 - Buffer over-read

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green


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)

CWE-ID: CWE-476 - NULL Pointer Dereference

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear


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)

CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor

CVSSv4: CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear


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.

References