---
id: CVE-2026-123268
title: >-
  libyal libvmdk Extent Data File libvmdk_extent_table.c
  libvmdk_extent_table_get_extent_data_file_path memory corruption
summary: >-
  A security vulnerability has been detected in libyal libvmdk up to
  3fdd7839758e9f44ef95e1dfccde8552b860a4fc. Affected is the function
  libvmdk_extent_table_get_extent_data_file_path of the file
  libvmdk/libvmdk_extent_table.c of the compon…
severity: low
cvss: 3.5
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C'
cvssSource: cna
cwe:
  - CWE-119
vendor: libyal
product: libvmdk
affected:
  - libvmdk 3fdd7839758e9f44ef95e1dfccde8552b860a4fc
published: '2026-11-05'
updated: '2026-11-05'
sourceUpdated: '2026-11-05T23:30:28.193Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-123268'
references:
  - url: 'https://vuldb.com/vuln/431574'
    label: >-
      VDB-431574 | libyal libvmdk Extent Data File libvmdk_extent_table.c
      libvmdk_extent_table_get_extent_data_file_path memory corruption
  - url: 'https://vuldb.com/vuln/431574/cti'
    label: 'VDB-431574 | CTI Indicators (IOB, IOC, IOA)'
  - url: 'https://vuldb.com/cve/CVE-2026-123268'
    label: CVE-2026-123268 | CVE Analysis and Report
  - url: 'https://vuldb.com/submit/1028405'
    label: >-
      Submit #1028405 | libyal (Joachim Metz) libvmdk
      `396e1873a030ac535bf919f6707d5be57613ae08`  Memory corruption
  - url: 'https://github.com/libyal/libvmdk/issues/39'
  - url: 'https://github.com/user-attachments/files/33394147/01_memory_leak_poc.zip'
  - url: >-
      https://github.com/libyal/libvmdk/commit/175d3fc0a0b961f362f16e7560a6169d7213e16b
  - url: 'https://github.com/libyal/libvmdk/'
tags:
  - cve.org
ingestedAt: '2026-11-05T23:41:31.933Z'
epss: 0.00239
epssPercentile: 0.15001
---

## Overview

A security vulnerability has been detected in libyal libvmdk up to 3fdd7839758e9f44ef95e1dfccde8552b860a4fc. Affected is the function libvmdk_extent_table_get_extent_data_file_path of the file libvmdk/libvmdk_extent_table.c of the component Extent Data File Handler. The manipulation leads to memory corruption. The attack may be initiated remotely. The exploit has been disclosed publicly and may be used. This product uses a rolling release model to deliver continuous updates. As a result, specific version information for affected or updated releases is not available. The identifier of the patch is 175d3fc0a0b961f362f16e7560a6169d7213e16b. Applying a patch is the recommended action to fix this issue.

## Affected

- `libvmdk 3fdd7839758e9f44ef95e1dfccde8552b860a4fc`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.