CVE-2025-32909: Libsoup: null pointer dereference on libsoup through function "sniff_mp4" in soup-content-sniffer.c
A flaw was found in libsoup. SoupContentSniffer may be vulnerable to a NULL pointer dereference in the sniffmp4 function. The HTTP server may cause the libsoup client to crash.
Other sources
Libsoup: null pointer dereference on libsoup through function "sniffmp4" in soup-content-sniffer.c
— Microsoft
libsoup's SoupContentSniffer, prior to version 3.6.2, is vulnerable to a null pointer dereference in its sniffmp4 function. A malicious HTTP server may cause the libsoup client to crash.
— Red Hat
This CVE was automatically created from a reference found in an email or other text. If you are reading this, then this CVE entry is probably erroneous, since this text should be replaced by the official CVE description automatically.
— Launchpad
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
debian/libsoup2.4to a version that resolves this vulnerability.Fixed in 2.72.0-2+deb11u2Fixed in 2.74.3-10.1 - Upgrade
Upgrade
debian/libsoup3to a version that resolves this vulnerability.Fixed in 3.6.5-1 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 3.4.4-3 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 3.0.4-7
Event History
Frequently Asked Questions
What is the severity of CVE-2025-32909?
CVE-2025-32909 has a high severity rating due to the potential for crashing the libsoup client.
How do I fix CVE-2025-32909?
To fix CVE-2025-32909, upgrade libsoup to version 3.6.2 or later.
What specific issue does CVE-2025-32909 cause?
CVE-2025-32909 causes a NULL pointer dereference in the sniff_mp4 function, leading to a crash.
Which versions of libsoup are affected by CVE-2025-32909?
Versions of libsoup prior to 3.6.2 are affected by CVE-2025-32909.
What component of libsoup is vulnerable in CVE-2025-32909?
The vulnerable component in CVE-2025-32909 is the SoupContentSniffer.