Na nzacha ngwugwu ipfw adịghị ike abụọ dị na koodu nyocha nhọrọ TCP, kpatara site na nkwenye data ezighi ezi na ngwugwu netwọk arụziri. Ihe ọghọm nke mbụ (CVE-2019-5614) mgbe ị na-edozi ngwugwu TCP n'ụzọ ụfọdụ nwere ike iduga ịnweta ebe nchekwa n'èzí mfụ nke ekenyela, na nke abụọ (CVE-2019-15874) nwere ike iduga na ịnweta ebe nchekwa ndị a tọhapụrụ. ojiji-mgbe-free).
Emebebeghị nyocha maka ịdị mma nke okwu ndị achọpụtara maka nrigbu nwere ike ịkpalite ogbugbu nke koodu mwakpo, mana enwere ike na adịghị ike ahụ nwere ike ọ gaghị ejedebe na ịkpata mkpọka kernel. Edobere nsogbu ndị ahụ na FreeBSD 11.3-RELEASE-p8 na 12.1-RELEASE-p4 mmelite (emebere ndozi na ngalaba kwụsiri ike laa azụ na Disemba afọ gara aga, mana eziokwu ahụ bụ na ndozi ndị a metụtara iwepụ adịghị ike ahụ ka amara naanị ugbu a) .
isi: opennet.ru