A vulnerability was detected in libyal libvmdk. Affected by this vulnerability is the function libvmdk_descriptor_file_read_header of the file libvmdk/libvmdk_descriptor_file.c of the component Descriptor File Parser. The manipulation results in out-of-bounds read. The attack must be initiated from a local position. The exploit is now public and may be used. The patch is identified as 175d3fc0a0b961f362f16e7560a6169d7213e16b. It is best practice to apply a patch to resolve this issue.
https://vuldb.com/vuln/431575/cti
https://vuldb.com/submit/1032842
https://vuldb.com/cve/CVE-2026-123269
https://github.com/user-attachments/files/33394231/03_integer_underflow_poc.zip
https://github.com/libyal/libvmdk/issues/41
https://github.com/libyal/libvmdk/commit/175d3fc0a0b961f362f16e7560a6169d7213e16b
Published: 2026-11-06
Updated: 2026-11-06
Base Score: 1.7
Vector: CVSS2#AV:L/AC:L/Au:S/C:N/I:N/A:P
Severity: Low
Base Score: 3.3
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Severity: Low
Base Score: 4.8
Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
Severity: Medium
EPSS: 0.00113