Bug#1103517: libsoup2.4: CVE-2025-32909

[Salvatore Bonaccorso]

Source: libsoup2.4
Version: 2.74.3-10
Severity: important
Tags: security upstream
Forwarded: https://gitlab.gnome.org/GNOME/libsoup/-/issues/431
X-Debbugs-Cc: carnil at debian.org, Debian Security Team <team at security.debian.org>

Hi,

The following vulnerability was published for libsoup2.4.

CVE-2025-32909[0]:
| 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.

Code was refactored later, but the same issue in
libsoup/soup-content-sniffer.c should be present as well in 2.4
series.

If you fix the vulnerability please also make sure to include the
CVE (Common Vulnerabilities & Exposures) id in your changelog entry.

For further information see:

[0] https://security-tracker.debian.org/tracker/CVE-2025-32909
    https://www.cve.org/CVERecord?id=CVE-2025-32909
[1] https://gitlab.gnome.org/GNOME/libsoup/-/issues/431
[2] https://gitlab.gnome.org/GNOME/libsoup/-/commit/ba4c3a6f988beff59e45801ab36067293d24ce92

Please adjust the affected versions in the BTS as needed.

Regards,
Salvatore