CVE-2026-6238 Buffer overread in ns_printrrf with corrupted RDATA field

The deprecated functions nsprintrrf, nsprintrr and fpnquery in the GNU C Library version 2.0.1 to version 2.43 fail to validate the RDATA content against the RDATA length in a DNS response when processing A6, CERT, LOC, TKEY or TSIG records, which may allow an attacker to craft a DNS response,...

CVE-2026-6238

The GNU C Library (glibc) versions 2.0.1 through 2.43 contain a vulnerability in the deprecated functions ns_printrrf , ns_printrr , and fp_nquery . The root cause is a failure to validate RDATA content against the RDATA length when processing A6, CERT, LOC, TKEY, or TSIG records in a DNS respons...

Important: Red Hat Security Advisory: bind security update

An update for bind is now available for Red Hat Enterprise Linux 7 Extended Lifecycle Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for...

Important: Red Hat Security Advisory: bind security update

An update for bind is now available for Red Hat Enterprise Linux 6 Extended Lifecycle Support - EXTENSION. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is...

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...

avahi: Avahi: Denial of Service via crafted mDNS/DNS-SD announcements

A flaw was found in Avahi. A remote attacker can cause a Denial of Service DoS by sending specially crafted unsolicited announcements containing CNAME resource records. These records, when pointing to other resource records with short Time-To-Live TTL values, can lead to the avahi-daemon crashing...

CVE-2026-1460

A post-authentication command injection vulnerability in the “DomainName” parameter of the DHCP configuration file in Zyxel DX3301-T0 and EX3301-T0 firmware versions through 5.50ABVY.7.1C0 could allow an authenticated attacker with administrator privileges to execute OS commands on an affected...

CVE-2026-1460

A post-authentication command injection vulnerability in the “DomainName” parameter of the DHCP configuration file in Zyxel DX3301-T0 and EX3301-T0 firmware versions through 5.50ABVY.7.1C0 could allow an authenticated attacker with administrator privileges to execute OS commands on an affected...

OpenClaw 访问控制错误漏洞

OpenClaw is an open-source intelligent artificial assistant developed by OpenClaw. Versions of OpenClaw prior to 2026.3.31 contained a access control vulnerability, which was caused by a wide-area discovery vulnerability. This vulnerability allowed arbitrary tailnet peers to be accepted as DNS...

PT-2026-35750

Name of the Vulnerable Software and Affected Versions GNU C Library versions 2.2 through 2.33 GNU C Library version 2.34 affected versions not specified Description The deprecated functions ns printrrf, ns printrr, and fp nquery fail to validate RDATA content against the RDATA length in a DNS...

Zyxel DX3301-T0和Zyxel EX3301-T0 操作系统命令注入漏洞

Both the Zyxel DX3301-T0 and Zyxel EX3301-T0 are products of the Chinese company Zyxel. The Zyxel DX3301-T0 is a small wireless WiFi router. The Zyxel EX3301-T0 is a secure routing gateway. Both the Zyxel DX3301-T0 and Zyxel EX3301-T0, including versions 5.50ABVY.7.1C0 and earlier, have an...

CVE-2026-42254

Hickory DNS hickory-recursor 0.1 through 0.25.2 allows cross-zone poisoning because cached data is not directly associated with a query that triggered a response...

CVE-2026-42254

Hickory DNS hickory-recursor 0.1 through 0.25.2 allows cross-zone poisoning because cached data is not directly associated with a query that triggered a response...

CVE-2026-42255

Technitium DNS Server before 15.0 allows DNS traffic amplification via cyclic name server delegation...

EUVD-2026-25688

Technitium DNS Server before 15.0 allows DNS traffic amplification via cyclic name server delegation...

CVE-2026-42255

Technitium DNS Server shows a vulnerability in versions before 15.0: DNS traffic amplification via cyclic name server delegation. The CVE-2026-42255 entry documents this issue (CVSS v3.1 base score 7.2, HIGH) with network-attack potential and no user interaction. Affected component is the DNS ser...

CVE-2026-42254

Hickory DNS hickory-recursor 0.1 through 0.25.2 allows cross-zone poisoning because cached data is not directly associated with a query that triggered a response...

Technitium DNS Server 安全漏洞

Technitium DNS Server is an open-source authoritative and recursive DNS server developed by the Technitium team. It can be used as a self-hosted DNS server to protect privacy and security. Versions of Technitium DNS Server prior to version 15.0 contained security vulnerabilities, which were cause...

PT-2026-35197

Technitium DNS Server before 15.0 allows DNS traffic amplification via cyclic name server delegation...

OESA-2026-2062 bind 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 ...