CVE-2026-33278

NLnet Labs Unbound 1.19.1 up to and including version 1.25.0 has a vulnerability in the DNSSEC validator that enables denial of service and possible remote code execution as a result of deep copying a data structure and erroneously overwriting a destination pointer. An adversary can exploit the...

EUVD-2026-31081

NLnet Labs Unbound up to and including version 1.25.0 has a vulnerability in the DNSSEC validator where the code path to consult the negative cache for DS records does not take into account the limit on NSEC3 hash calculations introduced in 1.19.1. This leads to degradation of service during the...

CVE-2026-33278

NLnet Labs Unbound 1.19.1 up to and including version 1.25.0 has a vulnerability in the DNSSEC validator that enables denial of service and possible remote code execution as a result of deep copying a data structure and erroneously overwriting a destination pointer. An adversary can exploit the...

EUVD-2026-31075

NLnet Labs Unbound 1.19.1 up to and including version 1.25.0 has a vulnerability in the DNSSEC validator that enables denial of service and possible remote code execution as a result of deep copying a data structure and erroneously overwriting a destination pointer. An adversary can exploit the...

SUSE SLED15 / SLES15 / openSUSE 15 Security Update : systemd (SUSE-SU-2024:3149-1)

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-2024:3149-1 advisory. - CVE-2023-7008: Fixed man-in-the-middle due to unsigned name response in signed zone not refused when...

bind9: Preparing an NSEC3 closest encloser proof can exhaust CPU resources

A flaw was found in bind9. By flooding a DNSSEC resolver with responses coming from a DNSEC-signed zone using NSEC3, an attacker can lead the targeted resolver to a CPU exhaustion, further leading to a Denial of Service on the targeted host. This vulnerability applies only for systems where DNSSE...

DLA-48-1 bind9 - security update

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ISC bind DoS

Crash on parsing malformed request to NSEC3-signed zone...

ISC BIND 9 NSEC3-Signed Zone Handling DoS

According to its self-reported version number, the remote installation of BIND is affected by a denial of service vulnerability. This issue exists due to the handling of queries for NSEC3-signed zones related to the memcpy function in the 'name.c' file on authoritative nameservers. Note that Ness...

DSA-2370-1 unbound - several

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CVE-2011-4528

Unbound before 1.4.13p2 attempts to free unallocated memory during processing of duplicate CNAME records in a signed zone, which allows remote DNS servers to cause a denial of service daemon crash via a crafted response...

Unbound DNS server DoS

DoS against DNSSEC signed zone...