Bug#1102208: libsoup2.4: CVE-2025-2784

[Salvatore Bonaccorso]

Source: libsoup2.4
Version: 2.74.3-9
Severity: important
Tags: security upstream
Forwarded: https://gitlab.gnome.org/GNOME/libsoup/-/issues/422
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-2025-2784[0]:
| A flaw was found in libsoup. The package is vulnerable to a heap
| buffer over-read when sniffing content via the
| skip_insight_whitespace() function. Libsoup clients may read one
| byte out-of-bounds in response to a crafted HTTP response by an HTTP
| server.


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-2025-2784
    https://www.cve.org/CVERecord?id=CVE-2025-2784
[1] https://gitlab.gnome.org/GNOME/libsoup/-/issues/422

Please adjust the affected versions in the BTS as needed.

Regards,
Salvatore



-- System Information:
Debian Release: trixie/sid
  APT prefers unstable
  APT policy: (500, 'unstable'), (1, 'experimental')
Architecture: amd64 (x86_64)

Kernel: Linux 6.12.16-amd64 (SMP w/8 CPU threads; PREEMPT)
Locale: LANG=C.UTF-8, LC_CTYPE=C.UTF-8 (charmap=UTF-8), LANGUAGE not set
Shell: /bin/sh linked to /usr/bin/dash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled