CVE-2026-123268 libyal libvmdk Extent Data File libvmdk_extent_table.c libvmdk_extent_table_get_extent_data_file_path memory corruption

Medium 5.1 Published Updated
Exploited in the wild
Not known
Fix
None listed

What is CVE-2026-123268?

CVE-2026-123268 is a medium-severity vulnerability in libyal libvmdk, published on 5 Nov 2026.

Official 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.

Weakness: CWE-119

Which versions are affected by CVE-2026-123268?

How do I fix CVE-2026-123268?

No fix has been published for CVE-2026-123268 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-123268 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-123268 exists.

Sources

Also known as DEBIAN-CVE-2026-123268, GHSA-5hxv-qxwp-44j8, UBUNTU-CVE-2026-123268.

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