CVE-2025-32906 Libsoup: out of bounds reads in soup_headers_parse_request()
A malicious user can crash an HTTP server using a specially crafted request due to an out-of-bounds read in 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-2025-32906?
CVE-2025-32906 is a high-severity denial of service vulnerability in Red Hat Enterprise Linux 10, published on 14 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, where the soup_headers_parse_request() function may be vulnerable to an out-of-bound read. This flaw allows a malicious user to use a specially crafted HTTP request to crash the HTTP server.
Weakness: CWE-125
Which versions are affected by CVE-2025-32906?
How do I fix CVE-2025-32906?
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-2025-32906 being exploited?
There is no known exploitation of CVE-2025-32906 in the wild and no public exploit code.
Sources
Also known as AZL-60383, AZL-60433, DEBIAN-CVE-2025-32906, GHSA-f4vp-qjpg-x8wq, ROOT-OS-DEBIAN-12-CVE-2025-32906, UBUNTU-CVE-2025-32906.