OSV-2026-1110

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Import Source
https://github.com/google/oss-fuzz-vulns/blob/main/vulns/mruby/OSV-2026-1110.yaml
JSON Data
https://api.osv.dev/v1/vulns/OSV-2026-1110
Published
2026-08-04T00:03:39Z
Modified
2026-08-04T00:03:39Z
Summary
Check failed in CheckUnwind
Details

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=541969271

Crash type: Check failed
Crash state:
CheckUnwind
mrb_basic_alloc_func
pm_node_hash_insert
References

Affected packages

OSS-Fuzz / mruby

Package

Name
mruby
Purl
pkg:generic/mruby

Affected ranges

Type
GIT
Repo
https://github.com/mruby/mruby
Events
Introduced
03f0dc3c5aba72fe42029dfb7aef5b98385a16b5
Fixed
430e1d4f52bc98024e5a15d45c6c61efefcc1764

Affected versions

4.*
4.1.0-rc

Ecosystem specific 

{
    "severity": null
}

Database specific

fixed_range 
"cafbd6691d971b110dcaedf64b37833d7a4f34cf:430e1d4f52bc98024e5a15d45c6c61efefcc1764"
introduced_range 
"7b503f3a345f32089f5fde3833159c62be51e59c:d36d48f9715ce684c526c7041068c3e932d3c492"
source 
"https://github.com/google/oss-fuzz-vulns/blob/main/vulns/mruby/OSV-2026-1110.yaml"