CVE-2025-32910 | Libsoup: 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

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.

Published: 2025-04-14 Last update: 2026-04-15 Assigner: [email protected] Source: [email protected]
NVD Status：Deferred，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2025-32910 is rated Moderate Risk (41.9/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.23%). Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2025-32910

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-05-23 0.46% 0.23% -0.23%
2 2026-04-19 0.38% 0.46% +0.08%
3 2026-02-08 — 0.38% —

Full EPSS history (9 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2025-32910

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.5 3.1 MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:R)
A real person has to do something—click, install, enable—otherwise it doesn’t land.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 2.8 3.6 [email protected]

Weakness enumeration for CVE-2025-32910

OS Trackers for CVE-2025-32910

vendor priority summary link
debian not yet assigned CVE-2025-32910 not yet assigned priority: Debian including 2 source packages (libsoup2.4, libsoup3), 7 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 6, open 1. https://security-tracker.debian.org/tracker/CVE-2025-32910
redhat medium — https://access.redhat.com/security/cve/CVE-2025-32910
suse medium CVE-2025-32910 severity moderate: SUSE including 58 source package names (2.2.1-7.31:libvmtools0-13.0.5-160000.1.1, 2.2.1-7.31:open-vm-tools-13.0.5-160000.1.1, …), 260 product×package rows across 50 product lines (Container suse/sl-micro/6.0/baremetal-os-container, Container suse/sl-micro/6.0/base-os-container, … (50 product lines)): Fixed 255, Known Not Affected 5. https://www.suse.com/security/cve/CVE-2025-32910/
ubuntu medium CVE-2025-32910 medium priority: Ubuntu including 2 source packages (libsoup2.4, libsoup3), 16 status rows across 9 suites (bionic, focal, jammy, noble, oracular, plucky, questing, upstream, xenial): released 11, not-affected 3, DNE 1, needed 1. https://ubuntu.com/security/CVE-2025-32910

Affected software / configurations for CVE-2025-32910

Vendor Product Version Raw CPE
No affected products in dataset.

References for CVE-2025-32910

cvelogic Threat Intelligence