Cisco IOS XR through 5.3.2 mishandles Local Packet Transport Services (LPTS) flow-base entries, which allows remote attackers to cause a denial of service (session drop) by making many connection attempts to open TCP ports, aka Bug ID CSCux95576.

Cisco IP Phone 8800 devices with software 11.0(1) allow remote attackers to cause a denial of service (memory corruption) via a crafted HTTP request, aka Bug ID CSCuz03038.

The client_host function in parsers.c in Privoxy before 3.0.24 allows remote attackers to cause a denial of service (invalid read and crash) via an empty HTTP Host header.

Realtime Internet Band Rehearsal Low-Latency (Internet) Connection tool (llcon) before 2.1.2 allows remote attackers to cause a denial of service (application crash) via malformed protocol messages.

The fragment_add_work function in epan/reassemble.c in Wireshark 0.8.19 through 1.0.1 allows remote attackers to cause a denial of service (crash) via a series of fragmented packets with non-sequential fragmentation offset values, which lead to a buffer over-read.

An issue was discovered in HCC Nichestack 3.0. The code that parses TCP packets relies on an unchecked value of the IP payload size (extracted from the IP header) to compute the length of the TCP payload within the TCP checksum computation function. When the IP payload size is set to be smaller than the size of the IP header, the TCP checksum computation function may read out of bounds (a low-impact write-out-of-bounds is also possible).

Cisco IOS XR 4.2.3, 4.3.0, 4.3.4, and 5.3.1 on ASR 9000 devices allows remote attackers to cause a denial of service (CRC and symbol errors, and interface flap) via crafted bit patterns in packets, aka Bug ID CSCuv78548.

An off-path attacker can cause a preemptible client association to be demobilized in NTP 4.2.8p4 and earlier and NTPSec a5fb34b9cc89b92a8fef2f459004865c93bb7f92 by sending a crypto NAK packet to a victim client with a spoofed source address of an existing associated peer. This is true even if authentication is enabled.

A vulnerability in the email message filtering feature of Cisco AsyncOS Software for Cisco Email Security Appliances could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device.Affected Products: This vulnerability affects all releases prior to the first fixed release of Cisco AsyncOS Software for Cisco Email Security Appliances, both virtual and hardware appliances, if the software is configured to apply a message filter that contains certain rules. More Information: CSCux59873. Known Affected Releases: 8.5.6-106 9.1.0-032 9.7.0-125. Known Fixed Releases: 9.1.1-038 9.7.1-066.

The IMAP server in NoticeWare Email Server NG 4.6.3 and earlier allows remote attackers to cause a denial of service (daemon crash) via multiple long LOGIN commands.

The web GUI on Cisco Small Business 500 devices 1.2.0.92 allows remote attackers to cause a denial of service via a crafted HTTP request, aka Bug ID CSCul65330.

The Neighbor Discovery (ND) protocol implementation in the IPv6 stack in Cisco IOS XE 2.1 through 3.17S, IOS XR 2.0.0 through 5.3.2, and NX-OS allows remote attackers to cause a denial of service (packet-processing outage) via crafted ND messages, aka Bug ID CSCuz66542, as exploited in the wild in May 2016.

The decryption function in Flagship Industries Ventrilo 3.0.2 and earlier allows remote attackers to cause a denial of service (NULL pointer dereference and server crash) by sending a type 0 packet with an invalid version followed by another packet to TCP port 3784.

Cisco TelePresence Video Communications Server (VCS) X8.x before X8.7.2 allows remote attackers to cause a denial of service (service disruption) via a crafted URI in a SIP header, aka Bug ID CSCuy43258.

Unreal Tournament 2004 (UT2004) 3369 and earlier allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a certain sequence of malformed packets.

A vulnerability has been identified in SIMATIC S7-400 (incl. F) CPU hardware version 4.0 and below (All versions), SIMATIC S7-400 (incl. F) CPU hardware version 5.0 (All firmware versions < V5.2), SIMATIC S7-400H CPU hardware version 4.5 and below (All versions). The affected CPUs improperly validate S7 communication packets which could cause a Denial-of-Service condition of the CPU. The CPU will remain in DEFECT mode until manual restart.

Under certain conditions on F5 BIG-IP 13.0.0, 12.1.0-12.1.2, 11.6.0-11.6.3.1, or 11.5.0-11.5.6, TMM may core while processing SSL forward proxy traffic.

A vulnerability was discovered in 389-ds-base through versions 1.3.7.10, 1.3.8.8 and 1.4.0.16. The lock controlling the error log was not correctly used when re-opening the log file in log__error_emergency(). An attacker could send a flood of modifications to a very large DN, which would cause slapd to crash.

Juniper Junos OS before 12.1X46-D45, 12.1X46-D50, 12.1X47 before 12.1X47-D35, 12.3X48 before 12.3X48-D30, 13.3 before 13.3R9-S1, 14.1 before 14.1R7, 14.2 before 14.2R6, 15.1 before 15.1F2-S5, 15.1F4 before 15.1F4-S2, 15.1R before 15.1R2-S3, 15.1 before 15.1R3, and 15.1X49 before 15.1X49-D40 allow remote attackers to cause a denial of service (kernel crash) via a crafted UDP packet destined to the interface IP address of a 64-bit OS device.

The web-based management interface on Cisco Small Business 220 devices with firmware before 1.0.1.1 allows remote attackers to cause a denial of service (interface outage) via a crafted HTTP request, aka Bug ID CSCuz76238.

goform/WClientMACList on Cisco EPC3928 devices allows remote attackers to cause a denial of service (device crash) via a long h_sortWireless parameter, related to a "Gateway Client List Denial of Service" issue, aka Bug ID CSCux24948.

A vulnerability has been identified in SIMATIC S7-1500 CPU (All versions >= V2.0 and < V2.5), SIMATIC S7-1500 CPU (All versions <= V1.8.5). Specially crafted network packets sent to port 80/tcp or 443/tcp could allow an unauthenticated remote attacker to cause a Denial-of-Service condition of the device. The security vulnerability could be exploited by an attacker with network access to the affected systems on port 80/tcp or 443/tcp. Successful exploitation requires no system privileges and no user interaction. An attacker could use the vulnerability to compromise availability of the device. At the time of advisory publication no public exploitation of this security vulnerability was known.

A prototype pollution attack in cached-path-relative versions <=1.0.1 allows an attacker to inject properties on Object.prototype which are then inherited by all the JS objects through the prototype chain causing a DoS attack.

SAPlpd through 7400.3.11.33 in SAP GUI 7.40 on Windows has a Denial of Service vulnerability (service crash) with a long string to TCP port 515.

jadedown is vulnerable to regular expression denial of service (ReDoS) when certain types of user input is passed in.

Home FTP Server 1.10.1.139 allows remote attackers to cause a denial of service (daemon outage) via multiple invalid SITE INDEX commands.

An unspecified ISAPI extension in VMware Server before 1.0.7 build 108231 allows remote attackers to cause a denial of service (IIS crash) via a malformed request.

runtime/JSONObject.cpp in JavaScriptCore in WebKit, as distributed in Safari Technology Preview Release 18, allows remote attackers to cause a denial of service (segmentation violation and application crash) via crafted JavaScript code that triggers a "type confusion" in the JSON.stringify function.

Brave Browser before 0.13.0 allows a tab to close itself even if the tab was not opened by a script, resulting in denial of service.

negotiator is an HTTP content negotiator for Node.js and is used by many modules and frameworks including Express and Koa. The header for "Accept-Language", when parsed by negotiator 0.6.0 and earlier is vulnerable to Regular Expression Denial of Service via a specially crafted string.

jshamcrest is vulnerable to regular expression denial of service (ReDoS) when certain types of user input is passed in to the emailAddress validator.

In Bro through 2.5.5, there is a DoS in IRC protocol names command parsing in analyzer/protocol/irc/IRC.cc.

ws is a "simple to use, blazing fast and thoroughly tested websocket client, server and console for node.js, up-to-date against RFC-6455". By sending an overly long websocket payload to a `ws` server, it is possible to crash the node process. This affects ws 1.1.0 and earlier.

PHP 4.4.x before 4.4.9, and 5.x through 5.2.6, when used as a FastCGI module, allows remote attackers to cause a denial of service (crash) via a request with multiple dots preceding the extension, as demonstrated using foo..php.

A denial of service vulnerability in the Qualcomm WiFi driver. Product: Android. Versions: Android kernel. Android ID: A-34390620. References: QC-CR#1046409.

Minimatch is a minimal matching utility that works by converting glob expressions into JavaScript `RegExp` objects. The primary function, `minimatch(path, pattern)` in Minimatch 3.0.1 and earlier is vulnerable to ReDoS in the `pattern` parameter.

The CLI_ISCONTAINED macro in libclamav/others.h in ClamAV before 0.95.1 allows remote attackers to cause a denial of service (application crash) via a malformed file with UPack encoding.

Multiple Yokogawa products that contain Vnet/IP Open Communication Driver (CENTUM CS 3000(R3.05.00 - R3.09.50), CENTUM CS 3000 Entry Class(R3.05.00 - R3.09.50), CENTUM VP(R4.01.00 - R6.03.10), CENTUM VP Entry Class(R4.01.00 - R6.03.10), Exaopc(R3.10.00 - R3.75.00), PRM(R2.06.00 - R3.31.00), ProSafe-RS(R1.02.00 - R4.02.00), FAST/TOOLS(R9.02.00 - R10.02.00), B/M9000 VP(R6.03.01 - R8.01.90)) allows remote attackers to cause a denial of service attack that may result in stopping Vnet/IP Open Communication Driver's communication via unspecified vectors.

In UrBackup 2.2.6, an attacker can send a malformed request to the client over the network, and trigger a fileservplugin/CClientThread.cpp CClientThread::ProcessPacket metadata_id!=0 assertion, leading to shutting down the client application.

The crypto/x509 package of Go before 1.10.6 and 1.11.x before 1.11.3 does not limit the amount of work performed for each chain verification, which might allow attackers to craft pathological inputs leading to a CPU denial of service. Go TLS servers accepting client certificates and TLS clients are affected.

public\install\install.php in CIM 0.9.3 allows remote attackers to reload the product via the public/install/#/step3 URI.

The forms-based authentication implementation in Active Directory Federation Services (ADFS) 3.0 in Microsoft Windows Server 2012 R2 allows remote attackers to cause a denial of service (daemon outage) via crafted data, aka "Microsoft Active Directory Federation Services Denial of Service Vulnerability."

Sync Framework in Microsoft Windows 8.1, Windows Server 2012 R2, and Windows RT 8.1 allows remote attackers to cause a denial of service (SyncShareSvc service outage) via crafted "change batch" data, aka "Windows DLL Loading Denial of Service Vulnerability."

The ApiThread function in the firewall service (aka TmPfw.exe) in Trend Micro Network Security Component (NSC) modules, as used in Trend Micro OfficeScan 8.0 SP1 Patch 1 and Internet Security 2007 and 2008 17.0.1224, allows remote attackers to cause a denial of service (service crash) via a packet with a large value in an unspecified size field.

Network Policy Server (NPS) in Microsoft Windows Server 2008 SP2 and R2 SP1 and Server 2012 Gold and R2 misparses username queries, which allows remote attackers to cause a denial of service (RADIUS authentication outage) via crafted requests, aka "Network Policy Server RADIUS Implementation Denial of Service Vulnerability."

A vulnerability in the MPLS Operation, Administration, and Maintenance (OAM) feature of Cisco NX-OS Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. This vulnerability is due to improper input validation when an affected device is processing an MPLS echo-request or echo-reply packet. An attacker could exploit this vulnerability by sending malicious MPLS echo-request or echo-reply packets to an interface that is enabled for MPLS forwarding on the affected device. A successful exploit could allow the attacker to cause the MPLS OAM process to crash and restart multiple times, causing the affected device to reload and resulting in a DoS condition.

Unspecified vulnerability in the JDBC Applet Server Service (aka db2jds) in IBM DB2 UDB 8 before Fixpak 17 allows remote attackers to cause a denial of service (service crash) via "malicious packets."

HydraIRC 0.3.164 and earlier allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a long irc:// URI.

NodeJS Tough-Cookie version 2.2.2 contains a Regular Expression Parsing vulnerability in HTTP request Cookie Header parsing that can result in Denial of Service. This attack appear to be exploitable via Custom HTTP header passed by client. This vulnerability appears to have been fixed in 2.3.0.