CVE-2025-32052 Libsoup: heap buffer overflow in sniff_unknown()
A heap buffer over-read in libsoup's sniff_unknown function allows attackers to cause denial of service or disclose sensitive memory contents.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2025-32052?
CVE-2025-32052 is a medium-severity memory corruption 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. A vulnerability in the sniff_unknown() function may lead to heap buffer over-read.
Weakness: CWE-126
Which versions are affected by CVE-2025-32052?
How do I fix CVE-2025-32052?
Apply the vendor's patch.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2025-32052 being exploited?
There is no known exploitation of CVE-2025-32052 in the wild and no public exploit code.
Sources
Also known as AZL-59530, AZL-59559, DEBIAN-CVE-2025-32052, GHSA-9qwg-ch53-9rxw, UBUNTU-CVE-2025-32052.