CVE-2025-32909 Libsoup: null pointer dereference on libsoup through function "sniff_mp4" in soup-content-sniffer.c

Medium 5.3 Published Updated

A null pointer dereference in libsoup's MP4 sniffer allows a malicious HTTP server to crash the client application.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2025-32909?

CVE-2025-32909 is a medium-severity 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. SoupContentSniffer may be vulnerable to a NULL pointer dereference in the sniff_mp4 function. The HTTP server may cause the libsoup client to crash.

Weakness: CWE-476

Which versions are affected by CVE-2025-32909?

How do I fix CVE-2025-32909?

Apply the vendor's patch.

Is CVE-2025-32909 being exploited?

There is no known exploitation of CVE-2025-32909 in the wild and no public exploit code.

Sources

Also known as AZL-60393, AZL-60411, DEBIAN-CVE-2025-32909, GHSA-wcmh-fj7m-gv6r, UBUNTU-CVE-2025-32909.

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