The BGP parser in tcpdump before 4.9.3 allows stack consumption in print-bgp.c:bgp_attr_print() because of unlimited recursion.Referenceshttps://github.com/the-tcpdump-group/tcpdump/blob/tcpdump-4.9/CHANGEShttps://github.com/the-tcpdump-group/tcpdump/commit/af2cf04a9394c1a56227c2289ae8da262828294ahttps://lists.debian.org/debian-lts-announce/2019/10/msg00015.htmlhttp://lists.opensuse.org/opensuse-security-announce/2019-10/msg00050.htmlhttp://lists.opensuse.org/opensuse-security-announce/2019-10/msg00053.htmlhttps://seclists.org/bugtraq/2019/Oct/28https://www.debian.org/security/2019/dsa-4547https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/R2UDPOSGVJQIYC33SQBXMDXHH4QDSDMU/https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FNYXF3IY2X65IOD422SA6EQUULSGW7FN/https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/62XY42U6HY3H2APR5EHNWCZ7SAQNMMJN/https://support.apple.com/kb/HT210788https://seclists.org/bugtraq/2019/Dec/23http://seclists.org/fulldisclosure/2019/Dec/26https://security.netapp.com/advisory/ntap-20200120-0001/https://usn.ubuntu.com/4252-2/https://usn.ubuntu.com/4252-1/
