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HDF5 — security advisories

5 advisorieslatest 2026-08-06⚡ RSS feed

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CVE-2025-7069: HDF5 H5FSsection.c H5FS__sect_link_size heap-based overflow

lowCVSS 3.3CVE-2025-7069msrc2026-08-06

CVE-2026-19023: HDF5 h5dump Untrusted Pointer Dereference in Binary Output of Variable-Length String Datasets

unknownCVE-2026-19023msrc2026-08-06

CVE-2026-19024: HDF5 H5Pget_fill_value NULL Pointer Dereference via Malformed Fill Value Message

unknownCVE-2026-19024msrc2026-08-06

CVE-2025-6856: HDF5 H5FL.c H5FL__reg_gc_list use after free

lowCVSS 3.3CVE-2025-6856msrc2026-08-06

CVE-2025-6516: HDF5 H5Fint.c H5F_addr_decode_len heap-based overflow

mediumCVSS 5.3CVE-2025-6516msrc2026-08-06