What’s Vulnerable › Vulnerabilities

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

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-04-14 · updated 2026-09-15
• Weakness: CWE-476

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 products

• Red Hat Enterprise Linux 8: all versions — fixed in 0:2.8-3.el8_10.1, 0:8.10-1
• Red Hat Enterprise Linux 9: all versions

How to fix

Upgrade to a fixed version: Red Hat Enterprise Linux 8 0:2.8-3.el8_10.1, 0:8.10-1. Check the vendor advisory for mitigations.

References

• https://access.redhat.com/errata/RHSA-2025:8292
• https://access.redhat.com/security/cve/CVE-2025-32910
• https://bugzilla.redhat.com/show_bug.cgi?id=2359354
• https://gitlab.gnome.org/GNOME/libsoup/-/issues/432
• https://lists.debian.org/debian-lts-announce/2025/04/msg00036.html

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