CVSS 3.1 Score 9.8 of 10 (high)


Published Oct 14, 2023
Updated: Jan 24, 2024
CWE ID 190


CVE-2023-45853 is a critical vulnerability that affects MiniZip in zlib through version 1.3. It is also present in pyminizip up to version 0.2.6, as it includes the affected zlib version. The vulnerability is caused by an integer overflow and subsequent heap-based buffer overflow in zipOpenNewFileInZip4_64 when processing long filenames, comments, or extra fields. This vulnerability poses a high risk to organizations as it can be exploited remotely without any user interaction and can result in the compromise of confidentiality, integrity, and availability of affected systems. Remediation for this vulnerability involves updating the affected products to versions that address the issue.

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