CVE-2022-36234

Description of CVE-2022-36234 SimpleNetwork TCP Server commit 29bc615f0d9910eb2f59aa8dff1f54f0e3af4496 was discovered to contain a double free vulnerability which is exploited via crafted TCP packets. Triggering the double free will allow clients to crash any SimpleNetwork TCP server remotely. In...

CVE-2026-99191 calipso: keep BIG TCP payload_len in calipso_skbuff_setattr()

In the Linux kernel, the following vulnerability has been resolved: calipso: keep BIG TCP payloadlen in calipsoskbuffsetattr calipsoskbuffsetattr adjusts payloadlen by the length of the option it inserts or resizes: payload = ntohsip6hdr-payloadlen; ip6hdr-payloadlen = htonspayload + lendelta; GR...

Rocky Linux 9 [CIQ] Security Update: bind / bind-chroot / bind-debuginfo / bind-debugsource / bind-devel / etc Multiple Vulnerabilities (crlsa-2022_8068)

The Rocky Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-20228068 advisory. bind: DNS forwarders - cache poisoning vulnerability CVE-2021-25220 bind: DoS from specifically crafted TCP packets CVE-2022-0396 Tenable has extracted the...

Rocky Linux 8 [CIQ] Security Update: bind9.16 / bind9.16-chroot / bind9.16-debuginfo / etc Multiple Vulnerabilities (crlsa-2022_7643)

The Rocky Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-20227643 advisory. bind: DNS forwarders - cache poisoning vulnerability CVE-2021-25220 bind: DoS from specifically crafted TCP packets CVE-2022-0396 Tenable has extracted the...

CVE-2026-90063: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: virtio-net: Ensure that TCP packets don't overflow gsosegs The user can specify any gsosize in a packet crafted with an AFPACKET PACKETVNETHDR socket, even smaller than TCPMINGSOSIZE = 8. At the same time, GSOMAXSIZE = 8 GSOMAXSE...

kernel: netfilter: xt_tcpmss: check remaining length before reading optlen

A flaw was found in the Linux kernel, specifically within the netfilter: xttcpmss module. A remote attacker could exploit this vulnerability by sending a specially crafted TCP packet. The TCP option parser does not properly validate the remaining option length, which results in an out-of-bounds...

CVE-2025-5090

CVE-2025-5090 affects Arista CloudVision Exchange (CVX) in Arista EOS-based deployments. The issue arises when CVX processes unexpected messages from a connected switch, leading to agent crashes on CVX and instability in the CVX cluster, enabling a DoS under high-privilege conditions on the conne...

CVE-2025-5090: Improper Input Validation

CVX is not resilient to unexpected messages from a connected switch. This leads to agent crashes on CVX causing instability in the CVX cluster. An attacker could use this behavior to create a denial of service DoS scenario. Note that this would require the attacker to have a high privilege access...

GHSA-GRGV-6HW6-V9G4 Twisted has a Denial of Service (DoS) in twisted.names via Crafted DNS Compression Pointer Chains

Details The twisted.names module is vulnerable to a Denial of Service DoS attack via resource exhaustion during DNS name decompression. A remote, unauthenticated attacker can exploit this by sending a crafted TCP DNS packet containing deeply chained compression pointers. This flaw bypasses previo...

netavark has incorrect error handling for malformed tcp packets

Impact A truncated TCP DNS query followed by a connection reset causes aardvark-dns to enter an unrecoverable infinite error loop at 100% CPU. Patches https://github.com/containers/aardvark-dns/commit/3b49ea7b38bdea134b7f03256f2e13f44ce73bb1 Workarounds None Credits Thanks to @dkane01 for reporti...

Linux kernel TCP Packets In Flight DoS

The vulnerability of the tcppacketsinflight function in the include/net/tcp.h module of the Linux kernel relates to the disclosure of confidential information. Exploiting this vulnerability could allow an attacker to cause a service failure...

CVE-2026-21918

CVE-2026-21918 describes a Double Free vulnerability in the flow processing daemon (flowd) of Juniper Networks Junos OS on SRX and MX Series. The issue allows an unauthenticated, network-based attacker to cause a Denial-of-Service (DoS) by sending a specific sequence of TCP packets during session...

CVE-2009-4921

Cisco Adaptive Security Appliances ASA 5580 series devices with software before 8.12 allow remote attackers to cause a denial of service traceback via malformed TCP packets, aka Bug ID CSCsm84110...

CVE-2022-31291

An issue in dltconfigfileparser.c of dlt-daemon v2.18.8 allows attackers to cause a double free via crafted TCP packets...

CVE-2023-40718

A interpretation conflict in Fortinet IPS Engine versions 7.321, 7.166 and 6.158 allows attacker to evade IPS features via crafted TCP packets...

CVE-2021-31889

A vulnerability has been identified in Capital Embedded AR Classic 431-422 All versions, Capital Embedded AR Classic R20-11 All versions V2303, PLUSCONTROL 1st Gen All versions, SIMOTICS CONNECT 400 All versions V0.5.0.0. Malformed TCP packets with a corrupted SACK option leads to Information Lea...

CVE-2025-59301

Delta Electronics DVP15MC11T lacks proper validation of the modbus/tcp packets and can lead to denial of service...

CVE-2025-40815

A vulnerability has been identified in LOGO! 12/24RCE 6ED1052-1MD08-0BA2 All versions V1.84.05, LOGO! 12/24RCEo 6ED1052-2MD08-0BA2 All versions V1.84.05, LOGO! 230RCE 6ED1052-1FB08-0BA2 All versions V1.84.05, LOGO! 230RCEo 6ED1052-2FB08-0BA2 All versions V1.84.05, LOGO! 24CE 6ED1052-1CC08-0BA2 Al...

CVE-2025-40815: Buffer Copy without Checking Size of Input

A vulnerability has been identified in LOGO! 12/24RCE 6ED1052-1MD08-0BA2 All versions V1.84.05, LOGO! 12/24RCEo 6ED1052-2MD08-0BA2 All versions V1.84.05, LOGO! 230RCE 6ED1052-1FB08-0BA2 All versions V1.84.05, LOGO! 230RCEo 6ED1052-2FB08-0BA2 All versions V1.84.05, LOGO! 24CE 6ED1052-1CC08-0BA2 Al...

CVE-2025-10259: Improper Validation of Specified Quantity in Input

Improper Validation of Specified Quantity in Input vulnerability in TCP Communication Function on Mitsubishi Electric Corporation MELSEC iQ-F Series CPU module allows a remote attacker to disconnect the connection by sending specially crafted TCP packets to cause a denial-of-service DoS condition...