CVE-2018-16452

The SMB parser in tcpdump before 4.9.3 has stack exhaustion in smbutil.c:smb_fdata() via recursion.

• CWE-674
• CWE-674

• http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00050.html
• http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00053.html
• http://seclists.org/fulldisclosure/2019/Dec/26
• https://github.com/the-tcpdump-group/tcpdump/blob/tcpdump-4.9/CHANGESRelease Notes, Third Party Advisory
• https://github.com/the-tcpdump-group/tcpdump/commit/24182d959f661327525a20d9a94c98a8ec016778Patch, Third Party Advisory
• https://lists.debian.org/debian-lts-announce/2019/10/msg00015.html
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/62XY42U6HY3H2APR5EHNWCZ7SAQNMMJN/
• 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/R2UDPOSGVJQIYC33SQBXMDXHH4QDSDMU/
• https://seclists.org/bugtraq/2019/Dec/23
• https://seclists.org/bugtraq/2019/Oct/28
• https://security.netapp.com/advisory/ntap-20200120-0001/
• https://support.apple.com/kb/HT210788
• https://usn.ubuntu.com/4252-1/
• https://usn.ubuntu.com/4252-2/
• https://www.debian.org/security/2019/dsa-4547
• http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00050.html
• http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00053.html
• http://seclists.org/fulldisclosure/2019/Dec/26
• https://github.com/the-tcpdump-group/tcpdump/blob/tcpdump-4.9/CHANGESRelease Notes, Third Party Advisory
• https://github.com/the-tcpdump-group/tcpdump/commit/24182d959f661327525a20d9a94c98a8ec016778Patch, Third Party Advisory
• https://lists.debian.org/debian-lts-announce/2019/10/msg00015.html
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/62XY42U6HY3H2APR5EHNWCZ7SAQNMMJN/
• 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/R2UDPOSGVJQIYC33SQBXMDXHH4QDSDMU/
• https://seclists.org/bugtraq/2019/Dec/23
• https://seclists.org/bugtraq/2019/Oct/28
• https://security.netapp.com/advisory/ntap-20200120-0001/
• https://support.apple.com/kb/HT210788
• https://usn.ubuntu.com/4252-1/
• https://usn.ubuntu.com/4252-2/
• https://www.debian.org/security/2019/dsa-4547

Published

Oct 3, 2019

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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