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...

Vulnerability of the gdi_CacheToSurface() function in the RDP client FreeRDP, allowing a hacker to execute arbitrary code and cause service failure

The vulnerability of the gdiCacheToSurface function in the RDP client FreeRDP is related to buffer overflow in dynamic memory. Exploiting this vulnerability allows a remote attacker to execute arbitrary code and cause a service failure by sending specially crafted RDPGFX packets...

ROS-20260526-73-0006

Vulnerability in python-relenv related to improper dynamic memory cleanup. Exploitation of the vulnerability allows a remote attacker to bypass security restrictions and cause a denial of service by sending specially crafted smb2 packets...

Astra Linux – Vulnerability in Wireshark

The XRA dissector infinite loop in Wireshark versions 4.0.0 to 4.0.5, and 3.6.0 to 3.6.13 allows for denial of service through packet injection or malicious capture files...

Astra Linux – Vulnerability in Wireshark

The SSH dissector in Wireshark versions 4.0.0 to 4.0.10 allows for denial of service through packet injection or malicious capture files...

Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15, Linux-6.1

A flaw was discovered in the Linux kernel’s NVMe driver. This issue may allow an unauthenticated malicious actor to send a set of crafted TCP packets when using NVMe over TCP. This can lead to the NVMe driver dereferencing a NULL pointer, resulting in kernel panic and a denial of service...

Astra Linux – Vulnerability in Wireshark

An infinite loop in the BitTorrent DHT dissector in Wireshark versions 3.6.0, 3.4.0, and 3.4.10 allows for denial of service through packet injection or malicious capture files...

Astra Linux – Vulnerability in Chromium

Before version 96.0.4664.93, using WebRTC in Google Chrome allowed a remote attacker to potentially exploit heap corruption through crafted WebRTC packets...

Astra Linux – Vulnerability in Wireshark

Excessive memory consumption in the MS-WSP dissector in Wireshark versions 3.4.0 to 3.4.4, and 3.2.0 to 3.2.12 may allow denial of service through packet injection or malicious capture files...

Astra Linux – Vulnerability in Wireshark

A large loop in the PNRP dissector in Wireshark versions 3.4.0 to 3.4.9, and 3.2.0 to 3.2.17 allows for denial of service through packet injection or malicious capture files...

Astra Linux – Vulnerability in Wireshark

A crash in the CMS protocol dissector in Wireshark versions 3.6.0 to 3.6.1 and 3.4.0 to 3.4.11 allows for denial of service through packet injection or malicious capture files...

Astra Linux – Vulnerability in dnsmasq

A single-byte, non-arbitrary write/use-after-free flaw was discovered in dnsmasq. This flaw allows an attacker to send a crafted packet processed by dnsmasq, potentially causing a denial of service...

ALSA-2026:19200 Moderate: corosync security update

The corosync packages provide the Corosync Cluster Engine and C APIs for AlmaLinux cluster software. Security Fixes: corosync: Corosync: Denial of Service and information disclosure via crafted UDP packet CVE-2026-35091 corosync: Corosync: Denial of Service via integer overflow in join message...

EUVD-2026-30581

Missing bounds validation in the MQTT v5.0 property parser in coreMQTT before 5.0.1 allows an MQTT broker to cause a denial of service by sending a crafted packet. To remediate this issue, users should upgrade to v5.0.1...

PT-2026-41372

Missing bounds validation in the MQTT v5.0 property parser in coreMQTT before 5.0.1 allows an MQTT broker to cause a denial of service by sending a crafted packet. To remediate this issue, users should upgrade to v5.0.1...

CVE-2026-23826

A vulnerability in a network management service of AOS-8 Operating System could allow an unauthenticated remote attacker to exploit this vulnerability by sending specially crafted network packets to the affected device, potentially resulting in a denial-of-service condition. Successful exploitati...

CVE-2026-42304 Twisted: Denial of Service (DoS) in twisted.names via Crafted DNS Compression Pointer Chains

Twisted is an event-based framework for internet applications, supporting Python 3.6+. Prior to 26.4.0rc2, 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...

CVE-2026-8369 Improper Input Validation in OpenThread NAT64 Translator

Improper Input Validation in the NAT64 translator in The OpenThread Authors OpenThread before commit 26a882d on all platforms allows an attacker on the adjacent IPv4 network to inject corrupted IPv6 packets into the Thread mesh or bypass security checks via crafted IPv4 packets with options...

SUSE CVE-2026-4891

A heap-based out-of-bounds read vulnerability in the DNSSEC validation of dnsmasq allows remote attackers to cause a denial of service via a crafted DNS packet...

SUSE CVE-2026-4892

A heap-based out-of-bounds write vulnerability in the DHCPv6 implementation of dnsmasq allows local attackers to execute arbitrary code with root privileges via a crafted DHCPv6 packet...