OSV-2020-1611

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Import Source
https://github.com/google/oss-fuzz-vulns/blob/main/vulns/libyaml/OSV-2020-1611.yaml
JSON Data
https://api.osv.dev/v1/vulns/OSV-2020-1611
Published
2020-08-14T00:01:51Z
Modified
2026-09-10T14:14:39Z
Summary
Heap-buffer-overflow in yaml_emitter_emit_flow_mapping_key
Details

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=24869

Crash type: Heap-buffer-overflow READ 4
Crash state:
yaml_emitter_emit_flow_mapping_key
yaml_emitter_state_machine
yaml_emitter_emit
References

Affected packages

OSS-Fuzz / libyaml

Package

Name
libyaml
Purl
pkg:generic/libyaml

Affected ranges

Type
GIT
Repo
https://github.com/yaml/libyaml
Events
Introduced
acd6f6f014c25e46363e718381e0b35205df2d83

Affected versions

0.*
0.2.6-rc.1

Ecosystem specific 

{
    "severity": "MEDIUM"
}

Database specific

source 
"https://github.com/google/oss-fuzz-vulns/blob/main/vulns/libyaml/OSV-2020-1611.yaml"