 | 1 | initial version |
This is a known bug that has already been reported and fixed, and which will be available in the next Wireshark stable releases, currently scheduled for February 26, 2020. Refer to the Roadmap wiki page for the planned release schedule.
If you don't want to wait until the next release, you may be able to download a recent automated build from https://www.wireshark.org/download/automated/, assuming there's one available for your particular platform/OS.
See Bug 16344 for more details about the bug regarding the IPv4 fragment offset as well as the fix for it.
