CVE-2026-123268
libyal libvmdk Extent Data File libvmdk_extent_table.c libvmdk_extent_table_get_extent_data_file_path memory corruption
- Published
- Updated
- Reserved
- Assigned by
- VulDB
Description
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| VulDBCNA (assigner) | 4.0 | Medium5.1 | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P |
| VulDBCNA (assigner) | 3.1 | Low3.5 | 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 |
| VulDBCNA (assigner) | 3.0 | Low3.5 | CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C |
| VulDBCNA (assigner) | 2.0 | Medium4.0 | AV:N/AC:L/Au:S/C:N/I:N/A:P/E:POC/RL:OF/RC:C |
| NVDNVD · Deferred | 4.0 | Low2.0 | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X |
- EPSS (exploitation in 30 days)
- 0.24% · top 85% of all CVEs (6 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.1.
Weakness
Affected products
References (8)
- VDB-431574 | libyal libvmdk Extent Data File libvmdk_extent_table.c libvmdk_extent_table_get_extent_data_file_path memory corruption (opens in a new tab)vdb-entrytechnical-description
- VDB-431574 | CTI Indicators (IOB, IOC, IOA) (opens in a new tab)signaturepermissions-required
- CVE-2026-123268 | CVE Analysis and Report (opens in a new tab)third-party-advisory
- Submit #1028405 | libyal (Joachim Metz) libvmdk `396e1873a030ac535bf919f6707d5be57613ae08` Memory corruption (opens in a new tab)third-party-advisory
- https://github.com/libyal/libvmdk/issues/39 (opens in a new tab)issue-tracking
- https://github.com/user-attachments/files/33394147/01_memory_leak_poc.zip (opens in a new tab)exploit
- https://github.com/libyal/libvmdk/commit/175d3fc0a0b961f362f16e7560a6169d7213e16b (opens in a new tab)patch
- https://github.com/libyal/libvmdk/ (opens in a new tab)product
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2026-123268)Record last updated .