SB2025073043 - Fedora 41 update for libsoup3
Published: July 30, 2025
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 6 secuirty vulnerabilities.
1) Integer underflow (CVE-ID: CVE-2025-4948)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to integer underflow within the soup_multipart_new_from_message() function when handling multipart messages. A remote attacker can trick the victim into visiting a specially crafted website, trigger an integer underflow and crash the application.
2) 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.
3) Resource exhaustion (CVE-ID: CVE-2025-32907)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to application does not properly control consumption of internal resources when handling HTTP requests. A remote attacker can trigger resource exhaustion and perform a denial of service (DoS) attack.
4) Out-of-bounds read (CVE-ID: CVE-2025-4969)
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to a boundary condition when handling multipart HTTP messages. 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.
5) Integer overflow (CVE-ID: CVE-2025-4945)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to integer overflow when handling cookies. A remote attacker can trick the victim into visiting a specially crafted website, trigger an integer overflow and execute arbitrary code on the target system.
6) 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.