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VuXML IDDescription
3d02520d-b309-11e9-a87f-a4badb2f4699FreeBSD -- IPv6 fragment reassembly panic in pf(4)

Problem Description:

A bug in the pf(4) IPv6 fragment reassembly logic incorrectly uses the last extension header offset from the last received packet instead of from the first packet.

Impact:

Malicious IPv6 packets with different IPv6 extensions could cause a kernel panic or potentially a filtering rule bypass.


Discovery 2019-05-14
Entry 2019-07-30
FreeBSD-kernel
ge 12.0 lt 12.0_4

ge 11.2 lt 11.2_10

CVE-2019-5597
SA-19:05.pf