EUVD-2025-18903CVSS Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Lifecycle Timeline
5Description
A vulnerability has been found in HDF5 up to 1.14.6 and classified as critical. This vulnerability affects the function H5F_addr_decode_len of the file /hdf5/src/H5Fint.c. The manipulation leads to heap-based buffer overflow. An attack has to be approached locally. The exploit has been disclosed to the public and may be used.
Analysis
A vulnerability has been found in HDF5 up to 1.14.6 and classified as critical. This vulnerability affects the function H5F_addr_decode_len of the file /hdf5/src/H5Fint.c. The manipulation leads to heap-based buffer overflow. An attack has to be approached locally. The exploit has been disclosed to the public and may be used.
Technical Context
A buffer overflow occurs when data written to a buffer exceeds its allocated size, potentially overwriting adjacent memory and corrupting program state.
Affected Products
Affected products: Hdfgroup Hdf5
Remediation
Use memory-safe languages or bounds-checked functions. Enable ASLR, DEP/NX, and stack canaries. Apply vendor patches promptly.
Priority Score
Vendor Status
Ubuntu
Priority: Medium| Release | Status | Version |
|---|---|---|
| focal | needed | - |
| jammy | needed | - |
| noble | needed | - |
| bionic | not-affected | code not present |
| oracular | ignored | end of life, was needs-triage |
| questing | needed | - |
| plucky | ignored | end of life, was needs-triage |
| trusty | not-affected | code not present |
| xenial | not-affected | code not present |
| upstream | released | 2.0.0 |
Debian
| Release | Status | Fixed Version | Urgency |
|---|---|---|---|
| bullseye | vulnerable | 1.10.6+repack-4+deb11u1 | - |
| bookworm | vulnerable | 1.10.8+repack1-1 | - |
| trixie | vulnerable | 1.14.5+repack-3 | - |
| forky, sid | vulnerable | 1.14.6+repack-2 | - |
| (unstable) | fixed | (unfixed) | unimportant |
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External POC / Exploit Code
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