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cve 2025 6856

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CVE-2025-6856 is a use-after-free vulnerability in the HDF5 C library, specifically in the H5FL__reg_gc_list routine within src/H5FL.c. This flaw affects HDF5 version 1.14.6, a widely used library in scientific, engineering, and high-performance computing environments. The vulnerability has been publicly disclosed with a proof-of-concept, and upstream patches are available. Users of HDF5 1.14.6 are advised to update to the patched version to mitigate potential exploitation. Discussions on WindowsForum.com cover the technical details, impact, and remediation steps for CVE-2025-6856.
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    HDF5 CVE-2025-6856 Use-After-Free: Patch 1.14.6 Now

    A use-after-free defect in the HDF5 C library — tracked as CVE-2025-6856 and rooted in the H5FL__reg_gc_list routine in src/H5FL.c — has been publicly disclosed and confirmed by multiple independent sources; the flaw affects HDF5 1.14.6, a widely embedded library in scientific, engineering, and...
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    • cve 2025 6856 hdf5 vulnerability memory safety patch management
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    • Forum: Security Alerts
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