{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-10268","assignerOrgId":"1af790b2-7ee1-4545-860a-a788eba489b5","state":"PUBLISHED","assignerShortName":"VulDB","dateReserved":"2026-05-31T14:06:38.539Z","datePublished":"2026-06-01T15:00:12.912Z","dateUpdated":"2026-06-01T17:50:51.836Z"},"containers":{"cna":{"providerMetadata":{"orgId":"1af790b2-7ee1-4545-860a-a788eba489b5","shortName":"VulDB","dateUpdated":"2026-06-01T15:00:12.912Z"},"title":"janet-lang janet marsh.c unmarshal_one_fiber integer overflow","problemTypes":[{"descriptions":[{"type":"CWE","cweId":"CWE-190","lang":"en","description":"Integer Overflow"}]},{"descriptions":[{"type":"CWE","cweId":"CWE-189","lang":"en","description":"Numeric Error"}]}],"affected":[{"vendor":"janet-lang","product":"janet","versions":[{"version":"1.0","status":"affected"},{"version":"1.1","status":"affected"},{"version":"1.2","status":"affected"},{"version":"1.3","status":"affected"},{"version":"1.4","status":"affected"},{"version":"1.5","status":"affected"},{"version":"1.6","status":"affected"},{"version":"1.7","status":"affected"},{"version":"1.8","status":"affected"},{"version":"1.9","status":"affected"},{"version":"1.10","status":"affected"},{"version":"1.11","status":"affected"},{"version":"1.12","status":"affected"},{"version":"1.13","status":"affected"},{"version":"1.14","status":"affected"},{"version":"1.15","status":"affected"},{"version":"1.16","status":"affected"},{"version":"1.17","status":"affected"},{"version":"1.18","status":"affected"},{"version":"1.19","status":"affected"},{"version":"1.20","status":"affected"},{"version":"1.21","status":"affected"},{"version":"1.22","status":"affected"},{"version":"1.23","status":"affected"},{"version":"1.24","status":"affected"},{"version":"1.25","status":"affected"},{"version":"1.26","status":"affected"},{"version":"1.27","status":"affected"},{"version":"1.28","status":"affected"},{"version":"1.29","status":"affected"},{"version":"1.30","status":"affected"},{"version":"1.31","status":"affected"},{"version":"1.32","status":"affected"},{"version":"1.33","status":"affected"},{"version":"1.34","status":"affected"},{"version":"1.35","status":"affected"},{"version":"1.36","status":"affected"},{"version":"1.37","status":"affected"},{"version":"1.38","status":"affected"},{"version":"1.39","status":"affected"},{"version":"1.40","status":"affected"},{"version":"1.41.0","status":"affected"}],"cpes":["cpe:2.3:a:janet-lang:janet:*:*:*:*:*:*:*:*"]}],"descriptions":[{"lang":"en","value":"A weakness has been identified in janet-lang janet up to 1.41.0. This vulnerability affects the function unmarshal_one_fiber of the file src/core/marsh.c. Executing a manipulation can lead to integer overflow. It is possible to launch the attack on the local host. The exploit has been made available to the public and could be used for attacks. This patch is called d9b1d711ea1fde52ac73a82088b512a3e17bad0d. A patch should be applied to remediate this issue."}],"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":"2026-05-31T00:00:00.000Z","lang":"en","value":"Advisory disclosed"},{"time":"2026-05-31T02:00:00.000Z","lang":"en","value":"VulDB entry created"},{"time":"2026-05-31T16:11:48.000Z","lang":"en","value":"VulDB entry last update"}],"credits":[{"lang":"en","value":"biniam (VulDB User)","type":"reporter"}],"references":[{"url":"https://vuldb.com/vuln/367547","name":"VDB-367547 | janet-lang janet marsh.c unmarshal_one_fiber integer overflow","tags":["vdb-entry","technical-description"]},{"url":"https://vuldb.com/vuln/367547/cti","name":"VDB-367547 | CTI Indicators (IOB, IOC, IOA)","tags":["signature","permissions-required"]},{"url":"https://vuldb.com/cve/CVE-2026-10268","name":"CVE-2026-10268 | CVE Analysis and Report","tags":["third-party-advisory"]},{"url":"https://vuldb.com/submit/825075","name":"Submit #825075 | janet-lang janet 1.41.0 Integer Overflow","tags":["third-party-advisory"]},{"url":"https://github.com/janet-lang/janet/issues/1744","tags":["issue-tracking"]},{"url":"https://github.com/biniamf/pocs/tree/main/janet-marsh-unmarshal-intovf","tags":["exploit"]},{"url":"https://github.com/janet-lang/janet/commit/d9b1d711ea1fde52ac73a82088b512a3e17bad0d","tags":["patch"]},{"url":"https://github.com/janet-lang/janet/","tags":["product"]}],"tags":["x_open-source"]},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-06-01T17:50:35.704969Z","id":"CVE-2026-10268","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":"2026-06-01T17:50:51.836Z"}}]}}