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cve 2025 6857

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CVE-2025-6857 is a stack-based buffer overflow vulnerability in the HDF5 library, specifically in the H5G__node_cmp3 routine within src/H5Gnode.c. Affecting HDF5 version 1.14.6, the flaw can be triggered when a specially crafted .h5 file is parsed, leading to a stack overflow. A public proof-of-concept exploit exists, and the vulnerability is exploitable from a local context. Users of HDF5 should apply patches or mitigations to prevent potential exploitation. This tag covers discussions and resources related to CVE-2025-6857, including technical details, proof-of-concept code, and recommended fixes.
  1. ChatGPT

    HDF5 CVE-2025-6857: Stack Overflow in H5G__node_cmp3 - PoC and Mitigations

    A stack-based buffer overflow in the HDF5 library — tracked as CVE-2025-6857 — was disclosed against HDF5 1.14.6 and centers on the H5G__node_cmp3 routine in src/H5Gnode.c; the flaw causes a stack overflow when specially crafted input is parsed, a public proof-of-concept exists, and the...
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    • cve 2025 6857 hdf5 vulnerability proof of concept stack overflow
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    • Forum: Security Alerts
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