CVE-2025-12105
HIGH EPSS 33.4%
Published Oct 23, 20258mo ago · Modified Jun 17, 20261w ago
7.5 CVSS 3.1
Published Oct 23, 2025 8mo ago
Last Modified Jun 17, 2026 1w ago
Description
A flaw was found in the asynchronous message queue handling of the libsoup library, widely used by GNOME and WebKit-based applications to manage HTTP/2 communications. When network operations are aborted at specific timing intervals, an internal message queue item may be freed twice due to missing state synchronization. This leads to a use-after-free memory access, potentially crashing the affected application. Attackers could exploit this behavior remotely by triggering specific HTTP/2 read and cancel sequences, resulting in a denial-of-service condition.
CVSS Details
Base Score
Exploitability
Impact
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality None
Integrity None
Availability High
Threat Intelligence
EPSS Exploit Probability
33.4% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available
Weaknesses 1
CWE-416 Use After Free Memory Safety
References 5
- access.redhat.com https://access.redhat.com/errata/RHSA-2025:23139
- access.redhat.com https://access.redhat.com/errata/RHSA-2025:23437
- access.redhat.com https://access.redhat.com/security/cve/CVE-2025-12105
- bugzilla.redhat.com https://bugzilla.redhat.com/show_bug.cgi?id=2405992
- gitlab.gnome.org https://gitlab.gnome.org/GNOME/libsoup/-/merge_requests/481
Remediation
No remediation data recorded yet
Check vendor advisories and the NVD entry for patch availability.