{"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"}}]}}

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{"created": "2026-01-27T09:03:41.431457+00:00", "updated": "2026-01-27T09:03:41.431510+00:00", "vendors": ["pymumu", "pymumu$PRODUCT$smartdns"]}