{"id":"UBUNTU-CVE-2022-40468","details":"Potential leak of left-over heap data if custom error page templates containing special non-standard variables are used. Tinyproxy commit 84f203f and earlier use uninitialized buffers in process_request() function.","modified":"2026-01-30T00:58:55.303220Z","published":"2022-09-19T17:15:00Z","related":["USN-7140-1","USN-7140-2"],"upstream":["CVE-2022-40468"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2022-40468"},{"type":"REPORT","url":"https://github.com/tinyproxy/tinyproxy/issues/457"},{"type":"REPORT","url":"https://github.com/tinyproxy/tinyproxy/commit/3764b8551463b900b5b4e3ec0cd9bb9182191cb7"},{"type":"REPORT","url":"https://github.com/tinyproxy/tinyproxy"},{"type":"REPORT","url":"https://github.com/tinyproxy/tinyproxy/blob/84f203fb1c4733608c7283bbe794005a469c4b00/src/reqs.c#L346"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2022-40468"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-7140-1"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-7140-2"}],"affected":[{"package":{"name":"tinyproxy","ecosystem":"Ubuntu:Pro:14.04:LTS","purl":"pkg:deb/ubuntu/tinyproxy@1.8.3-3ubuntu14.04.1~esm2?arch=source&distro=esm-infra-legacy/trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.8.3-3ubuntu14.04.1~esm2"}]}],"versions":["1.8.3-3ubuntu1","1.8.3-3ubuntu14.04.1~esm1"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro with Legacy support add-on: https://ubuntu.com/pro","binaries":[{"binary_version":"1.8.3-3ubuntu14.04.1~esm2","binary_name":"tinyproxy"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2022/UBUNTU-CVE-2022-40468.json"}},{"package":{"name":"tinyproxy","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/tinyproxy@1.8.3-3ubuntu16.04.1~esm2?arch=source&distro=esm-apps/xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.8.3-3ubuntu16.04.1~esm2"}]}],"versions":["1.8.3-3ubuntu1","1.8.3-3ubuntu16.04.1~esm1"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro","binaries":[{"binary_version":"1.8.3-3ubuntu16.04.1~esm2","binary_name":"tinyproxy"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2022/UBUNTU-CVE-2022-40468.json"}},{"package":{"name":"tinyproxy","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/tinyproxy@1.8.4-5ubuntu0.1~esm2?arch=source&distro=esm-apps/bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.8.4-5ubuntu0.1~esm2"}]}],"versions":["1.8.4-2","1.8.4-3","1.8.4-5","1.8.4-5ubuntu0.1~esm1"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro","binaries":[{"binary_version":"1.8.4-5ubuntu0.1~esm2","binary_name":"tinyproxy"},{"binary_version":"1.8.4-5ubuntu0.1~esm2","binary_name":"tinyproxy-bin"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2022/UBUNTU-CVE-2022-40468.json"}},{"package":{"name":"tinyproxy","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/tinyproxy@1.10.0-4ubuntu0.1?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.10.0-4ubuntu0.1"}]}],"versions":["1.10.0-2","1.10.0-4"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"1.10.0-4ubuntu0.1","binary_name":"tinyproxy"},{"binary_version":"1.10.0-4ubuntu0.1","binary_name":"tinyproxy-bin"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2022/UBUNTU-CVE-2022-40468.json"}},{"package":{"name":"tinyproxy","ecosystem":"Ubuntu:Pro:22.04:LTS","purl":"pkg:deb/ubuntu/tinyproxy@1.11.0-1ubuntu0.1~esm1?arch=source&distro=esm-apps/jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.11.0-1ubuntu0.1~esm1"}]}],"versions":["1.10.0-5","1.11.0-1"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro","binaries":[{"binary_version":"1.11.0-1ubuntu0.1~esm1","binary_name":"tinyproxy"},{"binary_version":"1.11.0-1ubuntu0.1~esm1","binary_name":"tinyproxy-bin"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2022/UBUNTU-CVE-2022-40468.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"},{"type":"Ubuntu","score":"medium"}]}