{"id":"UBUNTU-CVE-2020-37038","details":"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.","modified":"2026-05-20T16:04:35.052872046Z","published":"2026-01-30T23:16:00Z","upstream":["CVE-2020-37038"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-37038"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2020-37038"},{"type":"REPORT","url":"https://www.exploit-db.com/exploits/48617"},{"type":"REPORT","url":"http://www.codeblocks.org/"},{"type":"REPORT","url":"https://sourceforge.net/projects/codeblocks"},{"type":"REPORT","url":"https://www.vulncheck.com/advisories/code-blocks-denial-of-service"}],"affected":[{"package":{"name":"codeblocks","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/codeblocks?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["13.12-3.1build1","13.12+dfsg-4"],"ecosystem_specific":{"binaries":[{"binary_version":"13.12+dfsg-4","binary_name":"codeblocks"},{"binary_name":"codeblocks-common","binary_version":"13.12+dfsg-4"},{"binary_name":"codeblocks-contrib","binary_version":"13.12+dfsg-4"},{"binary_version":"13.12+dfsg-4","binary_name":"libcodeblocks0"},{"binary_version":"13.12+dfsg-4","binary_name":"libwxsmithlib0"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-37038.json"}},{"package":{"name":"codeblocks","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/codeblocks?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["16.01+dfsg-2.1"],"ecosystem_specific":{"binaries":[{"binary_version":"16.01+dfsg-2.1","binary_name":"codeblocks"},{"binary_version":"16.01+dfsg-2.1","binary_name":"codeblocks-common"},{"binary_name":"codeblocks-contrib","binary_version":"16.01+dfsg-2.1"},{"binary_name":"libcodeblocks0","binary_version":"16.01+dfsg-2.1"},{"binary_version":"16.01+dfsg-2.1","binary_name":"libwxsmithlib0"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-37038.json"}},{"package":{"name":"codeblocks","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/codeblocks?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["16.01+dfsg-2.1","17.12+dfsg-1","17.12+dfsg-1build1","20.03-3"],"ecosystem_specific":{"binaries":[{"binary_version":"20.03-3","binary_name":"codeblocks"},{"binary_name":"codeblocks-common","binary_version":"20.03-3"},{"binary_name":"codeblocks-contrib","binary_version":"20.03-3"},{"binary_name":"libcodeblocks0","binary_version":"20.03-3"},{"binary_name":"libwxsmithlib0","binary_version":"20.03-3"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-37038.json"}},{"package":{"name":"codeblocks","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/codeblocks?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["20.03-3","20.03-3.1"],"ecosystem_specific":{"binaries":[{"binary_name":"codeblocks","binary_version":"20.03-3.1"},{"binary_name":"codeblocks-common","binary_version":"20.03-3.1"},{"binary_name":"codeblocks-contrib","binary_version":"20.03-3.1"},{"binary_name":"libcodeblocks0","binary_version":"20.03-3.1"},{"binary_name":"libwxsmithlib0","binary_version":"20.03-3.1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-37038.json"}},{"package":{"name":"codeblocks","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/codeblocks?arch=source&distro=noble"},"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"],"ecosystem_specific":{"binaries":[{"binary_name":"codeblocks","binary_version":"20.03+svn13046-0.3build2"},{"binary_version":"20.03+svn13046-0.3build2","binary_name":"codeblocks-common"},{"binary_version":"20.03+svn13046-0.3build2","binary_name":"codeblocks-contrib"},{"binary_version":"20.03+svn13046-0.3build2","binary_name":"libcodeblocks0t64"},{"binary_name":"libwxsmithlib0t64","binary_version":"20.03+svn13046-0.3build2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-37038.json"}},{"package":{"name":"codeblocks","ecosystem":"Ubuntu:25.10","purl":"pkg:deb/ubuntu/codeblocks?arch=source&distro=questing"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["20.03+svn13046-0.4","25.03+dfsg-2"],"ecosystem_specific":{"binaries":[{"binary_name":"codeblocks","binary_version":"25.03+dfsg-2"},{"binary_name":"codeblocks-common","binary_version":"25.03+dfsg-2"},{"binary_name":"codeblocks-contrib","binary_version":"25.03+dfsg-2"},{"binary_name":"libcodeblocks0t64","binary_version":"25.03+dfsg-2"},{"binary_name":"libwxsmithlib0t64","binary_version":"25.03+dfsg-2"}]},"database_specific":{"source":"https://github.com/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