jetperch vulnerabilities

Products

• pymonocypher 1

Latest jetperch CVEs

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1. CVE-2026-53720 pymonocypher: Potential heap buffer overflow on nb_blocks in argon2i_32 when provided buffer is too small

   Published 2026-09-03

   Medium·CVSS 5.1 EPSS 0.18%

   pymonocypher uses cython to wrap the Monocypher C library. Prior to version 4.0.2.8, the argon2i_32 implementation does not check the nb_blocks size. If the caller does not provide a sufficiently large buffer based on the API contract, then argon2i_32 will write past the end of t...

Sources: CVE.org, NVD, CISA KEV, FIRST EPSS, OSV and public exploit-reference metadata. Product matching comes from the published CVE records. A proof-of-concept means public code exists; it is not evidence of exploitation.