OSV-2018-18

Heap-buffer-overflow in json_parse_object

No scoreFix available

OSV-2018-18 is a vulnerability with no CVSS score yet in file, published January 13, 2021. No source lists public exploit code. A source reports a fix.

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=9847

Crash type: Heap-buffer-overflow READ 1
Crash state:
json_parse_object
json_parse
file_is_json

What each source reports

OSV No score

Heap-buffer-overflow in json_parse_object

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=9847

Crash type: Heap-buffer-overflow READ 1
Crash state:
json_parse_object
json_parse
file_is_json

Record: OSV-2018-18
Updated: 2026-11-02

Affected packages

Affected packages
Package	Affected	Fixed
`file` OSS-Fuzz	Commit ranges	Not evaluated

Not evaluated means the source gave git commits or a range we can't read, so we can't tell which releases are affected. A fixed version beside it is the source’s own claim.

History

History
When	Changed	Sources
2026-11-02	created	OSV

References

bugs.chromium.org/p/oss-fuzz/issues/detail?id=9847