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Vulnerability · Published Nov 5, 2026 · Assigned by VulDB

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

Low 3.5

In plain English

A low-severity memory corruption in libvmdk from libyal. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 15% of all known vulnerabilities).

Severity (CVSS 3.1)3.5Low
Exploit odds (30 days)0.2%top 85.0% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

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.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12libvmdkno fix listedDEBIAN-CVE-2026-123268
Debian:13libvmdkno fix listedDEBIAN-CVE-2026-123268
Debian:14libvmdkno fix listedDEBIAN-CVE-2026-123268
Ubuntu:22.04:LTSlibvmdkno fix listedUBUNTU-CVE-2026-123268
Ubuntu:24.04:LTSlibvmdkno fix listedUBUNTU-CVE-2026-123268
Ubuntu:26.04:LTSlibvmdkno fix listedUBUNTU-CVE-2026-123268
Ubuntu:26.10libvmdkno fix listedUBUNTU-CVE-2026-123268

Affected products (as reported)

VendorProductVersions
libyal libvmdk 3fdd7839758e9f44ef95e1dfccde8552b860a4fc

Weakness: CWE-119 · Vector: 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

References