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CVE-2017-17509

27
FAUCET Score

CVE-2017-17509 is an out-of-bounds write vulnerability in HDF5 version 1.10.1, specifically within the H5G__ent_decode_vec function in libhdf5.a, affecting products like hdfgroup hdf5. This high-severity vulnerability (CVSS 8.8) can be triggered remotely with low complexity, requiring user interaction (e.g., opening a crafted HDF5 file), and could lead to a denial of service (crash) or other unspecified impacts like arbitrary code execution. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
1.10.1CPE matchmatch criteria
cpe:2.3:a:hdfgroup:hdf5:1.10.1:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

8.8HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.51%
Probability of exploitation in next 30 days
EPSS Percentile
71.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0151 is in the 71st percentile among its peer group of 14,875 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.1 Security Researcher mentions.

Remediation

Vendor Patches (7)

redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux OpenStack Platform 7 (Kilo)Fixed in: hdf5
redhatend of lifevia redhat_api
Product: Red Hat OpenStack Platform 10 (Newton)Fixed in: hdf5
redhatend of lifevia redhat_api
Product: Red Hat OpenStack Platform 11 (Ocata)Fixed in: hdf5
redhatend of lifevia redhat_api
Product: Red Hat OpenStack Platform 12 (Pike)Fixed in: hdf5
redhatend of lifevia redhat_api
Product: Red Hat OpenStack Platform 13 (Queens)Fixed in: hdf5
redhatend of lifevia redhat_api
Product: Red Hat OpenStack Platform 8 (Liberty)Fixed in: hdf5
redhatend of lifevia redhat_api
Product: Red Hat OpenStack Platform 9 (Mitaka)Fixed in: hdf5

Vendor Advisories (1)

redhatCVE-2017-17509Low

hdf5: Out-of-bounds write in the H5G__ent_decode_vec function

Dec 8, 2017

References

github.com / xiaoqx/pocs/tree/master/hdf5/readme.md
Third Party Advisory