{"id":"CVE-2026-2241","state":"PUBLISHED","title":"janet-lang janet os.c os_strftime out-of-bounds","description":"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.","publishedAt":"2026-02-09T16:02:08.720Z","updatedAt":"2026-02-23T10:00:21.668Z","severity":{"score":4.8,"label":"Medium","version":"4.0","vector":"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","source":"VulDB"},"assigner":"VulDB","products":["janet-lang janet"],"affected":[{"vendor":"janet-lang","product":"janet","versions":[{"version":"1.40.0","status":"affected"},{"version":"1.40.1","status":"affected"}]}],"references":["https://vuldb.com/?id.344980","https://vuldb.com/?ctiid.344980","https://vuldb.com/?submit.753156","https://github.com/janet-lang/janet/issues/1701","https://github.com/janet-lang/janet/issues/1701#event-4446770461","https://github.com/oneafter/0123/blob/main/ja3/repro","https://github.com/janet-lang/janet/commit/0f285855f0e34f9183956be5f16e045f54626bff","https://github.com/janet-lang/janet/"],"weaknesses":["CWE-125","CWE-119"],"ingestedAt":"2026-10-29T20:11:31.369Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/2xxx/CVE-2026-2241.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-2241","state":"PUBLISHED","datePublished":"2026-02-09T16:02:08.720Z","dateUpdated":"2026-02-23T10:00:21.668Z","assignerShortName":"VulDB","assignerOrgId":"1af790b2-7ee1-4545-860a-a788eba489b5","dateReserved":"2026-02-09T09:38:29.872Z"},"containers":{"cna":{"title":"janet-lang janet os.c os_strftime out-of-bounds","descriptions":[{"lang":"en","value":"A vulnerability was found in janet-lang janet up to 1.40.1. 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