CVE-2026-116743
Received
Received - Intake
Double Free in libmsiecf via Malformed MSIE Cache Index.dat
Vulnerability report for CVE-2026-116743, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.
Publication date: 2026-10-26
Last updated on: 2026-10-26
Assigner: VulnCheck
Description
Description
libyal libmsiecf through 20260525 contains a double free vulnerability in libmsiecf_url_values_read_data() that allows attackers to corrupt heap memory via crafted partial URL records. Attackers can supply a crafted MSIE cache index.dat file whose recovered partial record has an oversized unknown_offset, crashing forensic tools processing it.
CVSS Scores
EPSS Scores
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Meta Information
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-415 | The product calls free() twice on the same memory address. |