CVE-2026-116743
Medium
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.
SeverityMedium
CVSS5.5
Exploit probability—
ProductLibyal Libmsiecf
PublishedOct 26, 2026
First seenOct 26, 2026
Weakness typeCWE-415CWE-415
How to fix
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| libyal libmsiecf | v ≤ 20260525 | — |
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