CVE-2026-118447 (GCVE-0-2026-118447)

Vulnerability from cvelistv5 – Published: 2026-11-03 09:01 – Updated: 2026-11-03 18:32 Unsupported When Assigned
VLAI
Title
Uninitialized INSTRUX contents returned after decoding failure in pybddisasm
Summary
A use of uninitialized memory vulnerability in the pybddisasm Python bindings may disclose process memory when instruction decoding fails. The nd_decode, nd_decode_ex, nd_decode_ex2, and nd_decode_with_context functions may return an INSTRUX object whose contents have not been initialized after an unsuccessful decoding operation, including failures caused by invalid parameters. Accessing members of the returned object may expose residual process memory. Exploitation requires an application to access and expose the returned object contents after a decoding failure. The pybddisasm package is no longer maintained.
Severity
4.8 (Medium)
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-11-03 17:23 UTC
CWE
  • CWE-457 - Use of Uninitialized Variable
Assigner
Bitdefender CNA under the mitre root
CNA scorecard – unranked: 8 records in the last 180 days, 10 needed details
References
Impacted products
Vendor Product Version CPE status
Bitdefender pybddisasm Affected: 0 , ≤ 0.3.0 (python)
guessed Create a notification for this product.
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