CVE-2026-33261

A zone transition from NSEC to NSEC3 might trigger an internal inconsistency and cause a denial of service...

CVE-2026-33258

By publishing and querying a crafted zone an attacker can cause allocation of large entries in the negative and aggressive NSEC3 caches...

CVE-2026-33259

Having many concurrent transfers of the same RPZ can lead to inconsistent RPZ data, use after free and/or a crash of the recursor. Normally concurrent transfers of the same RPZ zone can only occur with a malfunctioning RPZ provider...

UBUNTU-CVE-2026-33261

A zone transition from NSEC to NSEC3 might trigger an internal inconsistency and cause a denial of service...

UBUNTU-CVE-2026-33258

By publishing and querying a crafted zone an attacker can cause allocation of large entries in the negative and aggressive NSEC3 caches...

CVE-2026-33261 Null pointer accces in aggressive NSEC(3) cache

A zone transition from NSEC to NSEC3 might trigger an internal inconsistency and cause a denial of service...

CVE-2026-33261

A zone transition from NSEC to NSEC3 might trigger an internal inconsistency and cause a denial of service...

CVE-2026-33261 Null pointer accces in aggressive NSEC(3) cache

A zone transition from NSEC to NSEC3 might trigger an internal inconsistency and cause a denial of service...

CVE-2026-33261

A zone transition from NSEC to NSEC3 might trigger an internal inconsistency and cause a denial of service...

CVE-2026-33261 Null pointer accces in aggressive NSEC(3) cache

A zone transition from NSEC to NSEC3 might trigger an internal inconsistency and cause a denial of service...

CVE-2026-33261

A zone transition from NSEC to NSEC3 might trigger an internal inconsistency and cause a denial of service...

CVE-2026-33259 Concurrent modification of RPZ data can lead to denial of servce

Having many concurrent transfers of the same RPZ can lead to inconsistent RPZ data, use after free and/or a crash of the recursor. Normally concurrent transfers of the same RPZ zone can only occur with a malfunctioning RPZ provider...

CVE-2026-33259 Concurrent modification of RPZ data can lead to denial of servce

Having many concurrent transfers of the same RPZ can lead to inconsistent RPZ data, use after free and/or a crash of the recursor. Normally concurrent transfers of the same RPZ zone can only occur with a malfunctioning RPZ provider...

CVE-2026-33259

CVE-2026-33259 affects PowerDNS Recursor RPZ handling. The issue arises when there are many concurrent transfers of the same RPZ, which can lead to inconsistent RPZ data, use-after-free, or a crash of the recursor. The root cause is described as concurrent transfers of the same RPZ zone occurring...

CVE-2026-33259

Having many concurrent transfers of the same RPZ can lead to inconsistent RPZ data, use after free and/or a crash of the recursor. Normally concurrent transfers of the same RPZ zone can only occur with a malfunctioning RPZ provider...

CVE-2026-33259

Having many concurrent transfers of the same RPZ can lead to inconsistent RPZ data, use after free and/or a crash of the recursor. Normally concurrent transfers of the same RPZ zone can only occur with a malfunctioning RPZ provider...

CVE-2026-33258

By publishing and querying a crafted zone an attacker can cause allocation of large entries in the negative and aggressive NSEC3 caches...

CVE-2026-33258

By publishing and querying a crafted zone an attacker can cause allocation of large entries in the negative and aggressive NSEC3 caches...

CVE-2026-33258

By publishing and querying a crafted zone an attacker can cause allocation of large entries in the negative and aggressive NSEC3 caches...

CVE-2026-33601 Insufficient validation of zonemd record

If you use the zoneToCache function with a malicious authoritative server, an attacker can send a zone that result in a null pointer dereference, caused by a missing consistency check and leading to a denial of service...