OSV-2026-721

See a problem?
Import Source
https://github.com/google/oss-fuzz-vulns/blob/main/vulns/matio/OSV-2026-721.yaml
JSON Data
https://api.osv.dev/v1/vulns/OSV-2026-721
Published
2026-05-13T00:09:11Z
Modified
2026-05-13T00:09:11Z
Summary
Heap-buffer-overflow in H5D__scatter_mem
Details

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=512001847

Crash type: Heap-buffer-overflow WRITE {*}
Crash state:
H5D__scatter_mem
H5D__scatgath_read
H5D__contig_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
ac1c67c687533d2de55f96709ed4512d4c197801
Fixed
4102f9ebf3089b6762fecd469682bfcf59660194

Ecosystem specific 

{
    "severity": "HIGH"
}

Database specific

fixed_range 
"e1e7e975e34291f213cd50348b6f750ac4c737e0:4102f9ebf3089b6762fecd469682bfcf59660194"
source 
"https://github.com/google/oss-fuzz-vulns/blob/main/vulns/matio/OSV-2026-721.yaml"