{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-2241", "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5", "state": "PUBLISHED", "assignerShortName": "VulDB", "dateReserved": "2026-02-09T09:38:29.872Z", "datePublished": "2026-02-09T16:02:08.720Z", "dateUpdated": "2026-02-09T16:39:24.526Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "1af790b2-7ee1-4545-860a-a788eba489b5", "shortName": "VulDB", "dateUpdated": "2026-02-09T16:02:08.720Z"}, "title": "janet-lang janet os.c os_strftime out-of-bounds", "problemTypes": [{"descriptions": [{"type": "CWE", "cweId": "CWE-125", "lang": "en", "description": "Out-of-Bounds Read"}]}, {"descriptions": [{"type": "CWE", "cweId": "CWE-119", "lang": "en", "description": "Memory Corruption"}]}], "affected": [{"vendor": "janet-lang", "product": "janet", "versions": [{"version": "1.40.0", "status": "affected"}, {"version": "1.40.1", "status": "affected"}]}], "descriptions": [{"lang": "en", "value": "A vulnerability was found in janet-lang janet up to 1.40.1. This affects the function os_strftime of the file src/core/os.c. Performing a manipulation results in out-of-bounds read. The attack must be initiated from a local position. The exploit has been made public and could be used. The patch is named 0f285855f0e34f9183956be5f16e045f54626bff. To fix this issue, it is recommended to deploy a patch."}], "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": "2026-02-09T00:00:00.000Z", "lang": "en", "value": "Advisory disclosed"}, {"time": "2026-02-09T01:00:00.000Z", "lang": "en", "value": "VulDB entry created"}, {"time": "2026-02-09T10:43:39.000Z", "lang": "en", "value": "VulDB entry last update"}], "credits": [{"lang": "en", "value": "Oneafter (VulDB User)", "type": "reporter"}], "references": [{"url": "https://vuldb.com/?id.344980", "name": "VDB-344980 | janet-lang janet os.c os_strftime out-of-bounds", "tags": ["vdb-entry", "technical-description"]}, {"url": "https://vuldb.com/?ctiid.344980", "name": "VDB-344980 | CTI Indicators (IOB, IOC, IOA)", "tags": ["signature", "permissions-required"]}, {"url": "https://vuldb.com/?submit.753156", "name": "Submit #753156 | janet-lang janet c43e066 Heap-based Buffer Overflow", "tags": ["third-party-advisory"]}, {"url": "https://github.com/janet-lang/janet/issues/1701", "tags": ["issue-tracking"]}, {"url": "https://github.com/janet-lang/janet/issues/1701#event-4446770461", "tags": ["issue-tracking"]}, {"url": "https://github.com/oneafter/0123/blob/main/ja3/repro", "tags": ["exploit"]}, {"url": "https://github.com/janet-lang/janet/commit/0f285855f0e34f9183956be5f16e045f54626bff", "tags": ["patch"]}, {"url": "https://github.com/janet-lang/janet/", "tags": ["product"]}], "tags": ["x_open-source"]}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-02-09T16:38:57.243942Z", "id": "CVE-2026-2241", "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": "2026-02-09T16:39:24.526Z"}}]}}

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