OSV-2026-582

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Import Source
https://github.com/google/oss-fuzz-vulns/blob/main/vulns/matio/OSV-2026-582.yaml
JSON Data
https://api.osv.dev/v1/vulns/OSV-2026-582
Published
2026-04-17T00:06:23.619732Z
Modified
2026-04-17T00:06:23.620035Z
Summary
Use-of-uninitialized-value in H5S_select_hyperslab
Details

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=502905691

Crash type: Use-of-uninitialized-value
Crash state:
H5S_select_hyperslab
H5D__chunk_io_init
H5D__read
References

Affected packages

OSS-Fuzz / matio

Package

Name
matio
Purl
pkg:generic/matio

Affected ranges

Type
GIT
Repo
https://github.com/tbeu/matio.git
Events
Introduced
a0210352e032d2fd78a8b228bb602db4bf78e897
Fixed
ec23a0328b0261bb11e1b7d394cd57b27fc517bb
Fixed
6ee36c1c832c6b39f97e8740ceacc96690f2f9cb

Ecosystem specific 

{
    "severity": "MEDIUM"
}

Database specific

source 
"https://github.com/google/oss-fuzz-vulns/blob/main/vulns/matio/OSV-2026-582.yaml"
fixed_range 
"922667d77051b57f9b855646d3ea98f507c59aa3:6ee36c1c832c6b39f97e8740ceacc96690f2f9cb"
introduced_range 
"017180a9f75724c7fe90378362ab68beaa2426f2:65dca5fb5430340b065431b3568d01985b45c5ee"