CVE-2025-32051 Libsoup: segmentation fault when parsing malformed data uri
An attacker can cause a denial of service by sending malformed data URIs to applications using the libsoup library.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2025-32051?
CVE-2025-32051 is a medium-severity denial of service vulnerability in Red Hat Enterprise Linux 10, published on 3 Apr 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A flaw was found in libsoup. The libsoup soup_uri_decode_data_uri() function may crash when processing malformed data URI. This flaw allows an attacker to cause a denial of service (DoS).
Weakness: CWE-754
Which versions are affected by CVE-2025-32051?
How do I fix CVE-2025-32051?
Apply the vendor's patch.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2025-32051 being exploited?
There is no known exploitation of CVE-2025-32051 in the wild and no public exploit code.
Sources
Also known as AZL-59526, AZL-59541, DEBIAN-CVE-2025-32051, GHSA-xccf-8v88-53m7, UBUNTU-CVE-2025-32051.