Vulnerability · Published Apr 14, 2025 · Assigned by redhat

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

Medium 6.5

In plain English

A medium-severity null pointer dereference in libsoup. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 40% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)6.5Medium
Exploit odds (30 days)0.5%top 60.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

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.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
AlmaLinux:10libsoup33.6.5-3.el10_0ALSA-2025:7505
AlmaLinux:10libsoup3-devel3.6.5-3.el10_0ALSA-2025:7505
AlmaLinux:10libsoup3-doc3.6.5-3.el10_0ALSA-2025:7505
Debian:12libsoup2.4no fix listedDEBIAN-CVE-2025-32912
Debian:13libsoup2.42.74.3-10.1DEBIAN-CVE-2025-32912
Debian:12libsoup33.2.3-0+deb12u1DEBIAN-CVE-2025-32912
Debian:13libsoup33.6.5-1DEBIAN-CVE-2025-32912
Ubuntu:22.04:LTSlibsoup2.42.74.2-3ubuntu0.4USN-7490-2
Ubuntu:22.04:LTSlibsoup2.42.74.2-3ubuntu0.3USN-7490-1
Ubuntu:22.04:LTSlibsoup2.42.74.2-3ubuntu0.4UBUNTU-CVE-2025-32912
Ubuntu:24.04:LTSlibsoup2.42.74.3-6ubuntu1.4USN-7490-2
Ubuntu:24.04:LTSlibsoup2.42.74.3-6ubuntu1.3USN-7490-1
Ubuntu:24.04:LTSlibsoup2.42.74.3-6ubuntu1.4UBUNTU-CVE-2025-32912
Ubuntu:24.04:LTSlibsoup33.4.4-5ubuntu0.3UBUNTU-CVE-2025-32912
Ubuntu:24.04:LTSlibsoup33.4.4-5ubuntu0.3USN-7490-3

Affected products (as reported)

VendorProductVersions
libsoup 0 – before 3.6.5
Red Hat Red Hat Enterprise Linux 10 see references
Red Hat Red Hat Enterprise Linux 6 see references
Red Hat Red Hat Enterprise Linux 7 see references
Red Hat Red Hat Enterprise Linux 8 see references
Red Hat Red Hat Enterprise Linux 9 see references

Weakness: CWE-476 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

References