CVE-2026-34734

HIGH

7.8

Descricao

HDF5 is software for managing data. In 1.14.1-2 and earlier, a heap-use-after-free was found in the h5dump helper utility. An attacker who can supply a malicious h5 file can trigger a heap use-after-free. The freed object is referenced in a memmove call from H5T__conv_struct. The original object was allocated by H5D__typeinfo_init_phase3 and freed by H5D__typeinfo_term.

Detalhes CVE

Pontuacao CVSS v3.17.8

SeveridadeHIGH

Vetor CVSSCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Vetor de ataqueLOCAL

ComplexidadeLOW

Privilegios necessariosNONE

Interacao do usuarioREQUIRED

Publicado4/9/2026

Ultima modificacao4/14/2026

Fontenvd

Avistamentos honeypot0

Produtos afetados

hdfgroup:hdf5

Fraquezas (CWE)

CWE-416

Referencias

https://github.com/HDFGroup/hdf5/security/advisories/GHSA-w7v2-9cmr-pwwj(security-advisories@github.com)

https://github.com/HDFGroup/hdf5/security/advisories/GHSA-w7v2-9cmr-pwwj(134c704f-9b21-4f2e-91b3-4a467353bcc0)

Correlacoes IOC

Sem correlacoes registradas

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