OSV-2020-379

Heap-buffer-overflow in UA_unbase64

No scoreFix available

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=14621

Crash type: Heap-buffer-overflow WRITE 1
Crash state:
UA_unbase64
ByteString_decodeJson
decodeFields

What each source reports

OSV No score

Heap-buffer-overflow in UA_unbase64

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=14621

Crash type: Heap-buffer-overflow WRITE 1
Crash state:
UA_unbase64
ByteString_decodeJson
decodeFields

Record: OSV-2020-379
Updated: 2026-11-02

Affected packages

Affected packages
Package	Affected	Fixed
`open62541` OSS-Fuzz	Listed versions, plus commit ranges v1.0-rc1v1.0-rc2v1.0-rc3v1.0-rc4v1.0-rc5	None known

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

OSV-2020-379 is a vulnerability with no CVSS score yet in open62541, published July 1, 2020. No source lists public exploit code. A source reports a fix.

References

bugs.chromium.org/p/oss-fuzz/issues/detail?id=14621