CVE-2026-110602
Received
Received - Intake
Heap Overflow in libmspack Due to Uninitialized Pointer Free
Vulnerability report for CVE-2026-110602, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.
Publication date: 2026-10-14
Last updated on: 2026-10-14
Assigner: VulnCheck
Description
Description
libmspack through 0.11alpha contains an uninitialized pointer free vulnerability in kwajd_open() in mspack/kwajd.c that frees unzeroed filename and extra pointers on header read errors. Attackers can supply a truncated, empty, or wrong-signature KWAJ file to crash the process or obtain an arbitrary-free memory corruption primitive.
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| kyz | libmspack | 0 |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-824 | The product accesses or uses a pointer that has not been initialized. |