CVE-2018-13868
CVE-2018-13868 is a critical-severity vulnerability in Hdfgroup Hdf5 with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-125.
Key facts
- Severity: Critical (CVSS 3.x base score 9.8)
- CVSS v2: 7.5
- EPSS exploit prediction: 2% (72nd percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-125
- Affected product: Hdfgroup Hdf5
- Published:
- Last modified:
Description
An issue was discovered in the HDF HDF5 1.8.20 library. There is a heap-based buffer over-read in the function H5O_fill_old_decode in H5Ofill.c.
Frequently asked questions
- What is CVE-2018-13868?
- An issue was discovered in the HDF HDF5 1.8.20 library. There is a heap-based buffer over-read in the function H5O_fill_old_decode in H5Ofill.c.
- How severe is CVE-2018-13868?
- CVE-2018-13868 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2018-13868 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2018-13868?
- CVE-2018-13868 affects Hdfgroup Hdf5. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2018-13868?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- When was CVE-2018-13868 published?
- CVE-2018-13868 was published on 2018-07-10 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:hdfgroup:hdf5:1.8.20:*:*:*:*:*:*:*
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