{"id":"CLSA-2026-1779096552","summary":"Fix CVE(s): CVE-2025-13836, CVE-2026-4519","details":"   * SECURITY UPDATE: memory denial of service via attacker-controlled Content-Length in http.client\n     - debian/patches/CVE-2025-13836.patch: rewrite Lib/http/client.py _safe_read to read large\n       responses in geometrically-growing chunks bounded by _MIN_READ_BUF_SIZE (1 MiB), preventing\n       OOM when a malicious server advertises a large Content-Length without sending matching data.\n       Adapted from cpython 3.10 backport 5dc101675fd\n     - CVE-2025-13836\n   * SECURITY UPDATE: command injection in webbrowser.open() via leading dash in URL\n     - debian/patches/CVE-2026-4519.patch: add BaseBrowser._check_url static method that rejects\n       URLs whose lstripped form starts with a dash, and call it at the start of every open()\n       method in GenericBrowser, BackgroundBrowser, UnixBrowser, Konqueror, Grail, WindowsDefault,\n       MacOSX, and MacOSXOSAScript. Adapted from cpython 3.10 backports ad4d5ba32af and 591ed890270;\n       sys.audit() context lines absent in 3.7 (added in 3.8) so the check is inserted as the first\n       statement of each open()\n     - CVE-2026-4519","modified":"2026-06-04T09:45:29.890021809Z","published":"2026-05-18T09:29:16Z","upstream":["CVE-2025-13836","CVE-2026-4519"],"references":[{"type":"ADVISORY","url":"https://errata.tuxcare.com/els_os/debian10els/CLSA-2026-1779096552.html"}],"affected":[{"package":{"name":"idle-python3.7","ecosystem":"TuxCare:Debian:10","purl":"pkg:deb/tuxcare/idle-python3.7?distro=debian-10"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.7.3-2+deb10u7+tuxcare.els3"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/debian10els/CLSA-2026-1779096552.json"}},{"package":{"name":"libpython3.7","ecosystem":"TuxCare:Debian:10","purl":"pkg:deb/tuxcare/libpython3.7?distro=debian-10"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.7.3-2+deb10u7+tuxcare.els3"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/debian10els/CLSA-2026-1779096552.json"}},{"package":{"name":"libpython3.7-dev","ecosystem":"TuxCare:Debian:10","purl":"pkg:deb/tuxcare/libpython3.7-dev?distro=debian-10"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.7.3-2+deb10u7+tuxcare.els3"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/debian10els/CLSA-2026-1779096552.json"}},{"package":{"name":"libpython3.7-minimal","ecosystem":"TuxCare:Debian:10","purl":"pkg:deb/tuxcare/libpython3.7-minimal?distro=debian-10"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.7.3-2+deb10u7+tuxcare.els3"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/debian10els/CLSA-2026-1779096552.json"}},{"package":{"name":"libpython3.7-stdlib","ecosystem":"TuxCare:Debian:10","purl":"pkg:deb/tuxcare/libpython3.7-stdlib?distro=debian-10"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.7.3-2+deb10u7+tuxcare.els3"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/debian10els/CLSA-2026-1779096552.json"}},{"package":{"name":"libpython3.7-testsuite","ecosystem":"TuxCare:Debian:10","purl":"pkg:deb/tuxcare/libpython3.7-testsuite?distro=debian-10"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.7.3-2+deb10u7+tuxcare.els3"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/debian10els/CLSA-2026-1779096552.json"}},{"package":{"name":"python3.7","ecosystem":"TuxCare:Debian:10","purl":"pkg:deb/tuxcare/python3.7?distro=debian-10"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.7.3-2+deb10u7+tuxcare.els3"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/debian10els/CLSA-2026-1779096552.json"}},{"package":{"name":"python3.7-dev","ecosystem":"TuxCare:Debian:10","purl":"pkg:deb/tuxcare/python3.7-dev?distro=debian-10"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.7.3-2+deb10u7+tuxcare.els3"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/debian10els/CLSA-2026-1779096552.json"}},{"package":{"name":"python3.7-doc","ecosystem":"TuxCare:Debian:10","purl":"pkg:deb/tuxcare/python3.7-doc?distro=debian-10"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.7.3-2+deb10u7+tuxcare.els3"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/debian10els/CLSA-2026-1779096552.json"}},{"package":{"name":"python3.7-examples","ecosystem":"TuxCare:Debian:10","purl":"pkg:deb/tuxcare/python3.7-examples?distro=debian-10"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.7.3-2+deb10u7+tuxcare.els3"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/debian10els/CLSA-2026-1779096552.json"}},{"package":{"name":"python3.7-minimal","ecosystem":"TuxCare:Debian:10","purl":"pkg:deb/tuxcare/python3.7-minimal?distro=debian-10"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.7.3-2+deb10u7+tuxcare.els3"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/debian10els/CLSA-2026-1779096552.json"}},{"package":{"name":"python3.7-venv","ecosystem":"TuxCare:Debian:10","purl":"pkg:deb/tuxcare/python3.7-venv?distro=debian-10"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.7.3-2+deb10u7+tuxcare.els3"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/debian10els/CLSA-2026-1779096552.json"}}],"schema_version":"1.7.5"}