02 Records
FEED: ACQUIRING
01 RecordSTATE: PUBLISHED
02 Description
CNA: mitreAn issue was discovered in the HDF HDF5 1.8.20 library. There is a stack-based buffer overflow in the function H5FD_sec2_read in H5FDsec2.c, related to HDmemset.
03 Exploitation and scoring
SRC: CISA, FIRST, NVD, RED HAT- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 1.91% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Ranks above 78.4% of scored records. A rank, not a probability.
- NVD base score
- 9.8 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- Moderate. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
SCHEMA: 5.1
- Published
- 2018-07-10 21:00Z8 YR AGO
- Last updated
- 2024-09-16 18:48Z1 YR AGO
- Reserved
- 2018-07-10
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-787Out-of-bounds WriteBase
- CWE-121Stack-based Buffer OverflowVariant
- Data version
- 5.1
- Document digest
- c8d324ab1e4fda701070aabfe219c3ffff79efa36d4a356632a298d3ed228284
05 Affected products
PAIRS: 3VendorProductVersionsPlatforms
hdfgrouphdf5Not specified—