CVE-2025-12748: Red Hat Enterprise Linux 10 (exact versions not specified); +4 more affected products

CVE-2025-12748. CVSS 3.1 base score 5.5 (MEDIUM, Vendor/CNA). EPSS 0.00223 (percentile 0.12047), scored 17-Oct-2026.

Affected technology

Product not specified by the source · 0 through 11.9.0
Vendor not specified by the source

Red Hat Enterprise Linux 10 · Exact affected versions not specified by the source
Red Hat

Red Hat Enterprise Linux 9 · Exact affected versions not specified by the source
Red Hat

Red Hat Enterprise Linux 6 · Exact affected versions not specified by the source
Red Hat

Red Hat Enterprise Linux 7 · Exact affected versions not specified by the source
Red Hat

Red Hat Enterprise Linux 8 · Exact affected versions not specified by the source
Red Hat

Component: Not specified by the source

Attack conditions (Vendor/CNA, CVSS 3.1): Local · Low privileges required · No user interaction required

What an attacker can do

A malicious user with limited permissions could exploit this flaw by submitting a specially crafted XML file, causing libvirt to allocate too much memory on the host. Vendor/CNA’s CVSS 3.1 assessment (base score 5.5/10) rates confidentiality and integrity impact as none; availability impact as high.

Published 18-Oct-2026 20:24 UTC

CWE: CWE-770
CCR priority: 22.1 /100 (P4)
CVSS 3.1: 5.5 /10 · CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H · Vendor/CNA
EPSS: 0.00223 · percentile 0.12047 · 2026-10-17
KEV: no

Provenance

NVD CVE API 2.0 · Source record · observed 2026-10-18 20:23:06.032219+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2025-12748.html