CVE-2026-34734

Katalog CVE

CVSS 7.8 · High EPSS 0,19%

Kerentanan Use After Free pada hdfgroup hdf5. Skor CVSS 3.1 7.8 (High) menurut github.com.

Deskripsi (NVD)

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.

Rincian

Terbit di NVD

9 April 2026

Terakhir diubah

15 Juli 2026

Status NVD

Modified

CVSS 3.1

7.8 (High), sumber github.com
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-416: Use After Free
CWE-825: Expired Pointer Dereference

EPSS (30 hari)

0,19% peluang dieksploitasi; lebih tinggi dari 8,1% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://github.com/HDFGroup/hdf5/security/advisories/GHSA-w7v2-9cmr-pwwj exploit · advisory vendor
• https://access.redhat.com/security/cve/CVE-2026-34734
• https://bugzilla.redhat.com/show_bug.cgi?id=2457034
• https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-34734.json