265 lines
11 KiB
JSON
265 lines
11 KiB
JSON
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"state": "PUBLISHED",
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"cveId": "CVE-2021-3733",
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"assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
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"assignerShortName": "redhat",
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"dateUpdated": "2026-10-14T09:49:49.275Z",
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"dateReserved": "2021-08-23T00:00:00.000Z",
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{
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"lang": "en",
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"value": "There's a flaw in urllib's AbstractBasicAuthHandler class. An attacker who controls a malicious HTTP server that an HTTP client (such as web browser) connects to, could trigger a Regular Expression Denial of Service (ReDOS) during an authentication request with a specially crafted payload that is sent by the server to the client. The greatest threat that this flaw poses is to application availability."
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{
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{
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"status": "affected"
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{
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"url": "https://bugs.python.org/issue43075"
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"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1995234"
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"url": "https://github.com/python/cpython/pull/24391"
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},
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{
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"url": "https://ubuntu.com/security/CVE-2021-3733"
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{
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"url": "https://github.com/python/cpython/commit/7215d1ae25525c92b026166f9d5cac85fb"
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},
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{
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"url": "https://security.netapp.com/advisory/ntap-20220407-0001/"
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},
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{
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"name": "[debian-lts-announce] 20230524 [SECURITY] [DLA 3432-1] python2.7 security update",
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"name": "[debian-lts-announce] 20230630 [SECURITY] [DLA 3477-1] python3.7 security update",
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"type": "CWE",
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"description": "CWE-400 - Uncontrolled Resource Consumption",
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"cweId": "CWE-400"
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}
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}
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{
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"role": "CISA Coordinator",
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"options": [
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{
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"Exploitation": "none"
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{
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"Automatable": "yes"
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"Technical Impact": "partial"
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"version": "2.0.3",
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"timestamp": "2026-10-08T20:57:59.983466Z"
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