{"id":"CLSA-2026-1784798564","summary":"Fix CVE(s): CVE-2026-15308","details":"   * SECURITY UPDATE: quadratic-complexity denial of service in HTMLParser\n     incremental parsing\n     - debian/patches/CVE-2026-15308.patch: accumulate feed() data in a list\n       in Lib/HTMLParser.py so an unterminated markup construct fed across\n       many feed() calls is no longer rescanned and reconcatenated on every\n       call; adds a regression test in Lib/test/test_htmlparser.py.\n     - CVE-2026-15308","modified":"2026-10-26T09:31:47.561384087Z","published":"2026-07-23T09:23:09Z","upstream":["CVE-2026-15308"],"references":[{"type":"ADVISORY","url":"https://errata.tuxcare.com/els_os/ubuntu18.04els/CLSA-2026-1784798564.html"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-15308"}],"affected":[{"package":{"name":"idle-python2.7","ecosystem":"TuxCare:Ubuntu:18.04","purl":"pkg:deb/tuxcare/idle-python2.7?distro=ubuntu-18.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.7.17-1~18.04ubuntu1.11+tuxcare.els15"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1784798564.json"}},{"package":{"name":"libpython2.7","ecosystem":"TuxCare:Ubuntu:18.04","purl":"pkg:deb/tuxcare/libpython2.7?distro=ubuntu-18.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.7.17-1~18.04ubuntu1.11+tuxcare.els15"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1784798564.json"}},{"package":{"name":"libpython2.7-dev","ecosystem":"TuxCare:Ubuntu:18.04","purl":"pkg:deb/tuxcare/libpython2.7-dev?distro=ubuntu-18.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.7.17-1~18.04ubuntu1.11+tuxcare.els15"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1784798564.json"}},{"package":{"name":"libpython2.7-minimal","ecosystem":"TuxCare:Ubuntu:18.04","purl":"pkg:deb/tuxcare/libpython2.7-minimal?distro=ubuntu-18.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.7.17-1~18.04ubuntu1.11+tuxcare.els15"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1784798564.json"}},{"package":{"name":"libpython2.7-stdlib","ecosystem":"TuxCare:Ubuntu:18.04","purl":"pkg:deb/tuxcare/libpython2.7-stdlib?distro=ubuntu-18.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.7.17-1~18.04ubuntu1.11+tuxcare.els15"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1784798564.json"}},{"package":{"name":"libpython2.7-testsuite","ecosystem":"TuxCare:Ubuntu:18.04","purl":"pkg:deb/tuxcare/libpython2.7-testsuite?distro=ubuntu-18.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.7.17-1~18.04ubuntu1.11+tuxcare.els15"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1784798564.json"}},{"package":{"name":"python2.7","ecosystem":"TuxCare:Ubuntu:18.04","purl":"pkg:deb/tuxcare/python2.7?distro=ubuntu-18.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.7.17-1~18.04ubuntu1.11+tuxcare.els15"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1784798564.json"}},{"package":{"name":"python2.7-dev","ecosystem":"TuxCare:Ubuntu:18.04","purl":"pkg:deb/tuxcare/python2.7-dev?distro=ubuntu-18.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.7.17-1~18.04ubuntu1.11+tuxcare.els15"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1784798564.json"}},{"package":{"name":"python2.7-doc","ecosystem":"TuxCare:Ubuntu:18.04","purl":"pkg:deb/tuxcare/python2.7-doc?distro=ubuntu-18.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.7.17-1~18.04ubuntu1.11+tuxcare.els15"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1784798564.json"}},{"package":{"name":"python2.7-examples","ecosystem":"TuxCare:Ubuntu:18.04","purl":"pkg:deb/tuxcare/python2.7-examples?distro=ubuntu-18.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.7.17-1~18.04ubuntu1.11+tuxcare.els15"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1784798564.json"}},{"package":{"name":"python2.7-minimal","ecosystem":"TuxCare:Ubuntu:18.04","purl":"pkg:deb/tuxcare/python2.7-minimal?distro=ubuntu-18.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.7.17-1~18.04ubuntu1.11+tuxcare.els15"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1784798564.json"}}],"schema_version":"1.9.0"}