CVE-2026-122146 (GCVE-0-2026-122146)
Vulnerability from cvelistv5 – Published: 2026-11-05 00:45 – Updated: 2026-11-05 20:32
VLAI
EPSS
VEX
Title
101arrowz fflate index.mjs unzipSync memory corruption
Summary
A weakness has been identified in 101arrowz fflate up to 0.8.3. This issue affects the function unzipSync of the file esm/index.mjs. This manipulation causes memory corruption. It is possible to initiate the attack remotely. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.
Severity
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-11-05 20:31 UTC
CWE
- CWE-119 - Memory Corruption
Assigner
VulDB
CNA
References
5 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/431150 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/431150/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-122146 | third-party-advisory |
| https://vuldb.com/submit/1027352 | third-party-advisory |
| https://github.com/ictrun/java/issues/9 | exploitissue-tracking |
Impacted products
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Sightings
| Author | Source | Type | Date | Other |
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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.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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