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CVE-2018-11207

21
FAUCET Score

CVE-2018-11207 is a division-by-zero vulnerability found in the HDF5 library, specifically in the H5D__chunk_init function of H5Dchunk.c, affecting HDF HDF5 version 1.10.2. This flaw carries a CVSSv3 score of 6.5 (Medium), indicating it can be exploited remotely with low attack complexity, requiring user interaction, to cause a high impact denial-of-service. Currently, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
1.10.2CPE matchmatch criteria
cpe:2.3:a:hdfgroup:hdf5:1.10.2:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

6.5MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
2.18%
Probability of exploitation in next 30 days
EPSS Percentile
80.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0218 is in the 90th percentile among its peer group of 26,221 CVEs.

Social Chatter

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

Media Mentions

No media coverage found for this CVE.

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

Remediation

Vendor Patches (7)

redhatvendor investigatingvia redhat_api
Product: Red Hat OpenStack Platform 13 (Queens)Fixed in: hdf5
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 Enterprise Linux 8Fixed 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
redhatend of lifevia redhat_api
Product: Red Hat OpenStack Platform 12 (Pike)Fixed in: hdf5

Vendor Advisories (1)

redhatCVE-2018-11207Low

hdf5: division by zero in H5D__chunk_init in H5Dchunk.c

May 16, 2018

References

github.com / SegfaultMasters/covering360/tree/master/HDF5
ExploitThird Party Advisory
github.com / Twi1ight/fuzzing-pocs/tree/master/hdf5
Third Party Advisory