{"id":"UBUNTU-CVE-2020-35502","details":"A flaw was found in Privoxy in versions before 3.0.29. Memory leaks when a response is buffered and the buffer limit is reached or Privoxy is running out of memory can lead to a system crash.","modified":"2026-01-30T02:23:34.233233Z","published":"2020-12-31T00:00:00Z","related":["USN-4886-1"],"upstream":["CVE-2020-35502"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-35502"},{"type":"REPORT","url":"https://www.openwall.com/lists/oss-security/2021/02/03/3"},{"type":"REPORT","url":"https://www.privoxy.org/gitweb/?p=privoxy.git;a=commit;h=bbd53f1010b"},{"type":"REPORT","url":"https://www.privoxy.org/gitweb/?p=privoxy.git;a=commit;h=4490d451f9b"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-4886-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2020-35502"}],"affected":[{"package":{"name":"privoxy","ecosystem":"Ubuntu:Pro:14.04:LTS","purl":"pkg:deb/ubuntu/privoxy@3.0.21-7+deb8u1ubuntu0.1~esm1?arch=source&distro=trusty/esm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.0.21-7+deb8u1ubuntu0.1~esm1"}]}],"versions":["3.0.21-1","3.0.21-2","3.0.21-7+deb8u1build0.14.04.1"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro","binaries":[{"binary_version":"3.0.21-7+deb8u1ubuntu0.1~esm1","binary_name":"privoxy"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-35502.json"}},{"package":{"name":"privoxy","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/privoxy@3.0.24-1ubuntu0.1?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.0.24-1ubuntu0.1"}]}],"versions":["3.0.23-3","3.0.23-4","3.0.23-5","3.0.24-1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"privoxy","binary_version":"3.0.24-1ubuntu0.1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-35502.json"}},{"package":{"name":"privoxy","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/privoxy@3.0.26-5ubuntu0.1?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.0.26-5ubuntu0.1"}]}],"versions":["3.0.26-3","3.0.26-4","3.0.26-5"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"privoxy","binary_version":"3.0.26-5ubuntu0.1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-35502.json"}},{"package":{"name":"privoxy","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/privoxy@3.0.28-2ubuntu0.1?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.0.28-2ubuntu0.1"}]}],"versions":["3.0.28-2"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"privoxy","binary_version":"3.0.28-2ubuntu0.1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-35502.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:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]}