SUSE CVE-2026-82717

In NLnet Labs Unbound up to and including 1.26.0, a vulnerability was found in that can progressively corrupt heap memory and under certain systems and compilation options could lead to remote code execution. The vulnerability starts when CNAME synthesis during an upstream response needs to...

A week in security (September 14 – September 20)

Last week on Malwarebytes Labs: New Android malware uses AI to steal bank logins and PINs Did an AI really try to break free from human control? Fake parcel delivery messages steal your card and bank details Flock cameras are tracking people as well as cars Revolut phishing texts appear days afte...

EulerOS Virtualization 2.12.1 : unbound (EulerOS-SA-2026-3623)

According to the versions of the unbound packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : NLnet Labs Unbound up to and including version 1.25.0 has a vulnerability when handling replies with very large RRsets that Unboun...

Amazon Linux 2 : unbound (ALASUNBOUND-1.17-2026-010)

The version of unbound installed on the remote host is prior to 1.17.0-2. It is, therefore, affected by a vulnerability as referenced in the ALAS2UNBOUND-1.17-2026-010 advisory. In NLnet Labs Unbound up to and including 1.26.0, a vulnerability was found in the DNSSEC validator that enables denial...

Amazon Linux 2023 : python3-unbound, unbound, unbound-anchor (ALAS2023-2026-3101)

It is, therefore, affected by a vulnerability as referenced in the ALAS2023-2026-3101 advisory. In NLnet Labs Unbound up to and including 1.26.0, a vulnerability was found in the DNSSEC validator that enables denial of service and possible remote code execution as a result of digesting DNSKEYs. A...

Amazon Linux 2 : unbound (ALAS-2026-3928)

The version of unbound installed on the remote host is prior to 1.7.3-15. It is, therefore, affected by a vulnerability as referenced in the ALAS2-2026-3928 advisory. In NLnet Labs Unbound up to and including 1.26.0, a vulnerability was found in the DNSSEC validator that enables denial of service...

EulerOS 2.0 SP10 : unbound (EulerOS-SA-2026-3725)

According to the versions of the unbound packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : NLnet Labs Unbound 1.16.2 up to and including version 1.25.0 has a vulnerability of the 'ghost domain names' family of attacks that could extend...

Critical: unbound

Issue Overview: In NLnet Labs Unbound up to and including 1.26.0, a vulnerability was found in the DNSSEC validator that enables denial of service and possible remote code execution as a result of digesting DNSKEYs. A DNSKEY with an owner compression pointer to its own RDATA can overflow the dige...

FreeBSD : Unbound -- multiple vulnerabilities (3f4d285d-b1f6-11f1-8f5e-3c7c3fba4204)

The version of FreeBSD installed on the remote host is prior to tested version. It is, therefore, affected by multiple vulnerabilities as referenced in the 3f4d285d-b1f6-11f1-8f5e-3c7c3fba4204 advisory. NLnet Labs reports: This release consolidates security fixes for issues reported over a period...

Critical: unbound

Issue Overview: In NLnet Labs Unbound up to and including 1.26.0, a vulnerability was found in the DNSSEC validator that enables denial of service and possible remote code execution as a result of digesting DNSKEYs. A DNSKEY with an owner compression pointer to its own RDATA can overflow the dige...

CVE-2026-82717

In NLnet Labs Unbound up to and including 1.26.0, a vulnerability was found in that can progressively corrupt heap memory and under certain systems and compilation options could lead to remote code execution. The vulnerability starts when CNAME synthesis during an upstream response needs to...

CVE-2026-81642

In NLnet Labs Unbound up to and including 1.26.0, a vulnerability was found in the DNSSEC validator that enables denial of service and possible remote code execution as a result of digesting DNSKEYs. A DNSKEY with an owner compression pointer to its own RDATA can overflow the digest buffer. Remot...

DEBIAN-CVE-2026-81634

In NLnet Labs Unbound up to and including 1.26.0, a 255 length query name with a large TCP response can lead to a heap buffer overflow during the RRSet canonicalisation routine. This is caused by missing to add the first owner name into the buffer length check. A malicious actor operating a...

CVE-2026-82720

NLnet Labs Unbound 1.12.0 up to and including 1.26.0 has a use-after-free vulnerability when compiled for DNS-over-HTTPs support with '--with-libnghttp2'. During failure code paths i.e., RPZ drop query, jostle due to heavy traffic, a dropped DoH stream brings down the whole DoH session and does n...

CVE-2026-85501

Novel vulnerabilities to launch algorithmic complexity attacks on DNSSEC have been researched under the term 'ReTrap'. These result in degradation of service when malicious zones are used to serve the algorithmic complexity vulnerabilities. NLnet Labs Unbound up to and including 1.26.0 is...

CVE-2026-85501

Novel vulnerabilities to launch algorithmic complexity attacks on DNSSEC have been researched under the term 'ReTrap'. These result in degradation of service when malicious zones are used to serve the algorithmic complexity vulnerabilities. NLnet Labs Unbound up to and including 1.26.0 is...

DEBIAN-CVE-2026-82720

NLnet Labs Unbound 1.12.0 up to and including 1.26.0 has a use-after-free vulnerability when compiled for DNS-over-HTTPs support with '--with-libnghttp2'. During failure code paths i.e., RPZ drop query, jostle due to heavy traffic, a dropped DoH stream brings down the whole DoH session and does n...

AZL-101721 CVE-2026-81634 affecting package unbound for versions less than 1.26.1-1

In NLnet Labs Unbound up to and including 1.26.0, a 255 length query name with a large TCP response can lead to a heap buffer overflow during the RRSet canonicalisation routine. This is caused by missing to add the first owner name into the buffer length check. A malicious actor operating a...

AZL-101700 CVE-2026-82717 affecting package unbound for versions less than 1.26.1-1

In NLnet Labs Unbound up to and including 1.26.0, a vulnerability was found in that can progressively corrupt heap memory and under certain systems and compilation options could lead to remote code execution. The vulnerability starts when CNAME synthesis during an upstream response needs to...

ALPINE-CVE-2026-82717

In NLnet Labs Unbound up to and including 1.26.0, a vulnerability was found in that can progressively corrupt heap memory and under certain systems and compilation options could lead to remote code execution. The vulnerability starts when CNAME synthesis during an upstream response needs to...