{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-3407", "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5", "state": "PUBLISHED", "assignerShortName": "VulDB", "dateReserved": "2026-03-01T07:03:11.753Z", "datePublished": "2026-03-02T03:02:09.924Z", "dateUpdated": "2026-03-02T14:43:12.380Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "1af790b2-7ee1-4545-860a-a788eba489b5", "shortName": "VulDB", "dateUpdated": "2026-03-02T03:02:09.924Z" }, "title": "YosysHQ yosys BLIF File rtlil.h set heap-based overflow", "problemTypes": [ { "descriptions": [ { "type": "CWE", "cweId": "CWE-122", "lang": "en", "description": "Heap-based Buffer Overflow" } ] }, { "descriptions": [ { "type": "CWE", "cweId": "CWE-119", "lang": "en", "description": "Memory Corruption" } ] } ], "affected": [ { "vendor": "YosysHQ", "product": "yosys", "versions": [ { "version": "0.1", "status": "affected" }, { "version": "0.2", "status": "affected" }, { "version": "0.3", "status": "affected" }, { "version": "0.4", "status": "affected" }, { "version": "0.5", "status": "affected" }, { "version": "0.6", "status": "affected" }, { "version": "0.7", "status": "affected" }, { "version": "0.8", "status": "affected" }, { "version": "0.9", "status": "affected" }, { "version": "0.10", "status": "affected" }, { "version": "0.11", "status": "affected" }, { "version": "0.12", "status": "affected" }, { "version": "0.13", "status": "affected" }, { "version": "0.14", "status": "affected" }, { "version": "0.15", "status": "affected" }, { "version": "0.16", "status": "affected" }, { "version": "0.17", "status": "affected" }, { "version": "0.18", "status": "affected" }, { "version": "0.19", "status": "affected" }, { "version": "0.20", "status": "affected" }, { "version": "0.21", "status": "affected" }, { "version": "0.22", "status": "affected" }, { "version": "0.23", "status": "affected" }, { "version": "0.24", "status": "affected" }, { "version": "0.25", "status": "affected" }, { "version": "0.26", "status": "affected" }, { "version": "0.27", "status": "affected" }, { "version": "0.28", "status": "affected" }, { "version": "0.29", "status": "affected" }, { "version": "0.30", "status": "affected" }, { "version": "0.31", "status": "affected" }, { "version": "0.32", "status": "affected" }, { "version": "0.33", "status": "affected" }, { "version": "0.34", "status": "affected" }, { "version": "0.35", "status": "affected" }, { "version": "0.36", "status": "affected" }, { "version": "0.37", "status": "affected" }, { "version": "0.38", "status": "affected" }, { "version": "0.39", "status": "affected" }, { "version": "0.40", "status": "affected" }, { "version": "0.41", "status": "affected" }, { "version": "0.42", "status": "affected" }, { "version": "0.43", "status": "affected" }, { "version": "0.44", "status": "affected" }, { "version": "0.45", "status": "affected" }, { "version": "0.46", "status": "affected" }, { "version": "0.47", "status": "affected" }, { "version": "0.48", "status": "affected" }, { "version": "0.49", "status": "affected" }, { "version": "0.50", "status": "affected" }, { "version": "0.51", "status": "affected" }, { "version": "0.52", "status": "affected" }, { "version": "0.53", "status": "affected" }, { "version": "0.54", "status": "affected" }, { "version": "0.55", "status": "affected" }, { "version": "0.56", "status": "affected" }, { "version": "0.57", "status": "affected" }, { "version": "0.58", "status": "affected" }, { "version": "0.59", "status": "affected" }, { "version": "0.60", "status": "affected" }, { "version": "0.61", "status": "affected" }, { "version": "0.62", "status": "affected" } ], "modules": [ "BLIF File Parser" ] } ], "descriptions": [ { "lang": "en", "value": "A vulnerability was determined in YosysHQ yosys up to 0.62. This affects the function Yosys::RTLIL::Const::set of the file kernel/rtlil.h of the component BLIF File Parser. This manipulation causes heap-based buffer overflow. It is possible to launch the attack on the local host. The exploit has been publicly disclosed and may be utilized. Applying a patch is the recommended action to fix this issue. It appears that the issue is not reproducible all the time." } ], "metrics": [ { "cvssV4_0": { "version": "4.0", "baseScore": 4.8, "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P", "baseSeverity": "MEDIUM" } }, { "cvssV3_1": { "version": "3.1", "baseScore": 3.3, "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C", "baseSeverity": "LOW" } }, { "cvssV3_0": { "version": "3.0", "baseScore": 3.3, "vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C", "baseSeverity": "LOW" } }, { "cvssV2_0": { "version": "2.0", "baseScore": 1.7, "vectorString": "AV:L/AC:L/Au:S/C:N/I:N/A:P/E:POC/RL:OF/RC:C" } } ], "timeline": [ { "time": "2026-03-01T00:00:00.000Z", "lang": "en", "value": "Advisory disclosed" }, { "time": "2026-03-01T01:00:00.000Z", "lang": "en", "value": "VulDB entry created" }, { "time": "2026-03-01T08:08:34.000Z", "lang": "en", "value": "VulDB entry last update" } ], "credits": [ { "lang": "en", "value": "Oneafter (VulDB User)", "type": "reporter" } ], "references": [ { "url": "https://vuldb.com/?id.348302", "name": "VDB-348302 | YosysHQ yosys BLIF File rtlil.h set heap-based overflow", "tags": [ "vdb-entry", "technical-description" ] }, { "url": "https://vuldb.com/?ctiid.348302", "name": "VDB-348302 | CTI Indicators (IOB, IOC, IOA)", "tags": [ "signature", "permissions-required" ] }, { "url": "https://vuldb.com/?submit.763755", "name": "Submit #763755 | YosysHQ yosys 8bbde80 Heap-based Buffer Overflow", "tags": [ "third-party-advisory" ] }, { "url": "https://github.com/YosysHQ/yosys/issues/5677", "tags": [ "issue-tracking" ] }, { "url": "https://github.com/YosysHQ/yosys/pull/5680", "tags": [ "issue-tracking", "patch" ] }, { "url": "https://github.com/oneafter/0210/blob/main/yo2/repro", "tags": [ "exploit" ] }, { "url": "https://github.com/YosysHQ/yosys/pull/5681", "tags": [ "issue-tracking", "patch" ] }, { "url": "https://github.com/YosysHQ/yosys/", "tags": [ "product" ] } ] }, "adp": [ { "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2026-03-02T14:40:14.679910Z", "id": "CVE-2026-3407", "options": [ { "Exploitation": "poc" }, { "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": "2026-03-02T14:43:12.380Z" } } ] } }