CVE-2019-8396

medium
Published — · Modified —
CVSS v3
CVSS v2
VIR risk
5.5

Description

A buffer overflow in H5O__layout_encode in H5Olayout.c in the HDF HDF5 through 1.10.4 library allows attackers to cause a denial of service via a crafted HDF5 file. This issue was triggered while repacking an HDF5 file, aka "Invalid write of size 2."

Predictions

Exploit likelihood
20%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2019-8396

vendor Authored 2026-05-27

Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2019-8396.html

OS impact

OSVersionStatusFixed in
arch archfixed1.10.5-1
suse slesaffected
debian debianbookwormaffected
debian debianbullseyeaffected
debian debianforkyfixed1.14.5+repack-1
debian debiansidfixed1.14.5+repack-1
debian debiantrixiefixed1.14.5+repack-1

References

Verify integrity in audit chain (admin only). AS-IS.