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CVE-2018-13876

28
FAUCET Score

CVE-2018-13876 is a critical stack-based buffer overflow vulnerability (CWE-787) found in the HDF5 library, specifically version 1.8.20, within the H5FD_sec2_read function. This flaw allows for unauthenticated, remote attackers to execute arbitrary code, leading to complete compromise of confidentiality, integrity, and availability. Despite its critical CVSS score of 9.8, there is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
1.8.20CPE matchmatch criteria
cpe:2.3:a:hdfgroup:hdf5:1.8.20:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

9.8CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
2.27%
Probability of exploitation in next 30 days
EPSS Percentile
81.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0227 is in the 71st percentile among its peer group of 36,897 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 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 0.0 Security Researcher mentions.

Remediation

Vendor Patches (8)

redhatno patchvia redhat_api
Product: Red Hat OpenStack Platform 12 (Pike)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 OpenStack Platform 13 (Queens)Fixed in: hdf5
redhatend of lifevia redhat_api
Product: Red Hat OpenStack Platform 14 (Rocky)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 Enterprise Linux 8Fixed in: hdf5
redhatend of lifevia redhat_api
Product: Red Hat OpenStack Platform 9 (Mitaka)Fixed in: hdf5

Vendor Advisories (1)

redhatCVE-2018-13876Moderate

hdf5: stack-based buffer overflow in the function H5FD_sec2_read in H5FDsec2.c

Jul 10, 2018

References

github.com / TeamSeri0us/pocs/tree/master/hdf5
ExploitThird Party Advisory