libyal libvmdk up to 3fdd7839758e9f44ef95e1dfccde8552b860a4fc Extent Data File libvmdk_extent_table.c libvmdk_extent_table_get_extent_data_file_path memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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3.2$0-$5k0.00+

Summaryinfo

A vulnerability labeled as problematic has been found in libyal libvmdk up to 3fdd7839758e9f44ef95e1dfccde8552b860a4fc. Affected by this vulnerability 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 results in memory corruption. This vulnerability is cataloged as CVE-2026-123268. The attack may be launched remotely. Furthermore, there is an exploit available. This product operates on a rolling release basis, ensuring continuous delivery. Consequently, there are no version details for either affected or updated releases. It is best practice to apply a patch to resolve this issue.

Detailsinfo

A vulnerability was found in libyal libvmdk up to 3fdd7839758e9f44ef95e1dfccde8552b860a4fc. It has been classified as problematic. 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 with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. This is going to have an impact on availability.

The advisory is available at github.com. This vulnerability is traded as CVE-2026-123268. The exploitability is told to be easy. It is possible to launch the attack remotely. Successful exploitation requires user interaction by the victim. Technical details and a public exploit are known.

The exploit is shared for download at github.com. It is declared as proof-of-concept.

Applying the patch 175d3fc0a0b961f362f16e7560a6169d7213e16b is able to eliminate this problem. The bugfix is ready for download at github.com.

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Productinfo

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.5
VulDB Meta Temp Score: 3.2

VulDB Base Score: 3.5
VulDB Temp Score: 3.2
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔒

Patch: 175d3fc0a0b961f362f16e7560a6169d7213e16b

Timelineinfo

11/05/2026 Advisory disclosed
11/05/2026 +0 days VulDB entry created
11/05/2026 +0 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: 39
Status: Confirmed

CNA: VulDB
CVE: CVE-2026-123268 (🔒)

GCVE (CVE): GCVE-0-2026-123268
GCVE (VulDB): GCVE-100-431574
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 11/05/2026 19:16
Changes: 11/05/2026 19:16 (61)
Complete: 🔍
Submitter: fczhang
Cache ID: 216::103

Submitinfo

Accepted

  • Submit #1028405: libyal (Joachim Metz) libvmdk `396e1873a030ac535bf919f6707d5be57613ae08` Memory corruption (by fczhang)

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