OSV-2020-2129

Heap-double-free in wmem_simple_free_all

No scoreFix available

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=26952

Crash type: Heap-double-free
Crash state:
wmem_simple_free_all
wmem_leave_packet_scope
fuzzshark.c

What each source reports

OSV No score

Heap-double-free in wmem_simple_free_all

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=26952

Crash type: Heap-double-free
Crash state:
wmem_simple_free_all
wmem_leave_packet_scope
fuzzshark.c

Record: OSV-2020-2129
Updated: 2026-11-02

Affected packages

Affected packages
Package	Affected	Fixed
`wireshark` OSS-Fuzz	Listed versions, plus commit ranges v3.3.0v3.3.1v3.3.1rc0v3.3.2rc0v3.4.0 Show 45 moreShow less v3.4.0rc0v3.4.0rc1v3.4.1v3.4.10v3.4.10rc0v3.4.11v3.4.11rc0v3.4.12v3.4.12rc0v3.4.13v3.4.13rc0v3.4.14rc0v3.4.1rc0v3.4.2v3.4.2rc0v3.4.3v3.4.3rc0v3.4.4v3.4.4rc0v3.4.5v3.4.5rc0v3.4.6v3.4.6rc0v3.4.7v3.4.7rc0v3.4.8v3.4.8rc0v3.4.9v3.4.9rc0v3.5.0rc0wireshark-3.4.0wireshark-3.4.1wireshark-3.4.10wireshark-3.4.11wireshark-3.4.12wireshark-3.4.13wireshark-3.4.2wireshark-3.4.3wireshark-3.4.4wireshark-3.4.5wireshark-3.4.6wireshark-3.4.7wireshark-3.4.8wireshark-3.4.9v3.4.14	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-2020-2129 is a vulnerability with no CVSS score yet in wireshark, published November 5, 2020. No source lists public exploit code. A source reports a fix.

References

bugs.chromium.org/p/oss-fuzz/issues/detail?id=26952

This page doesn't list everything

Left out here: 8 versions. The JSON record has them.