CVE-2026-19617

MEDIUM
MEDIUM Priority: 0.01 BB Relevance: 36/100
Published: 2026-08-14 Modified: 2026-11-05 First seen: 2026-11-05 Status: active

Attack Surface

Low Complexity No Auth

CVSS Vector Breakdown

AV: Local
AC: Low
PR: None
UI: Required
S: Unchanged
C: None
I: None
A: High

Description

A flaw was found in libdm. A local attacker could craft a malicious Logical Volume Manager (LVM) metadata configuration with deeply nested structures. This could lead to uncontrolled recursion in the libdm configuration file parser, exhausting the stack and causing any LVM command reading the metadata to crash. This vulnerability results in a Denial of Service (DoS) for affected systems.

References & Advisories (3)

https://access.redhat.com/errata/RHSA-2026:73989
vendor-advisory x_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2514626
issue-tracking x_refsource_REDHAT

Bug Bounty Relevance

36 / 100
✓ No authentication
✓ Low complexity

CVSS Score

5.5 / 10.0 v3.1
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

EPSS — Exploitation Probability

0.16%
Raw Score 0.001580
Percentile 5.0%
Date 2026-11-14

EPSS Trend

2026-11-14
0.00158
2026-11-13
0.00158
2026-11-12
0.00158
2026-11-10
0.00158
2026-11-09
0.00158
2026-11-08
0.00158
2026-11-07
0.00158
2026-11-06
0.00158
2026-11-05
0.00158

Intelligence Sources

mitre ref →
nvd ref →