CVE-2026-33262 | PowerDNS Recursor up to 5.2.8/5.3.5/5.4.0 null pointer dereference

VDB-358844 · CVE-2026-33262 · GCVE-0-2026-33262 POWERDNS RECURSOR UP TO 5.2.8/5.3.5/5.4.0 NULL POINTER DEREFERENCE HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 4.7 $0-$5k 1.25+ Summaryinfo A vulnerability labeled as problematic has been found in PowerDNS Recursor up to 5.2.8/5.3.5/5.4.0. This affects an unknown part. Such manipulation leads to null pointer dereference. This vulnerability is traded as CVE-2026-33262. The attack may be launched remotely. There is no exploit available. The affected component should be upgraded. Detailsinfo A vulnerability was found in PowerDNS Recursor up to 5.2.8/5.3.5/5.4.0 and classified as problematic. Affected by this issue is an unknown part. The manipulation with an unknown input leads to a null pointer dereference vulnerability. Using CWE to declare the problem leads to CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. Impacted is availability. CVE summarizes: An attacker can send replies that result in a null pointer dereference, caused by a missing consistency check and leading to a denial of service. Cookies are disabled by default. The weakness was shared by ylwango613. The advisory is shared for download at docs.powerdns.com. This vulnerability is handled as CVE-2026-33262 since 03/18/2026. The exploitation is known to be difficult. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available. Upgrading to version 5.2.9, 5.3.6 or 5.4.1 eliminates this vulnerability. Productinfo Type Domain Name Software Vendor PowerDNS Name Recursor Version 5.0 5.1 5.2 5.2.0 5.2.1 5.2.2 5.2.3 5.2.4 5.2.5 5.2.6 5.2.7 5.2.8 5.3 5.3.0 5.3.1 5.3.2 5.3.3 5.3.4 5.3.5 5.4.0 License free CPE 2.3info 🔒 🔒 🔒 CPE 2.2info 🔒 🔒 🔒 CVSSv4info VulDB Vector: 🔒 VulDB Reliability: 🔍 CVSSv3info VulDB Meta Base Score: 4.8 VulDB Meta Temp Score: 4.7 VulDB Base Score: 3.7 VulDB Temp Score: 3.6 VulDB Vector: 🔒 VulDB Reliability: 🔍 CNA Base Score: 5.9 CNA Vector: 🔒 CVSSv2info Vector Complexity Authentication Confidentiality Integrity Availability Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock VulDB Base Score: 🔒 VulDB Temp Score: 🔒 VulDB Reliability: 🔍 Exploitinginfo Class: Null pointer dereference CWE: CWE-476 / CWE-404 CAPEC: 🔒 ATT&CK: 🔒 Physical: No Local: No Remote: Yes Availability: 🔒 Status: Not defined Price Prediction: 🔍 Current Price Estimation: 🔒 0-Day Unlock Unlock Unlock Unlock Today Unlock Unlock Unlock Unlock Threat Intelligenceinfo Interest: 🔍 Active Actors: 🔍 Active APT Groups: 🔍 Countermeasuresinfo Recommended: Upgrade Status: 🔍 0-Day Time: 🔒 Upgrade: Recursor 5.2.9/5.3.6/5.4.1 Timelineinfo 03/18/2026 CVE reserved 04/22/2026 +34 days Advisory disclosed 04/22/2026 +0 days VulDB entry created 04/22/2026 +0 days VulDB entry last update Sourcesinfo Advisory: docs.powerdns.com Researcher: ylwango613 Status: Confirmed CVE: CVE-2026-33262 (🔒) GCVE (CVE): GCVE-0-2026-33262 GCVE (VulDB): GCVE-100-358844 Entryinfo Created: 04/22/2026 13:30 Changes: 04/22/2026 13:30 (64) Complete: 🔍 Cache ID: 99:C02:101 Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸