In Wireshark 2.6.0 to 2.6.4 and 2.4.0 to 2.4.10, the MMSE dissector could go into an infinite loop. This was addressed in epan/dissectors/packet-mmse.c by preventing length overflows.
Created wireshark tracking bugs for this issue:
Affects: fedora-all [bug 1655944]
This issue affects the versions of wireshark as shipped with Red Hat Enterprise Linux 5, 6, and 7.
Red Hat Enterprise Linux 5 is now in Extended Life Phase of the support and maintenance life cycle. This issue is not currently planned to be addressed in future updates. For additional information, refer to the Red Hat Enterprise Linux Life Cycle: https://access.redhat.com/support/policy/updates/errata/.
Red Hat Enterprise Linux 6 is now in Maintenance Support 2 Phase of the support and maintenance life cycle. This has been rated as having a security impact of Low, and is not currently planned to be addressed in future updates. For additional information, refer to the Red Hat Enterprise Linux Life Cycle: https://access.redhat.com/support/policy/updates/errata/.
This issue has been addressed in the following products:
Red Hat Enterprise Linux 7
Via RHSA-2020:1047 https://access.redhat.com/errata/RHSA-2020:1047
This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):