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."
CVE-2019-8396
MEDIUMNVD 6.56.5—
EchelonGraph scoreMEDIUM confidence
Score 6.5 from GitHub Security Advisory published 2022-05-14. NVD baseline CVSS 6.5; sources differ by 0.0.
Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
6.5
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
- Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 1%CVSS: 6.5Exploit: NoneExposed: 0
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 6.5
- EG Score
- 6.5(medium)
- EPSS
- 68.1%
- KEV
- Not listed
Published
February 17, 2019
Last Modified
November 21, 2024
References (2)
- cve@mitrehttps://github.com/magicSwordsMan/PAAFS/tree/master/vul4
- af854a3a-2127-422b-91ae-364da2661108https://github.com/magicSwordsMan/PAAFS/tree/master/vul4
Frequently asked(5)
What is CVE-2019-8396?
CVE-2019-8396 is a medium vulnerability published on February 17, 2019. A buffer overflow in H5Olayout_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."
When was CVE-2019-8396 disclosed?
CVE-2019-8396 was first published in the National Vulnerability Database on February 17, 2019, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2019-8396 actively exploited?
CVE-2019-8396 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 68.1% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2019-8396?
CVE-2019-8396 has a CVSS v3 base score of 6.5 (NVD).
How do I remediate CVE-2019-8396?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2019-8396, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.
Dependency Blast Radius
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