Vulnerability · Published Apr 14, 2025 · Assigned by redhat
CVE-2025-32910Libsoup: null pointer deference on libsoup via /auth/soup-auth-digest.c through "soup_auth_digest_authenticate" on client when server omits the "realm" 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 soup_auth_digest_authenticate() is vulnerable to a NULL pointer dereference. This issue may cause the libsoup client to crash.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux:8 | mingw32-freetype | 2.8-3.el8_10.1 | ALSA-2025:8292 |
| AlmaLinux:8 | mingw32-freetype-static | 2.8-3.el8_10.1 | ALSA-2025:8292 |
| AlmaLinux:8 | mingw64-freetype | 2.8-3.el8_10.1 | ALSA-2025:8292 |
| AlmaLinux:8 | mingw64-freetype-static | 2.8-3.el8_10.1 | ALSA-2025:8292 |
| Debian:12 | libsoup2.4 | no fix listed | DEBIAN-CVE-2025-32910 |
| Debian:13 | libsoup2.4 | 2.74.3-10.1 | DEBIAN-CVE-2025-32910 |
| Debian:12 | libsoup3 | 3.2.3-0+deb12u1 | DEBIAN-CVE-2025-32910 |
| Debian:13 | libsoup3 | 3.6.4-1 | DEBIAN-CVE-2025-32910 |
| Rocky Linux:8 | mingw-freetype | 0:2.8-3.el8_10.1 | RLSA-2025:8292 |
| Rocky Linux:8 | spice-client-win | 0:8.10-1.el8_10 | RLSA-2025:8292 |
| Ubuntu:22.04:LTS | libsoup2.4 | 2.74.2-3ubuntu0.3 | USN-7490-1 |
| Ubuntu:22.04:LTS | libsoup2.4 | 2.74.2-3ubuntu0.3 | UBUNTU-CVE-2025-32910 |
| Ubuntu:24.04:LTS | libsoup2.4 | 2.74.3-6ubuntu1.3 | USN-7490-1 |
| Ubuntu:24.04:LTS | libsoup2.4 | 2.74.3-6ubuntu1.3 | UBUNTU-CVE-2025-32910 |
| Ubuntu:24.04:LTS | libsoup3 | 3.4.4-5ubuntu0.3 | UBUNTU-CVE-2025-32910 |
| Ubuntu:24.04:LTS | libsoup3 | 3.4.4-5ubuntu0.3 | USN-7490-3 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| libsoup | 0 – before 3.6.3 | |
| Red Hat | Red Hat Enterprise Linux 8 | see references |
| Red Hat | Red Hat Enterprise Linux 8 | see references |
| 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
- RHSA-2025:8292 vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/security/cve/CVE-2025-32910 vdb-entry, x_refsource_REDHAT
- RHBZ#2359354 issue-tracking, x_refsource_REDHAT
- https://gitlab.gnome.org/GNOME/libsoup/-/issues/432
- https://lists.debian.org/debian-lts-announce/2025/04/msg00036.html