RLSA-2026:18556 Moderate: unbound security update

The unbound packages provide a validating, recursive, and caching DNS or DNSSEC resolver. Security Fixes: unbound: DNSBomb vulnerability CVE-2024-33655 unbound: Unbound domain hijacking via promiscuous records CVE-2025-11411 For more details about the security issues, including the impact, a CVSS...

CVE-2026-33811

A flaw was found in the net package of Go golang, specifically when using the LookupCNAME function with the cgo DNS resolver. A remote attacker could exploit this by providing a very long Canonical Name CNAME response. This can trigger a double-free of C memory, leading to a crash and a Denial of...

Updated bind packages fix security vulnerabilities

Updated bind package fixes security vulnerabilities: BIND 9 server memory exhaustion during GSS-API TKEY negotiation CVE-2026-3039 Amplification vulnerabilities via self-pointed glue records CVE-2026-3592 Heap use-after-free vulnerability in BIND 9 DNS-over-HTTPS implementation CVE-2026-3593...

SUSE CVE-2026-5950

An unbounded resend loop vulnerability exists in the BIND 9 resolver state machine during bad-server handling, enabling a remote unauthenticated attacker to cause severe resource exhaustion by sending queries that trigger specific retry conditions. This issue affects BIND 9 versions 9.18.36 throu...

RLSA-2026:18931 Moderate: unbound security update

The unbound packages provide a validating, recursive, and caching DNS or DNSSEC resolver. Security Fixes: unbound: DNSBomb vulnerability CVE-2024-33655 unbound: Unbound domain hijacking via promiscuous records CVE-2025-11411 For more details about the security issues, including the impact, a CVSS...

Amazon Linux 2 : golist, --advisory ALAS2-2026-3308 (ALAS-2026-3308)

The version of golist installed on the remote host is prior to 0.10.1-10. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2-2026-3308 advisory. When using LookupCNAME with the cgo DNS resolver, a very long CNAME response can trigger a double-free of C memory and a...

Amazon Linux 2023 : git-lfs (ALAS2023-2026-1722)

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2026-1722 advisory. Actions which insert URLs into the content attribute of HTML meta tags are not escaped. This can allow XSS if the meta tag also has an http-equiv attribute with the value refresh. A new GODEBU...

Amazon Linux 2 : runc, --advisory ALAS2DOCKER-2026-125 (ALASDOCKER-2026-125)

The version of runc installed on the remote host is prior to 1.3.4-5. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2DOCKER-2026-125 advisory. When using LookupCNAME with the cgo DNS resolver, a very long CNAME response can trigger a double-free of C memory and a...

CVE-2026-42960

A flaw was found in Unbound's handling of DNS reply messages, complementing the earlier CVE-2025-11411 fix. Unbound accepts and caches address records from the additional section of DNS replies when they accompany authority section RRSets other than NS such as MX records. A malicious actor who ca...

[SECURITY] Fedora 43 Update: bind-9.18.49-1.fc43

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 ...

[SECURITY] Fedora 44 Update: unbound-1.25.1-1.fc44

Unbound is a validating, recursive, and caching DNSSEC resolver. The C implementation of Unbound is developed and maintained by NLnet Labs. It is based on ideas and algorithms taken from a java prototype developed by Verisign labs, Nominet, Kirei and ep.net. Unbound is designed as a set of modula...

Important: runfinch-finch

Issue Overview: When using LookupCNAME with the cgo DNS resolver, a very long CNAME response can trigger a double-free of C memory and a crash. CVE-2026-33811 When processing HTTP/2 SETTINGS frames, transport will enter an infinite loop of writing CONTINUATION frames if it receives a...

Important: credentials-fetcher

Issue Overview: crypto/tls: handshake messages may be processed at the incorrect encryption level CVE-2025-61730 When using LookupCNAME with the cgo DNS resolver, a very long CNAME response can trigger a double-free of C memory and a crash. CVE-2026-33811 When processing HTTP/2 SETTINGS frames,...

Amazon Linux 2023 : bind, bind-chroot, bind-devel (ALAS2023-2026-1755)

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2026-1755 advisory. Fix GSS-API resource leak CVE-2026-3039 Limit resolver server list size CVE-2026-3592 An unauthenticated remote attacker can crash any affected named instance with a single crafted DNS message...

Important: bind

Issue Overview: Fix GSS-API resource leak CVE-2026-3039 Limit resolver server list size CVE-2026-3592 An unauthenticated remote attacker can crash any affected named instance with a single crafted DNS message, causing denial of service. Both authoritative servers and resolvers are affected...

TencentOS Server 3: bind (TSSA-2026:0362)

The version of Tencent Linux installed on the remote TencentOS Server 3 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the TSSA-2026:0362 advisory. Package updates are available for TencentOS Server 3 that fix the following vulnerabilities:...

Important: docker

Issue Overview: When using LookupCNAME with the cgo DNS resolver, a very long CNAME response can trigger a double-free of C memory and a crash. CVE-2026-33811 When processing HTTP/2 SETTINGS frames, transport will enter an infinite loop of writing CONTINUATION frames if it receives a...

[SECURITY] Fedora 44 Update: bind-9.18.49-1.fc44

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 ...

ROS-20260524-73-0056

A vulnerability in the ngxresolvercopy function of the nginx server is related to a single offset error resulting from writing a dot character '.', 0x2E outside of the heap buffer. Exploitation of the vulnerability could allow an attacker acting remotely to execute arbitrary code or cause a denia...

unbound: Unbound DNSSEC Validator NSEC3 Hash Calculation Limit Bypass via Negative Cache Code Path Leading to DoS

A flaw was found in Unbound's DNSSEC validator where the code path for consulting the negative cache for DS records does not honor the limit on NSEC3 hash calculations introduced in version 1.19.1. An adversary who controls a DNSSEC-signed zone can sign NSEC3 records with high iteration counts fo...