OSEC-2026-11 Out of order segment reassembly allows remote denial of service

A remote peer that completes a normal TCP handshake can send a stream of small out-of-order segments that never fill the gap at rcvnxt. utcp keeps one reassembly entry per segment bounded per connection only by the receive window, about 65000 one-byte entries and re-folds the whole queue on every...

K3369: TCP reassembly queue vulnerability CAN-2004-0171

Security Advisory Description Note: Versions that are not listed in this article have not been evaluated for vulnerability to this security advisory. For information about the F5 security policy regarding evaluating older and unsupported versions of F5 products, refer to K4602: Overview of the F5...

Arista Networks Networks CloudVision Portal IP fragment DoS (SA0037)

The version of Arista Networks CloudVision Portal running on the remote device is affected by a denial of service DoS vulnerability. The Linux kernel is vulnerable to a DoS attack with low rates of specially modified packets targeting IP fragment re-assembly. An remote, unauthenticated attacker c...

CVE-2019-6594

On BIG-IP 11.5.1-11.6.3.2, 12.1.3.4-12.1.3.7, 13.0.0 HF1-13.1.1.1, and 14.0.0-14.0.0.2, Multi-Path TCP MPTCP does not protect against multiple zero length DATAFINs in the reassembly queue, which can lead to an infinite loop in some circumstances...

FreeBSD Security Advisory (FreeBSD-SA-04:04.tcp.asc)

The remote host is missing an update to the system as announced in the referenced advisory FreeBSD-SA-04:04.tcp.asc ADV FreeBSD-SA-04:04.tcp.asc OpenVAS Vulnerability Test $ Description: Auto generated from vuxml or freebsd advisories Authors: Thomas Reinke Copyright: Copyright c 2008 E-Soft Inc...

FreeBSD Security Advisory (FreeBSD-SA-04:04.tcp.asc)

The remote host is missing an update to the system as announced in the referenced advisory FreeBSD-SA-04:04.tcp.asc SPDX-FileCopyrightText: 2008 E-Soft Inc. Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders...

FreeBSD fails to limit number of TCP segments held in reassembly queue

Overview FreeBSD fails to limit the number of TCP segments held in a reassembly queue which could allow an attacker to exhaust all available memory buffers mbufs on the destination system resulting in a denial-of-service condition. Description The Transmission Control Protocol TCP is part of the...