{"id":"CVE-2019-9740","details":"An issue was discovered in urllib2 in Python 2.x through 2.7.16 and urllib in Python 3.x through 3.7.3. CRLF injection is possible if the attacker controls a url parameter, as demonstrated by the first argument to urllib.request.urlopen with \\r\\n (specifically in the query string after a ? character) followed by an HTTP header or a Redis command. This is fixed in: v2.7.17, v2.7.17rc1, v2.7.18, v2.7.18rc1; v3.5.10, v3.5.10rc1, v3.5.8, v3.5.8rc1, v3.5.8rc2, v3.5.9; v3.6.10, v3.6.10rc1, v3.6.11, v3.6.11rc1, v3.6.12, v3.6.9, v3.6.9rc1; v3.7.4, v3.7.4rc1, v3.7.4rc2, v3.7.5, v3.7.5rc1, v3.7.6, v3.7.6rc1, v3.7.7, v3.7.7rc1, v3.7.8, v3.7.8rc1, v3.7.9.","aliases":["PSF-2019-10"],"modified":"2026-04-16T04:34:15.558821900Z","published":"2019-03-13T03:29:00.193Z","related":["ALSA-2019:3335","SUSE-FU-2022:0444-1","SUSE-FU-2022:0445-1","SUSE-SU-2019:2267-1","SUSE-SU-2019:2300-1","SUSE-SU-2019:2331-1","SUSE-SU-2019:2332-1","SUSE-SU-2019:2370-1","SUSE-SU-2019:2391-1","SUSE-SU-2019:2399-1","SUSE-SU-2020:3624-1","openSUSE-SU-2019:2131-1","openSUSE-SU-2019:2133-1","openSUSE-SU-2024:11204-1","openSUSE-SU-2024:11277-1","openSUSE-SU-2024:12944-1","openSUSE-SU-2024:14055-1","openSUSE-SU-2024:14128-1"],"references":[{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2ORNTF62QPLMJXIQ7KTZQ2776LMIXEKL/"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/44TS66GJMO5H3RLMVZEBGEFTB6O2LJJU/"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JCPGLTTOBB3QEARDX4JOYURP6ELNNA2V/"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/M34WOYCDKTDE5KLUACE2YIEH7D37KHRX/"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4X3HW5JRZ7GCPSR7UHJOLD7AWLTQCDVR/"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JMWSKTNOHSUOT3L25QFJAVCFYZX46FYK/"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JXASHCDD4PQFKTMKQN4YOP5ZH366ABN4/"},{"type":"ADVISORY","url":"http://www.openwall.com/lists/oss-security/2021/02/04/2"},{"type":"ADVISORY","url":"https://seclists.org/bugtraq/2019/Oct/29"},{"type":"ADVISORY","url":"http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00041.html"},{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2019/06/msg00026.html"},{"type":"ADVISORY","url":"https://usn.ubuntu.com/4127-2/"},{"type":"ADVISORY","url":"http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00039.html"},{"type":"ADVISORY","url":"http://www.securityfocus.com/bid/107466"},{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2019/06/msg00022.html"},{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2019/06/msg00023.html"},{"type":"ADVISORY","url":"http://packetstormsecurity.com/files/154927/Slackware-Security-Advisory-python-Updates.html"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2019:1260"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2019:3520"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2019:3725"},{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2020/08/msg00034.html"},{"type":"ADVISORY","url":"https://usn.ubuntu.com/4127-1/"},{"type":"ADVISORY","url":"https://www.oracle.com/security-alerts/cpujul2022.html"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2019:3335"},{"type":"ADVISORY","url":"https://security.netapp.com/advisory/ntap-20190619-0005/"},{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2020/07/msg00011.html"},{"type":"ADVISORY","url":"https://security.gentoo.org/glsa/202003-26"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2019:2030"},{"type":"REPORT","url":"https://bugs.python.org/issue36276"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/python/cpython","events":[{"introduced":"ff139a8a44d079a8261292044c82f128343fea09"},{"fixed":"c2f86d86e6c8f5fd1ef602128b537a48f3f5c063"},{"introduced":"2e789a1f1d84b343a996e8654590703b5fbdd441"},{"fixed":"ac39a516017c80993309f803441c8ee97c44838e"},{"introduced":"5c4568a05a0a62b5947c55f68f9f2ecfb90a4f12"},{"fixed":"201c8f79450628241574fba940e08107178dc3a5"},{"introduced":"1bf9cc509326bc42cd8cb1650eb9bf64550d817e"},{"fixed":"e09359112e250268eca209355abeb17abf822486"}],"database_specific":{"versions":[{"introduced":"2.0"},{"fixed":"2.7.17"},{"introduced":"3.5.0"},{"fixed":"3.5.8"},{"introduced":"3.6.0"},{"fixed":"3.6.9"},{"introduced":"3.7.0"},{"fixed":"3.7.4"}]}}],"versions":["v2.0","v2.1","v2.1a1","v2.1a2","v2.1b1","v2.1b2","v2.1c1","v2.1c2","v2.2a3","v2.3c1","v2.3c2","v2.4","v2.4a1","v2.4a2","v2.4a3","v2.4b1","v2.4b2","v2.4c1","v2.5a0","v2.5a1","v2.5a2","v2.5b1","v2.5b2","v2.5b3","v2.6","v2.6a1","v2.6a2","v2.6a3","v2.6b1","v2.6b2","v2.6b3","v2.6rc1","v2.6rc2","v2.7","v2.7.1","v2.7.10rc1","v2.7.11rc1","v2.7.12rc1","v2.7.13rc1","v2.7.15rc1","v2.7.16rc1","v2.7.17rc1","v2.7.1rc1","v2.7.2rc1","v2.7.3rc1","v2.7.4rc1","v2.7.5","v2.7.6rc1","v2.7.8","v2.7.9rc1","v2.7a1","v2.7a2","v2.7a3","v2.7a4","v2.7b1","v2.7b2","v2.7rc1","v2.7rc2","v3.0a1","v3.0a2","v3.0a3","v3.0a4","v3.0a5","v3.0b1","v3.0b2","v3.0b3","v3.0rc1","v3.0rc2","v3.0rc3","v3.1","v3.1a1","v3.1a2","v3.1b1","v3.1rc1","v3.1rc2","v3.2a1","v3.2a2","v3.2a3","v3.2a4","v3.2b1","v3.2b2","v3.2rc1","v3.2rc2","v3.2rc3","v3.3.0a2","v3.3.0a3","v3.3.0a4","v3.3.0b1","v3.3.0b2","v3.3.0rc1","v3.3.0rc2","v3.3.0rc3","v3.4.0a1","v3.4.0a2","v3.4.0a3","v3.4.0a4","v3.4.0b1","v3.4.0b2","v3.4.0b3","v3.5.0a1","v3.5.0a2","v3.5.0a3","v3.5.0a4","v3.5.0b1","v3.5.0b3","v3.5.0b4","v3.5.0rc1","v3.5.0rc2","v3.5.0rc3","v3.5.1rc1","v3.5.2","v3.5.2rc1","v3.5.3","v3.5.3rc1","v3.5.4","v3.5.4rc1","v3.5.5","v3.5.5rc1","v3.5.6","v3.5.6rc1","v3.5.7","v3.5.7rc1","v3.5.8rc1","v3.5.8rc2","v3.6.0a3","v3.6.0b1","v3.6.0b3","v3.6.0b4","v3.6.0rc1","v3.6.2rc1","v3.6.6rc1","v3.6.8","v3.6.8rc1","v3.6.9rc1","v3.7.0a2","v3.7.0b1","v3.7.0b2","v3.7.0b3","v3.7.0b4","v3.7.0b5","v3.7.0rc1","v3.7.2rc1","v3.7.3rc1","v3.7.4rc1","v3.7.4rc2"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-9740.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"}]}