# The HDF Group HDF5.

Every CVE that names The HDF Group HDF5 among its affected products, newest first. Vendors and products are as the CNA wrote them.

## Records, newest first

- [NULL Pointer Dereference in H5HL_unprotect via Corrupted File](https://agentprime.io/advisories/CVE-2026-120758.md)
  `CVE-2026-120758` · CVE record: The HDF Group HDF5 · CVSS 5.4 Medium · Not analysed yet · Published 3 Nov 2026 · Tags: Memory corruption
- [Heap Buffer Over-read via Non-Terminated Link Data in H5L\_\_extern_traverse](https://agentprime.io/advisories/CVE-2026-120757.md)
  `CVE-2026-120757` · CVE record: The HDF Group HDF5 · CVSS 6.9 Medium · Not analysed yet · Published 3 Nov 2026 · Tags: Memory corruption
- [Heap Buffer Over-read via Malformed Message Size in HDF5's H5O\_\_chunk_deserialize](https://agentprime.io/advisories/CVE-2026-120756.md)
  `CVE-2026-120756` · CVE record: The HDF Group HDF5 · CVSS 1.9 Low · Not analysed yet · Published 3 Nov 2026 · Tags: Memory corruption
- [Uncontrolled Recursion in HDF5 H5B\_\_iterate_helper() via Crafted File](https://agentprime.io/advisories/CVE-2026-120689.md)
  `CVE-2026-120689` · CVE record: The HDF Group HDF5 · CVSS 4.3 Medium · Not analysed yet · Published 2 Nov 2026 · Tags: Denial of service
- [HDF5 heap buffer overflow in H5VM_array_fill via crafted fill-value metadata](https://agentprime.io/advisories/CVE-2026-106547.md)
  `CVE-2026-106547` · CVE record: The HDF Group HDF5 · CVSS 8.5 High · Not analysed yet · Published 6 Oct 2026 · Tags: Memory corruption
- [HDF5 scale-offset filter heap buffer over-read via crafted chunk](https://agentprime.io/advisories/CVE-2026-19029.md)
  `CVE-2026-19029` · CVE record: The HDF Group HDF5 · CVSS 6.8 Medium · Not analysed yet · Published 6 Oct 2026 · Tags: Memory corruption
- [Heap Use-After-Free in H5T\_\_conv_f_f](https://agentprime.io/advisories/CVE-2026-92627.md)
  `CVE-2026-92627` · CVE record: The HDF Group HDF5 · CVSS 4.6 Medium · Not analysed yet · Published 16 Sept 2026 · Tags: Memory corruption
- [HDF5 integer underflow in Fletcher32 filter leads to massive out-of-bounds read](https://agentprime.io/advisories/CVE-2026-19028.md)
  `CVE-2026-19028` · CVE record: The HDF Group HDF5 · CVSS 6.8 Medium · Not analysed yet · Published 5 Aug 2026 · Tags: Memory corruption, CWE-1284
- [HDF5 out-of-bounds heap read in N-Bit filter decompression](https://agentprime.io/advisories/CVE-2026-19027.md)
  `CVE-2026-19027` · CVE record: The HDF Group HDF5 · CVSS 6.9 Medium · Not analysed yet · Published 5 Aug 2026 · Tags: Memory corruption
- [Nbit filter NULL/short parameter-array dereference](https://agentprime.io/advisories/CVE-2026-19026.md)
  `CVE-2026-19026` · CVE record: The HDF Group HDF5 · CVSS 6.8 Medium · Not analysed yet · Published 5 Aug 2026 · Tags: Memory corruption, CWE-1284
- [HDF5 divide-by-zero (SIGFPE) via mismatched chunk-layout dimensionality and dataspace rank on dataset open](https://agentprime.io/advisories/CVE-2026-19025.md)
  `CVE-2026-19025` · CVE record: The HDF Group HDF5 · CVSS 6.8 Medium · Not analysed yet · Published 5 Aug 2026 · Tags: Denial of service
- [HDF5 H5Pget_fill_value NULL Pointer Dereference via Malformed Fill Value Message](https://agentprime.io/advisories/CVE-2026-19024.md)
  `CVE-2026-19024` · CVE record: The HDF Group HDF5 · CVSS 8.2 High · Not analysed yet · Published 5 Aug 2026 · Tags: Memory corruption
- [HDF5 h5dump Untrusted Pointer Dereference in Binary Output of Variable-Length String Datasets](https://agentprime.io/advisories/CVE-2026-19023.md)
  `CVE-2026-19023` · CVE record: The HDF Group HDF5 · CVSS 6.8 Medium · Not analysed yet · Published 5 Aug 2026 · Tags: Memory corruption
- [NULL Pointer Dereference in HDF5 via Invalid Variable-Length Datatype Type Tag](https://agentprime.io/advisories/CVE-2026-17574.md)
  `CVE-2026-17574` · CVE record: The HDF Group HDF5 · CVSS 5.2 Medium · Not analysed yet · Published 27 Jul 2026 · Tags: Memory corruption, Denial of service
- [Double Free in H5D\_\_chunk_copy() in HDF5 via a Crafted Chunk-Index Size Field](https://agentprime.io/advisories/CVE-2026-17573.md)
  `CVE-2026-17573` · CVE record: The HDF Group HDF5 · CVSS 4.0 Medium · Not analysed yet · Published 27 Jul 2026 · Tags: Memory corruption
- [HDF5 SOHM List Index Heap Buffer Overflow](https://agentprime.io/advisories/CVE-2026-17572.md)
  `CVE-2026-17572` · CVE record: The HDF Group HDF5 · CVSS 5.5 Medium · Not analysed yet · Published 27 Jul 2026 · Tags: Memory corruption

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