Bug#1130498: libsoup3: CVE-2026-2436

[Salvatore Bonaccorso]

Source: libsoup3
Version: 3.6.6-1
Severity: important
Tags: security upstream
Forwarded: https://gitlab.gnome.org/GNOME/libsoup/-/issues/501
X-Debbugs-Cc: carnil at debian.org, Debian Security Team <team at security.debian.org>

Hi,

The following vulnerability was published for libsoup3.

CVE-2026-2436[0]:
| UAF on libsoup through libsoup/server/soup-server-
| connection.c:tls_connection_handshake_ready_cb() via
| SoupServerConnection

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-2026-2436
    https://www.cve.org/CVERecord?id=CVE-2026-2436
[1] https://gitlab.gnome.org/GNOME/libsoup/-/issues/501
[2] https://gitlab.gnome.org/GNOME/libsoup/-/commit/e9b681a5b23f8259a5e29c5351a5284ae5cd1189

Please adjust the affected versions in the BTS as needed.

Regards,
Salvatore