CVE-2018-17234
mediumpriority · track · 26EPSS 0.013 · 71 %ileEURUUSgrimoire priorityP3 · Track
Exploitable?
—
no known exploitation
Likely / severe?
1.33% (71st) EPSS
CVSS 4.3 · medium
Who says so?
4 sources
cnnvd · enisa_euvd · fstec_bdu · nvd
EPSS · scored 2026-10-27
Memory leak in the H5O__chunk_deserialize() function in H5Ocache.c in the HDF HDF5 through 1.10.3 library allows attackers to cause a denial of service (memory consumption) via a crafted HDF5 file.
01
cvss
Technical severity, 0–10. One row per scoring source.
6.5
010
base score 0–10 · higher = more severe · hover a vector to decode
v3.06.5mediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:Hprimary · NVD / NIST USexploitability 2.8 · impact 3.6
02
weaknesses
The CWE weakness classes this flaw belongs to.
03
affected products (11)
Products and version ranges known to be affected.
04
also known as (4)
Other names and identifiers for this entity.
05
sources
Which sources assert this record, and when.
07
references (9)
External citations — patches, advisories, analysis.
- https://github.com/SegfaultMasters/covering360/tree/master/HDF5/vuln3#memory-leak---h5o__chunk_deserialize_memory_leakcnnvd
- https://lists.debian.org/debian-lts-announce/2023/08/msg00009.htmlcnnvd
- https://vigilance.fr/vulnerability/HDF5-three-vulnerabilities-38489cnnvd
- https://www.auscert.org.au/bulletins/ESB-2022.2698cnnvd
- https://www.auscert.org.au/bulletins/ESB-2023.4611cnnvd
- https://github.com/SegfaultMasters/covering360/tree/master/HDF5/vuln3#memory-leak---h5o__chunk_deserialize_memory_leakenisa_euvd
- https://lists.debian.org/debian-lts-announce/2023/08/msg00009.htmlenisa_euvd
- https://github.com/SegfaultMasters/covering360/tree/master/HDF5/vuln3#memory-leak---h5o__chunk_deserialize_memory_leakExploitThird Party Advisorynvd
scry
Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.
Free scan