CVE-2026-76166

A flaw was found in modcluster's AdvertiseListenerImpl org.jboss.modcluster core module. A single crafted UDP multicast datagram with a valid HTTP status line and a "Server:" header but without the "Date:", "Digest:", and "Sequence:" headers triggers a NullPointerException in verifyDigest that is...

EUVD-2026-62367

A flaw was found in modcluster's AdvertiseListenerImpl org.jboss.modcluster core module. A single crafted UDP multicast datagram with a valid HTTP status line and a "Server:" header but without the "Date:", "Digest:", and "Sequence:" headers triggers a NullPointerException in verifyDigest that is...

CVE-2026-76166

CVE-2026-76166 is an unauthenticated denial-of-service vulnerability in mod_cluster 's AdvertiseListenerImpl (org.jboss.modcluster core module). A single crafted UDP multicast datagram containing a valid HTTP status line and a Server: header but missing the Date:, Digest:, and Sequence: headers t...

CVE-2026-76166 Modcluster-core: mod_cluster advertise listener: unauthenticated dos via crafted multicast datagram

A flaw was found in modcluster's AdvertiseListenerImpl org.jboss.modcluster core module. A single crafted UDP multicast datagram with a valid HTTP status line and a "Server:" header but without the "Date:", "Digest:", and "Sequence:" headers triggers a NullPointerException in verifyDigest that is...

CVE-2026-76166

A flaw was found in modcluster's AdvertiseListenerImpl org.jboss.modcluster core module. A single crafted UDP multicast datagram with a valid HTTP status line and a "Server:" header but without the "Date:", "Digest:", and "Sequence:" headers triggers a NullPointerException in verifyDigest that is...

PT-2026-78324

Name of the Vulnerable Software and Affected Versions mod cluster affected versions not specified Description A flaw exists in the AdvertiseListenerImpl of the org.jboss.modcluster core module. An unauthenticated attacker can cause a denial of service by sending a single crafted UDP multicast...

A Deep Dive into Reversing CODESYS

Industrial Control System ICS networking stacks are often the go-to bogeyman for infosec and cybersecurity professionals, and doubly so for offensive, red-team style security folks. How often have you been new on site, all ready to run a bog-standard nmap scan across the internal address space,...

PT-2020-15306 · Cloudbees +1 · Jenkins

Name of the Vulnerable Software and Affected Versions: Jenkins versions 2.218 and earlier Jenkins LTS versions 2.204.1 and earlier Description: The issue allows for a UDP amplification reflection denial of service attack on port 33848. This can be exploited by sending a specially crafted UDP...

Universal Media Server 7.1.0 - SSDP Processing XML External Entity Injection

Universal Media Server 7.1.0 - SSDP Processing XML External Entity Injection Issue: Out-of-Band XXE in Universal Media Server's SSDP Processing Reserved CVE: CVE-2018-13416 Vulnerability Overview The XML parsing engine for Universal Media Server's SSDP/UPNP functionality is vulnerable to an XML...