CVE-2026-33598 | PowerDNS DNSdist up to 1.9.12/2.0.3 Response getDomainListByAddress/getAddressListByDomain out-of-bounds

VDB-358965 · CVE-2026-33598 · GCVE-0-2026-33598 POWERDNS DNSDIST UP TO 1.9.12/2.0.3 RESPONSE GETDOMAINLISTBYADDRESS/GETADDRESSLISTBYDOMAIN OUT-OF-BOUNDS HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 5.1 $0-$5k 0.74+ Summaryinfo A vulnerability was found in PowerDNS DNSdist up to 1.9.12/2.0.3. It has been classified as critical. This affects the function getDomainListByAddress/getAddressListByDomain of the component Response Handler. Performing a manipulation results in out-of-bounds. This vulnerability is known as CVE-2026-33598. Remote exploitation of the attack is possible. No exploit is available. Upgrading the affected component is recommended. Detailsinfo A vulnerability classified as critical has been found in PowerDNS DNSdist up to 1.9.12/2.0.3. This affects the function getDomainListByAddress/getAddressListByDomain of the component Response Handler. The manipulation with an unknown input leads to a out-of-bounds vulnerability. CWE is classifying the issue as CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is: A cached crafted response can cause an out-of-bounds read if custom Lua code calls getDomainListByAddress() or getAddressListByDomain() on a packet cache. The weakness was published by ylwango613. The advisory is shared at dnsdist.org. This vulnerability is uniquely identified as CVE-2026-33598 since 03/23/2026. The exploitability is told to be difficult. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details are known, but no exploit is available. Upgrading to version 1.9.13 or 2.0.4 eliminates this vulnerability. Productinfo Type Domain Name Software Vendor PowerDNS Name DNSdist Version 1.9.0 1.9.1 1.9.2 1.9.3 1.9.4 1.9.5 1.9.6 1.9.7 1.9.8 1.9.9 1.9.10 1.9.11 1.9.12 2.0.0 2.0.1 2.0.2 2.0.3 License open-source CPE 2.3info 🔒 🔒 🔒 CPE 2.2info 🔒 🔒 🔒 CVSSv4info VulDB Vector: 🔒 VulDB Reliability: 🔍 CVSSv3info VulDB Meta Base Score: 5.2 VulDB Meta Temp Score: 5.1 VulDB Base Score: 5.6 VulDB Temp Score: 5.4 VulDB Vector: 🔒 VulDB Reliability: 🔍 CNA Base Score: 4.8 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: Out-of-bounds CWE: CWE-125 / CWE-119 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: DNSdist 1.9.13/2.0.4 Timelineinfo 03/23/2026 CVE reserved 04/22/2026 +29 days Advisory disclosed 04/22/2026 +0 days VulDB entry created 04/22/2026 +0 days VulDB entry last update Sourcesinfo Advisory: dnsdist.org Researcher: ylwango613 Status: Confirmed CVE: CVE-2026-33598 (🔒) GCVE (CVE): GCVE-0-2026-33598 GCVE (VulDB): GCVE-100-358965 Entryinfo Created: 04/22/2026 17:29 Changes: 04/22/2026 17:29 (66) Complete: 🔍 Cache ID: 99:C4D:101 Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸