CVE-2025-56233

Openindiana, kernel SunOS 5.11 has a denial of service vulnerability. For the processing of TCP packets with RST or SYN flag set, Openindiana has a wide acceptable range of sequence numbers. It does not require the sequence number to exactly match the next expected sequence value, just to be with...

PT-2025-39844

Name of the Vulnerable Software and Affected Versions Openindiana, kernel SunOS 5.11 Description The software exhibits a denial of service condition due to improper handling of TCP packets. Specifically, when processing TCP packets with the RST or SYN flag set, the system accepts a wide range of...

CVE-2025-56233

CVE-2025-56233 affects Openindiana kernel SunOS 5.11. TCP processing of RST/SYN allows a wide range of sequence numbers within the receive window, breaking RFC 5961. This can enable an attacker to send multiple random RST/SYN packets and cause denial of service by disrupting legitimate connection...

Hirschmann HiOS Switches Classic Buffer Overflow (CVE-2019-12261)

The impact of this vulnerability is a buffer overflow of up to a full TCP receive-window by default, 10k-64k depending on version. The buffer overflow happens in the task calling recv/recvfrom/recvmsg. Applications that pass a buffer equal to or larger than a full TCP-window are not susceptible t...

Hirschmann HiOS Switches Classic Buffer Overflow (CVE-2019-12260)

This vulnerability could lead to a buffer overflow of up to a full TCP receive-window by default, 10k-64k depending on version. The buffer overflow happens in the task calling recv/recvfrom/recvmsg. Applications that pass a buffer equal to or larger than a full TCP-window are not susceptible to...

Yamux Memory Exhaustion Vulnerability via Active::pending_frames property

Summary Attack scenario The Rust implementation of the Yamux stream multiplexer uses a vector for pending frames. This vector is not bounded in length. Every time the Yamux protocol requires sending of a new frame, this frame gets appended to this vector. This can be remotely triggered in a numbe...

PT-2024-25032 · Yamux · Yamux

Name of the Vulnerable Software and Affected Versions: Yamux affected versions not specified Description: Yamux is a stream multiplexer over reliable, ordered connections such as TCP/IP. The Rust implementation of the Yamux stream multiplexer uses a vector for pending frames, which is not bounded...

kernel: net: tls: avoid hanging tasks on the tx_lock

A denial-of-service flaw was found in the Linux kernel's TLS implementation. An adversarial network receiver can keep the TCP receive window RWIN at zero for extended periods, causing a thread holding the txlock to sleep indefinitely. Other tasks waiting for this lock become hung, leading to syst...

SUSE CVE-2009-1926

Microsoft Windows 2000 SP4, XP SP2 and SP3, Server 2003 SP2, Vista Gold, SP1, and SP2, and Server 2008 Gold and SP2 allow remote attackers to cause a denial of service TCP outage via a series of TCP sessions that have pending data and a 1 small or 2 zero receive window size, and remain in the...

CVE-2022-36795

In BIG-IP versions 17.0.x before 17.0.0.1, 16.1.x before 16.1.3.1, 15.1.x before 15.1.7, and 14.1.x before 14.1.5.1, when an LTM TCP profile with Auto Receive Window Enabled is configured on a virtual server, undisclosed traffic can cause the virtual server to stop processing new client connectio...

CVE-2022-36795 BIG-IP software SYN cookies vulnerability CVE-2022-36795

In BIG-IP versions 17.0.x before 17.0.0.1, 16.1.x before 16.1.3.1, 15.1.x before 15.1.7, and 14.1.x before 14.1.5.1, when an LTM TCP profile with Auto Receive Window Enabled is configured on a virtual server, undisclosed traffic can cause the virtual server to stop processing new client connectio...

Scientific Linux Security Update : libssh2 on SL7.x x86_64 (20151119)

A flaw was found in the way the kexagreemethods function of libssh2 performed a key exchange when negotiating a new SSH session. A man-in-the- middle attacker could use a crafted SSHMSGKEXINIT packet to crash a connecting libssh2 client. CVE-2015-1782 This update also fixes the following bugs : -...

libssh2 security update

CentOS Errata and Security Advisory CESA-2015:2140 Updated libssh2 packages that fix one security issue and two bugs are now available for Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having Low security impact. A Common Vulnerability Scoring System CVSS base scor...

CVE-2009-1926

Microsoft Windows 2000 SP4, XP SP2 and SP3, Server 2003 SP2, Vista Gold, SP1, and SP2, and Server 2008 Gold and SP2 allow remote attackers to cause a denial of service TCP outage via a series of TCP sessions that have pending data and a 1 small or 2 zero receive window size, and remain in the...

PT-2009-4385 · Microsoft · Windows Server 2003 +5

Name of the Vulnerable Software and Affected Versions: Microsoft Windows versions 2000 SP4, XP SP2 and SP3, Server 2003 SP2, Vista Gold, SP1, and SP2, and Server 2008 Gold and SP2 Description: A denial of service issue exists due to an error in TCP/IP processing when handling specially crafted...