ALSA-2026:8075 Important: bind security update

The Berkeley Internet Name Domain BIND is an implementation of the Domain Name System DNS protocols. BIND includes a DNS server named; a resolver library routines for applications to use when interfacing with DNS; and tools for verifying that the DNS server is operating correctly. Security Fixes:...

CVE-2026-33659 EspoCRM: SSRF via DNS Rebinding in Attachment fromImageUrl Endpoint Allows Internal Network Access

EspoCRM is an open source customer relationship management application. In versions 9.3.3 and below, the POST /api/v1/Attachment/fromImageUrl endpoint is vulnerable to Server-Side Request Forgery SSRF via a DNS rebinding TOCTOU condition. Host validation uses dnsgetrecord but the actual HTTP...

[SECURITY] [DLA 4529-1] bind9 security update

------------------------------------------------------------------------- Debian LTS Advisory DLA-4529-1 [email protected] https://www.debian.org/lts/security/ Bastien Roucariès April 13, 2026 https://wiki.debian.org/LTS -...

[SECURITY] Fedora 43 Update: pdns-recursor-5.2.8-1.fc43

PowerDNS Recursor is a non authoritative/recursing DNS server. Use this package if you need a dns cache for your network...

[SECURITY] Fedora 42 Update: pdns-recursor-5.2.8-1.fc42

PowerDNS Recursor is a non authoritative/recursing DNS server. Use this package if you need a dns cache for your network...

ALSA-2026:7915 Important: bind9.18 security update

BIND Berkeley Internet Name Domain is an implementation of the DNS Domain Name System protocols. BIND includes a DNS server named, which resolves host names to IP addresses; a resolver library routines for applications to use when interfacing with DNS; and tools for verifying that the DNS server ...

Important: bind9.18 security update

BIND Berkeley Internet Name Domain is an implementation of the DNS Domain Name System protocols. BIND includes a DNS server named, which resolves host names to IP addresses; a resolver library routines for applications to use when interfacing with DNS; and tools for verifying that the DNS server ...

DNS Rebinding

MCP Java SDK is vulnerable to DNS Rebinding. The vulnerability is due to lack of Origin Validation, allowing a malicious website to bypass same-origin restrictions and access a local or network-private MCP server via the victim’s browser, enabling unauthorized tool invocation...

bind: Heap use-after-free vulnerability in BIND 9 DNS-over-HTTPS implementation

A flaw was found in the BIND Berkeley Internet Name Domain DNS-over-HTTPS implementation. A remote attacker could send specially crafted HTTP/2 traffic to a DNS-over-HTTPS endpoint, leading to a use-after-free vulnerability. This could trigger memory corruption, potentially allowing the attacker ...

CVE-2026-35659 OpenClaw < 2026.3.22 - Unresolved Service Metadata Routing via Bonjour and DNS-SD Discovery

OpenClaw before 2026.3.22 contains a service discovery vulnerability where TXT metadata from Bonjour and DNS-SD could influence CLI routing even when actual service resolution failed. Attackers can exploit unresolved hints to steer routing decisions to unintended targets by providing malicious...

SUSE-SU-2026:21164-1 Security update for glibc

This update for glibc fixes the following issues: Security fixes: - CVE-2026-4437: incorrect DNS response parsing via crafted DNS server response bsc1260078. - CVE-2026-4438: invalid DNS hostname returned via gethostbyaddr functions bsc1260082. Other fixes: - nss: Missing checks in...

SUSE-SU-2026:20999-1 Security update for glibc

This update for glibc fixes the following issues: Security fixes: - CVE-2026-4437: incorrect DNS response parsing via crafted DNS server response bsc1260078. - CVE-2026-4438: invalid DNS hostname returned via gethostbyaddr functions bsc1260082. Other fixes: - nss: Missing checks in...

PT-2026-31970

OpenClaw before 2026.3.22 contains a service discovery vulnerability where TXT metadata from Bonjour and DNS-SD could influence CLI routing even when actual service resolution failed. Attackers can exploit unresolved hints to steer routing decisions to unintended targets by providing malicious...

glibc: glibc: Information disclosure via zero-valued network query

A flaw was found in glibc, the GNU C Library. When an application calls the getnetbyaddr or getnetbyaddrr functions to resolve a network address, and the system's nsswitch.conf file is configured to use a DNS Domain Name System backend for network lookups, a query for a zero-valued network can le...

glibc: glibc: Incorrect DNS response parsing via crafted DNS server response

A flaw was found in glibc the GNU C Library. When an application uses the gethostbyaddr or gethostbyaddrr functions with a nsswitch.conf configuration that specifies glibc's DNS backend, a remote attacker can send a specially crafted DNS Domain Name System response. This crafted response can caus...

ruby: use of predictable source port and transaction id in DNS requests done by resolv.rb module

resolv.rb in Ruby 1.8.5 and earlier, 1.8.6 before 1.8.6-p287, 1.8.7 before 1.8.7-p72, and 1.9 r18423 and earlier uses sequential transaction IDs and constant source ports for DNS requests, which makes it easier for remote attackers to spoof DNS responses, a different vulnerability than...

ruby: use of predictable source port and transaction id in DNS requests done by resolv.rb module

resolv.rb in Ruby 1.8.5 and earlier, 1.8.6 before 1.8.6-p287, 1.8.7 before 1.8.7-p72, and 1.9 r18423 and earlier uses sequential transaction IDs and constant source ports for DNS requests, which makes it easier for remote attackers to spoof DNS responses, a different vulnerability than...

[SECURITY] Fedora 42 Update: bind-9.18.47-1.fc42

BIND Berkeley Internet Name Domain is an implementation of the DNS Domain Name System protocols. BIND includes a DNS server named, which resolves host names to IP addresses; a resolver library routines for applications to use when interfacing with DNS; and tools for verifying that the DNS server ...

Tracing the Chain: Deep Learning for Stepping-Stone Intrusion Detection

Stepping-stone intrusions SSIs are a prevalent network evasion technique in which attackers route sessions through chains of compromised intermediate hosts to obscure their origin. Effective SSI detection requires correlating the incoming and outgoing flows at each relay host at extremely low fal...

ALSA-2026:7342 Important: kea security update

DHCP implementation from Internet Systems Consortium, Inc. that features fully functional DHCPv4, DHCPv6 and Dynamic DNS servers. Both DHCP servers fully support server discovery, address assignment, renewal, rebinding and release. The DHCPv6 server supports prefix delegation. Both servers suppor...