Advisory ROSA-SA-2026-3136

Software: bind 9.11.36 OS: ROSA Virtualization 3.0 unaffected versions = bind-9.11.36-16.rv30.6 affected versions bind-9.11.36-16.rv30.6 CVE-ID: CVE-2025-40778 BDU-ID: 2025-13637 CVE-Crit: HIGH CVE-DESC.: A vulnerability in the BIND DNS server is related to the loading of external unreliable data...

Microsoft Discloses DNS-Based ClickFix Attack Using Nslookup for Malware Staging

Microsoft has disclosed details of a new version of the ClickFix social engineering tactic in which the attackers trick unsuspecting users into running commands that carry out a Domain Name System DNS lookup to retrieve the next-stage payload. Specifically, the attack relies on using the "nslooku...

CVE-2026-24853 Caido has an insufficient patch for DNS rebind leading to RCE

Caido is a web security auditing toolkit. Prior to 0.55.0, Caido blocks non whitelisted domains to reach out through the 8080 port, and shows Host/IP is not allowed to connect to Caido on all endpoints. But this is bypassable by injecting a X-Forwarded-Host: 127.0.0.1:8080 header. This...

BIT-CERT-MANAGER-2026-25518 cert-manager-controller DoS via Specially Crafted DNS Response

cert-manager adds certificates and certificate issuers as resource types in Kubernetes clusters, and simplifies the process of obtaining, renewing and using those certificates. In versions from 1.18.0 to before 1.18.5 and from 1.19.0 to before 1.19.3, the cert-manager-controller performs DNS...

CVE-2026-25791

Sliver is a command and control framework that uses a custom Wireguard netstack. Prior to 1.7.0, the DNS C2 listener accepts unauthenticated TOTP bootstrap messages and allocates server-side DNS sessions without validating OTP values, even when EnforceOTP is enabled. Because sessions are stored...

CVE-2026-25791 Sliver has a DNS C2 OTP Bypass Allows Unauthenticated Session Flooding and Denial of Service

Sliver is a command and control framework that uses a custom Wireguard netstack. Prior to 1.7.0, the DNS C2 listener accepts unauthenticated TOTP bootstrap messages and allocates server-side DNS sessions without validating OTP values, even when EnforceOTP is enabled. Because sessions are stored...

CVE-2026-25791

Sliver (CVE-2026-25791) reports a DNS C2 OTP bypass where the DNS listener accepts unauthenticated TOTP bootstrap messages and allocates sessions without OTP validation, even with EnforceOTP enabled. This allows unauthenticated remote session creation leading to memory exhaustion and denial of se...

Sliver 资源管理错误漏洞

Sliver is an open-source, cross-platform opponent simulation/red team framework developed by Bishop Fox. It can be used by organizations of various sizes for security testing. Versions of Sliver prior to 1.7.0 contained a resource management vulnerability. This vulnerability stemmed from the DNS ...

[SECURITY] Fedora 42 Update: bind-9.18.44-1.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 ...

Missing Authentication for Critical Function

Overview Affected versions of this package are vulnerable to Missing Authentication for Critical Function via the handleHello process. An attacker can exhaust system memory and disrupt service availability by repeatedly sending unauthenticated DNS queries that trigger unbounded session allocation...

Missing Authentication for Critical Function

Overview Affected versions of this package are vulnerable to Missing Authentication for Critical Function via the handleHello process. An attacker can exhaust system memory and disrupt service availability by repeatedly sending unauthenticated DNS queries that trigger unbounded session allocation...

Missing Authentication for Critical Function

Overview Affected versions of this package are vulnerable to Missing Authentication for Critical Function via the handleHello process. An attacker can exhaust system memory and disrupt service availability by repeatedly sending unauthenticated DNS queries that trigger unbounded session allocation...

Missing Authentication for Critical Function

Overview Affected versions of this package are vulnerable to Missing Authentication for Critical Function via the handleHello process. An attacker can exhaust system memory and disrupt service availability by repeatedly sending unauthenticated DNS queries that trigger unbounded session allocation...

GHSA-WXRW-GVG8-FQJP Sliver has DNS C2 OTP Bypass that Allows Unauthenticated Session Flooding and Denial of Service

Summary The DNS C2 listener accepts unauthenticated TOTP bootstrap messages and allocates server-side DNS sessions without validating OTP values, even when EnforceOTP is enabled. Because sessions are stored without a cleanup/expiry path in this flow, an unauthenticated remote actor can repeatedly...

Sliver has DNS C2 OTP Bypass that Allows Unauthenticated Session Flooding and Denial of Service

Summary The DNS C2 listener accepts unauthenticated TOTP bootstrap messages and allocates server-side DNS sessions without validating OTP values, even when EnforceOTP is enabled. Because sessions are stored without a cleanup/expiry path in this flow, an unauthenticated remote actor can repeatedly...

Missing Authentication for Critical Function

Overview Affected versions of this package are vulnerable to Missing Authentication for Critical Function via the handleHello process. An attacker can exhaust system memory and disrupt service availability by repeatedly sending unauthenticated DNS queries that trigger unbounded session allocation...

PT-2026-6972

Name of the Vulnerable Software and Affected Versions Sliver versions prior to 1.7.0 Description The DNS command and control C2 listener accepts unauthenticated Time-based One-Time Password TOTP bootstrap messages and allocates server-side DNS sessions without validating the OTP values, even when...

CVE-2020-37119

Nsauditor 3.0.28 and 3.2.1.0 contains a buffer overflow vulnerability in the DNS Lookup tool that allows attackers to execute arbitrary code by overwriting memory. Attackers can craft a malicious DNS query payload to trigger a three-byte overwrite, bypass ASLR, and execute shellcode through a...

CVE-2020-37119

Nsauditor 3.0.28 and 3.2.1.0 contains a buffer overflow vulnerability in the DNS Lookup tool that allows attackers to execute arbitrary code by overwriting memory. Attackers can craft a malicious DNS query payload to trigger a three-byte overwrite, bypass ASLR, and execute shellcode through a...

CVE-2020-37119 Nsauditor 3.2.1.0 - Buffer Overflow (SEH+ASLR bypass (3 bytes overwrite))

Nsauditor 3.0.28 and 3.2.1.0 contains a buffer overflow vulnerability in the DNS Lookup tool that allows attackers to execute arbitrary code by overwriting memory. Attackers can craft a malicious DNS query payload to trigger a three-byte overwrite, bypass ASLR, and execute shellcode through a...