OSV-2018-83

Heap-buffer-overflow in encode_LEARN

No scoreFix available

OSV-2018-83 is a vulnerability with no CVSS score yet in openvswitch, 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=12328

Crash type: Heap-buffer-overflow READ {*}
Crash state:
encode_LEARN
ofpacts_put_openflow_actions
ofputil_encode_flow_mod

What each source reports

OSV No score

Heap-buffer-overflow in encode_LEARN

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=12328

Crash type: Heap-buffer-overflow READ {*}
Crash state:
encode_LEARN
ofpacts_put_openflow_actions
ofputil_encode_flow_mod

Record: OSV-2018-83
Updated: 2026-11-02

Affected packages

Affected packages
Package	Affected	Fixed
`openvswitch` 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=12328