CVE-2026-3664 (GCVE-0-2026-3664)
Vulnerability from cvelistv5 – Published: 2026-03-07 14:32 – Updated: 2026-03-11 16:29
VLAI
EPSS
VEX
Title
xlnt-community xlnt Encrypted XLSX File compound_document.cpp read_directory out-of-bounds
Summary
A vulnerability was determined in xlnt-community xlnt up to 1.6.1. Impacted is the function xlnt::detail::compound_document::read_directory of the file source/detail/cryptography/compound_document.cpp of the component Encrypted XLSX File Parser. Executing a manipulation can lead to out-of-bounds read. The attack is restricted to local execution. The exploit has been publicly disclosed and may be utilized. This patch is called 147. Applying a patch is advised to resolve this issue.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-03-11 16:14 UTC
Assigner
VulDB
CNA
References
7 references
| URL | Tags |
|---|---|
| https://vuldb.com/?id.349553 | vdb-entrytechnical-description |
| https://vuldb.com/?ctiid.349553 | signaturepermissions-required |
| https://vuldb.com/?submit.764646 | third-party-advisory |
| https://github.com/xlnt-community/xlnt/issues/141 | issue-tracking |
| https://github.com/oneafter/0128/blob/main/xl5/repro | exploit |
| https://github.com/xlnt-community/xlnt/pull/147 | issue-trackingpatch |
| https://github.com/xlnt-community/xlnt/ | product |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| xlnt-community | xlnt |
Affected:
1.6.0
Affected: 1.6.1 |
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Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
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The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
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The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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