CVE-2025-32912: Libsoup: null pointer dereference in client when server omits the "nonce" parameter in an unauthorized response with digest authentication

Published Apr 14, 2025
·
Updated

A flaw was found in libsoup, where SoupAuthDigest is vulnerable to a NULL pointer dereference. The HTTP server may cause the libsoup client to crash.

Other sources

libsoup prior to 3.6.5 is vulnerable to a null pointer dereference in SoupAuthDigest. A malicious HTTP server may cause the libsoup client to crash.

— Red Hat

Libsoup: null pointer dereference in client when server omits the "nonce" parameter in an unauthorized response with digest authentication

— Microsoft

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

6 affected componentsFixes available
Gnome libsoup<3.6.5
debian/libsoup2.4<=2.72.0-2, <=2.74.3-1+deb12u1
2.72.0-2+deb11u22.74.3-10.1
debian/libsoup3<=3.2.2-2
3.6.5-1
Microsoft cbl2 libsoup 3.0.4-7<3.0.4-7
3.0.4-7
Microsoft azl3 libsoup 3.4.4-3<3.4.4-3
3.4.4-3
Microsoft azl3 libsoup 3.4.4-6<3.4.4-3
3.4.4-3

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade debian/libsoup2.4 to a version that resolves this vulnerability.

    Fixed in 2.72.0-2+deb11u2Fixed in 2.74.3-10.1
  2. Upgrade

    Upgrade debian/libsoup3 to a version that resolves this vulnerability.

    Fixed in 3.6.5-1
  3. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 3.0.4-7
  4. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 3.4.4-3
  5. Upgrade

    Upgrade libsoup to a version that resolves this vulnerability.

    Fixed in 3.6.5

Event History

Apr 14, 2025
Data Sourced
via Red Hat·02:00 AM
DescriptionSeverityAffected Software
CVE Published
via MITRE·02:44 PM
Data Sourced
via MITRE·02:44 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·03:15 PM
DescriptionSeverityWeakness
Apr 23, 2025
Data Sourced
via Microsoft·07:00 AM
DescriptionSeverityWeakness
Data Sourced
via Microsoft·07:00 AM
Affected Software
Updated
via Microsoft·07:00 AM
DescriptionSeverity
May 7, 2025
Data Sourced
via Launchpad·01:19 AM
Description
May 11, 2025
Data Sourced
via Ubuntu·01:19 AM
RemedyDescriptionSeverityAffected Software
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Frequently Asked Questions

1

What is the severity of CVE-2025-32912?

CVE-2025-32912 has a high severity rating due to its potential to crash the libsoup client.

2

How do I fix CVE-2025-32912?

To fix CVE-2025-32912, upgrade libsoup to version 3.6.5 or later.

3

What versions of libsoup are affected by CVE-2025-32912?

Libsoup versions prior to 3.6.5 are vulnerable to CVE-2025-32912.

4

What type of vulnerability is CVE-2025-32912?

CVE-2025-32912 is a NULL pointer dereference vulnerability in the SoupAuthDigest component.

5

Can CVE-2025-32912 be exploited remotely?

Yes, a malicious HTTP server can exploit CVE-2025-32912 to crash the libsoup client.

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