zeek -- potential DoS vulnerabilities

Tim Wojtulewicz of Corelight reports: A series of DNS messages containing long DNS compression chains can cause Zeek to spend a long time processing packets and potentially crash. Due to the fact that these packets can be received from remote hosts, this is a DoS risk. A specially-crafted LDAP...

RLSA-2026:8352 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:...

SUSE SLES12 Security Update : avahi (SUSE-SU-2026:1442-1)

The remote SUSE Linux SLES12 host has packages installed that are affected by a vulnerability as referenced in the SUSE- SU-2026:1442-1 advisory. This update for avahi fixes the following issue: - CVE-2026-24401: avahi-daemon can be crashed via a segmentation fault by sending an unsolicited mDNS...

SUSE SLED15 / SLES15 / openSUSE 15 Security Update : avahi (SUSE-SU-2026:1441-1)

The remote SUSE Linux SLED15 / SLEDSAP15 / SLES15 / SLESSAP15 / openSUSE 15 host has packages installed that are affected by a vulnerability as referenced in the SUSE-SU-2026:1441-1 advisory. This update for avahi fixes the following issue: - CVE-2026-24401: avahi-daemon can be crashed via a...

CVE-2026-32624 xrdp: Heap buffer overflow in xrdp_sec_process_logon_info() via incorrect g_strncat length calculation

xrdp is an open source RDP server. Versions through 0.10.5 contain a heap-based buffer overflow vulnerability in its logon processing. In environments where domainuserseparator is configured in xrdp.ini, an unauthenticated remote attacker can send a crafted, excessively long username and domain...

CVE-2026-32624 xrdp: Heap buffer overflow in xrdp_sec_process_logon_info() via incorrect g_strncat length calculation

xrdp is an open source RDP server. Versions through 0.10.5 contain a heap-based buffer overflow vulnerability in its logon processing. In environments where domainuserseparator is configured in xrdp.ini, an unauthenticated remote attacker can send a crafted, excessively long username and domain...

Security update for avahi

This update for avahi fixes the following issue: CVE-2026-24401: avahi-daemon can be crashed via a segmentation fault by sending an unsolicited mDNS response containing a recursive CNAME record bsc1257235. Patch Instructions: To install this SUSE update use the SUSE recommended installation metho...

DNSmasq 安全漏洞

DNSmasq is a DNS configuration tool developed by Simon Kelley. DNSmasq has a security vulnerability that stems from out-of-bounds writing when processing specially crafted BOOTREPLY packets. This vulnerability may lead to memory corruption and denial-of-service attacks...

GHSA-R7W7-9XR2-QQ2R langchain-openai: Image token counting SSRF protection can be bypassed via DNS rebinding

Summary langchain-openai's urltosize helper used by getnumtokensfrommessages for image token counting validated URLs for SSRF protection and then fetched them in a separate network operation with independent DNS resolution. This left a TOCTOU / DNS rebinding window: an attacker-controlled hostnam...

langchain-openai: Image token counting SSRF protection can be bypassed via DNS rebinding

Summary langchain-openai's urltosize helper used by getnumtokensfrommessages for image token counting validated URLs for SSRF protection and then fetched them in a separate network operation with independent DNS resolution. This left a TOCTOU / DNS rebinding window: an attacker-controlled hostnam...

Flowise: SSRF Protection Bypass (TOCTOU & Default Insecure)

Summary The core security wrappers secureAxiosRequest and secureFetch intended to prevent Server-Side Request Forgery SSRF contain multiple logic flaws. These flaws allow attackers to bypass the allow/deny lists via DNS Rebinding Time-of-Check Time-of-Use or by exploiting the default configuratio...

RLSA-2026:8312 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:...

OPENSUSE-SU-2026:20550-1 Security update for bind

This update for bind fixes the following issues: - Update to release 9.20.21 - CVE-2026-1519: maliciously crafted DNSSEC-validated zone can lead to denial of service bsc1260805. - CVE-2026-3104: memory leak in code preparing DNSSEC proofs of non-existence allows for DoS bsc1260567. - CVE-2026-311...

The vulnerability of the validate_stub() function in the FTLDNS DNS server (pihole-FTL) allows a hacker to execute arbitrary commands.

The vulnerability of the validatestub function in the FTLDNS pihole-FTL DNS server is related to the lack of measures taken to eliminate special elements during the processing of the parameter dns.upstreams. Exploiting this vulnerability allows a remote attacker to execute arbitrary commands...

RHEL 10 : bind (RHSA-2026:8312)

"The remote Redhat Enterprise Linux 10 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:8312 advisory. The Berkeley Internet Name Domain BIND is an implementation of the Domain Name System DNS protocols. BIND includes a DNS server named %NASLMINLEVEL...

RHEL 8 : bind (RHSA-2026:8352)

"The remote Redhat Enterprise Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:8352 advisory. The Berkeley Internet Name Domain BIND is an implementation of the Domain Name System DNS protocols. BIND includes a DNS server named %NASLMINLEVEL...

bind: BIND: Denial of Service via maliciously crafted DNSSEC-validated zone

A flaw was found in BIND. A remote attacker could exploit this vulnerability by sending a maliciously crafted DNSSEC-validated zone to a BIND resolver. This could cause the resolver to consume excessive CPU resources, leading to a denial of service DoS for legitimate users...

RLSA-2026:7675 Important: nodejs24 security update

Node.js is a platform built on Chrome's JavaScript runtime for easily building fast, scalable network applications. Node.js uses an event-driven, non-blocking I/O model that makes it lightweight and efficient, perfect for data-intensive real-time applications that run across distributed devices...

RLSA-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 ...

RLSA-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:...