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Bug#1104054: libsoup2.4: CVE-2025-46421

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Source: libsoup2.4
Version: 2.74.3-10
Severity: important
Tags: security upstream
Forwarded: https://gitlab.gnome.org/GNOME/libsoup/-/issues/439
X-Debbugs-Cc: carnil@debian.org, Debian Security Team <team@security.debian.org>

Hi,

The following vulnerability was published for libsoup2.4.

CVE-2025-46421[0]:
| A flaw was found in libsoup. When libsoup clients encounter an HTTP
| redirect, they mistakenly send the HTTP Authorization header to the
| new host that the redirection points to. This allows the new host to
| impersonate the user to the original host that issued the redirect.


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-2025-46421
    https://www.cve.org/CVERecord?id=CVE-2025-46421
[1] https://gitlab.gnome.org/GNOME/libsoup/-/issues/439

Please adjust the affected versions in the BTS as needed.

Regards,
Salvatore

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Thread

Bug#1104054: libsoup2.4: CVE-2025-46421 Salvatore Bonaccorso <carnil@debian.org> - 2025-04-25 06:50 +0200
  Bug#1104054: libsoup2.4: CVE-2025-46421 Jeremy Bícha <jeremy.bicha@canonical.com> - 2025-05-08 19:50 +0200
    Bug#1104054: libsoup2.4: CVE-2025-46421 Sean Whitton <spwhitton@spwhitton.name> - 2025-05-10 13:10 +0200
  Bug#1104054: CVE-2025-46421 tests backporting Sean Whitton <spwhitton@spwhitton.name> - 2025-05-19 12:20 +0200
    Bug#1104054: CVE-2025-46421 tests backporting Andreas Henriksson <andreas@fatal.se> - 2025-05-19 14:30 +0200
      Bug#1104054: CVE-2025-46421 tests backporting Simon McVittie <smcv@debian.org> - 2025-05-19 16:40 +0200
      Bug#1104054: CVE-2025-46421 tests backporting Sean Whitton <spwhitton@spwhitton.name> - 2025-05-20 11:10 +0200
    Bug#1104054: CVE-2025-46421 tests backporting Sean Whitton <spwhitton@spwhitton.name> - 2025-05-20 12:10 +0200

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