{"id":"CVE-2020-37038","aliases":["DEBIAN-CVE-2020-37038","EUVD-2020-30940","GHSA-jgmq-7wwp-jmfp","UBUNTU-CVE-2020-37038"],"status":"published","title":"Code Blocks 20.03 - Denial Of Service","description":"Code Blocks 20.03 contains a denial of service vulnerability that allows attackers to crash the application by manipulating input in the FSymbols search field. Attackers can paste a large payload of 5000 repeated characters into the search field to trigger an application crash.","severity":{"version":"4.0","score":4.6,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00414,"percentile":0.36026,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-770"],"published":"2026-01-30T22:07:14Z","modified":"2026-10-17T12:56:14Z","affected":[{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"codeblocks","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["13.12-3.1build1","13.12+dfsg-4"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"codeblocks","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["16.01+dfsg-2.1"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"codeblocks","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["16.01+dfsg-2.1","17.12+dfsg-1","17.12+dfsg-1build1","20.03-3"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"codeblocks","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["20.03-3","20.03-3.1"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"codeblocks","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["20.03+svn13046-0.1build1","20.03+svn13046-0.2","20.03+svn13046-0.3build1","20.03+svn13046-0.3build2"]},{"source":"osv","ecosystem":"Ubuntu:25.10","package":"codeblocks","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["20.03+svn13046-0.4","25.03+dfsg-2"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"codeblocks","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["25.03+dfsg-2.1","25.03+dfsg-3"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"codeblocks","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["25.03+dfsg-2","25.03+dfsg-2.1"]}],"products":[{"vendor":"code::blocks","product":"code::blocks"}],"references":[{"url":"https://www.exploit-db.com/exploits/48617","tags":["exploit","report"]},{"url":"http://www.codeblocks.org/","tags":["product","report"]},{"url":"https://sourceforge.net/projects/codeblocks","tags":["product","report"]},{"url":"https://www.vulncheck.com/advisories/code-blocks-denial-of-service","tags":["third-party-advisory","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-37038"},{"url":"http://www.codeblocks.org"},{"url":"https://github.com/advisories/GHSA-jgmq-7wwp-jmfp"},{"url":"https://security-tracker.debian.org/tracker/CVE-2020-37038","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2020-37038","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2020-37038","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2020-37038","title":"Code Blocks 20.03 - Denial Of Service","description":"Code Blocks 20.03 contains a denial of service vulnerability that allows attackers to crash the application by manipulating input in the FSymbols search field. 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Attackers can paste a large payload of 5000 repeated characters into the search field to trigger an application crash.","status":"withdrawn","published":"2026-01-30T23:16:09.237Z","modified":"2026-05-01T20:01:52.411026Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:45:34.019707Z"},{"id":"UBUNTU-CVE-2020-37038","description":"Code Blocks 20.03 contains a denial of service vulnerability that allows attackers to crash the application by manipulating input in the FSymbols search field. 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