FRRouting/frr from v4.0 through v10.4.1 was discovered to contain a NULL pointer dereference via the show_vty_ext_pref_pref_sid function at ospf_ext.c. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted LSA Update packet.
| Software | From | Fixed in |
|---|---|---|
| frrouting / frrouting | 4.0 | 10.4.1.x |