{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-1425", "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5", "state": "PUBLISHED", "assignerShortName": "VulDB", "dateReserved": "2026-01-25T17:17:00.491Z", "datePublished": "2026-01-26T07:32:06.516Z", "dateUpdated": "2026-02-23T08:58:07.493Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "1af790b2-7ee1-4545-860a-a788eba489b5", "shortName": "VulDB", "dateUpdated": "2026-02-23T08:58:07.493Z" }, "title": "pymumu SmartDNS SVBC Record dns.c _dns_decode_SVCB_HTTPS stack-based overflow", "problemTypes": [ { "descriptions": [ { "type": "CWE", "cweId": "CWE-121", "lang": "en", "description": "Stack-based Buffer Overflow" } ] }, { "descriptions": [ { "type": "CWE", "cweId": "CWE-119", "lang": "en", "description": "Memory Corruption" } ] } ], "affected": [ { "vendor": "pymumu", "product": "SmartDNS", "versions": [ { "version": "47.0", "status": "affected" }, { "version": "47.1", "status": "affected" } ], "cpes": [ "cpe:2.3:a:pymumu:smartdns:*:*:*:*:*:*:*:*" ], "modules": [ "SVBC Record Parser" ] } ], "descriptions": [ { "lang": "en", "value": "A security flaw has been discovered in pymumu SmartDNS up to 47.1. This vulnerability affects the function _dns_decode_rr_head/_dns_decode_SVCB_HTTPS of the file src/dns.c of the component SVBC Record Parser. The manipulation results in stack-based buffer overflow. It is possible to launch the attack remotely. A high complexity level is associated with this attack. It is stated that the exploitability is difficult. The patch is identified as 2d57c4b4e1add9b4537aeb403f794a084727e1c8. Applying a patch is advised to resolve this issue." } ], "metrics": [ { "cvssV4_0": { "version": "4.0", "baseScore": 6.3, "vectorString": "CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X", "baseSeverity": "MEDIUM" } }, { "cvssV3_1": { "version": "3.1", "baseScore": 5.6, "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L/E:X/RL:O/RC:C", "baseSeverity": "MEDIUM" } }, { "cvssV3_0": { "version": "3.0", "baseScore": 5.6, "vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L/E:X/RL:O/RC:C", "baseSeverity": "MEDIUM" } }, { "cvssV2_0": { "version": "2.0", "baseScore": 5.1, "vectorString": "AV:N/AC:H/Au:N/C:P/I:P/A:P/E:ND/RL:OF/RC:C" } } ], "timeline": [ { "time": "2026-01-25T00:00:00.000Z", "lang": "en", "value": "Advisory disclosed" }, { "time": "2026-01-25T01:00:00.000Z", "lang": "en", "value": "VulDB entry created" }, { "time": "2026-01-26T19:07:29.000Z", "lang": "en", "value": "VulDB entry last update" } ], "credits": [ { "lang": "en", "value": "liloler (VulDB User)", "type": "reporter" } ], "references": [ { "url": "https://vuldb.com/?id.342841", "name": "VDB-342841 | pymumu SmartDNS SVBC Record dns.c _dns_decode_SVCB_HTTPS stack-based overflow", "tags": [ "vdb-entry", "technical-description" ] }, { "url": "https://vuldb.com/?ctiid.342841", "name": "VDB-342841 | CTI Indicators (IOB, IOC, IOA)", "tags": [ "signature", "permissions-required" ] }, { "url": "https://vuldb.com/?submit.736827", "name": "Submit #736827 | pymumu smartdns 47.1 Stack-based Buffer Overflow", "tags": [ "third-party-advisory" ] }, { "url": "https://github.com/pymumu/smartdns/commit/2d57c4b4e1add9b4537aeb403f794a084727e1c8", "tags": [ "patch" ] }, { "url": "https://github.com/pymumu/smartdns/", "tags": [ "product" ] } ], "tags": [ "x_open-source" ] }, "adp": [ { "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2026-01-26T14:16:06.137472Z", "id": "CVE-2026-1425", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "partial" } ], "role": "CISA Coordinator", "version": "2.0.3" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-01-26T14:16:22.355Z" } } ] } }