{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-2657","assignerOrgId":"1af790b2-7ee1-4545-860a-a788eba489b5","state":"PUBLISHED","assignerShortName":"VulDB","dateReserved":"2026-02-18T06:46:13.637Z","datePublished":"2026-02-18T16:32:07.566Z","dateUpdated":"2026-02-23T10:18:07.494Z"},"containers":{"cna":{"providerMetadata":{"orgId":"1af790b2-7ee1-4545-860a-a788eba489b5","shortName":"VulDB","dateUpdated":"2026-02-23T10:18:07.494Z"},"title":"wren-lang wren Error Message wren_compiler.c printError 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":"wren-lang","product":"wren","versions":[{"version":"0.1","status":"affected"},{"version":"0.2","status":"affected"},{"version":"0.3","status":"affected"},{"version":"0.4.0","status":"affected"}],"modules":["Error Message Handler"]}],"descriptions":[{"lang":"en","value":"A vulnerability has been found in wren-lang wren up to 0.4.0. This impacts the function printError of the file src/vm/wren_compiler.c of the component Error Message Handler. Such manipulation leads to stack-based buffer overflow. An attack has to be approached locally. The exploit has been disclosed to the public and may be used. The project was informed of the problem early through an issue report but has not responded yet."}],"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:X/RC:R","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:X/RC:R","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:ND/RC:UR"}}],"timeline":[{"time":"2026-02-18T00:00:00.000Z","lang":"en","value":"Advisory disclosed"},{"time":"2026-02-18T01:00:00.000Z","lang":"en","value":"VulDB entry created"},{"time":"2026-02-21T18:45:39.000Z","lang":"en","value":"VulDB entry last update"}],"credits":[{"lang":"en","value":"Oneafter (VulDB User)","type":"reporter"}],"references":[{"url":"https://vuldb.com/?id.346455","name":"VDB-346455 | wren-lang wren Error Message wren_compiler.c printError stack-based overflow","tags":["vdb-entry","technical-description"]},{"url":"https://vuldb.com/?ctiid.346455","name":"VDB-346455 | CTI Indicators (IOB, IOC, IOA)","tags":["signature","permissions-required"]},{"url":"https://vuldb.com/?submit.752791","name":"Submit #752791 | wren-lang wren main branch Stack-based Buffer Overflow","tags":["third-party-advisory"]},{"url":"https://github.com/wren-lang/wren/issues/1221","tags":["issue-tracking"]},{"url":"https://github.com/oneafter/0122/blob/main/i1221/repro","tags":["exploit"]},{"url":"https://github.com/wren-lang/wren/","tags":["product"]}]},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-02-18T17:53:55.287345Z","id":"CVE-2026-2657","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":"2026-02-18T18:07:59.876Z"}}]}}