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osvGoogleOSV:CVE-2021-33503
HistoryJun 29, 2021 - 11:15 a.m.

CVE-2021-33503

2021-06-2911:15:07
Google
osv.dev
9

0.003 Low

EPSS

Percentile

69.2%

JSON

An issue was discovered in urllib3 before 1.26.5. When provided with a URL containing many @ characters in the authority component, the authority regular expression exhibits catastrophic backtracking, causing a denial of service if a URL were passed as a parameter or redirected to via an HTTP redirect.

Related

redhatcve 1
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nvd 1
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fedora 3
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CVE-2021-33503
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SUSE SLED15 / SLES15 Security Update : python-urllib3 (SUSE-SU-2021:2012-1)
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Photon OS 3.0: Python PHSA-2021-3.0-0266
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Photon OS 4.0: Python3 PHSA-2021-4.0-0060
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Important Photon OS Security Update - PHSA-2021-0266
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Important Photon OS Security Update - PHSA-2021-3.0-0266
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Critical Photon OS Security Update - PHSA-2021-0060
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ROS-20220125-01
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2021-06-29 11:15:00
cbl_mariner
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CVE-2021-33503 affecting package python-urllib3 1.25.9-2
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CVE-2021-33503 affecting package python-urllib3 for versions less than 1.25.9-3
2022-04-09 06:51:50
openvas
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SUSE: Security Advisory (SUSE-SU-2021:2012-1)
2021-06-20 00:00:00
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2023-01-20 00:00:00
Fedora: Security Advisory for mingw-python-urllib3 (FEDORA-2021-b14975e43d)
2021-06-20 00:00:00
archlinux
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[ASA-202106-25] python-urllib3: denial of service
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Medium: python-urllib3
2021-07-14 20:40:00
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PYSEC-2021-108
2021-06-29 11:15:00
Catastrophic backtracking in URL authority parser when passed URL containing many @ characters
2021-06-01 21:19:32
python-urllib3 vulnerability
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ibm
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Security Bulletin: Watson CP4D Data Stores is vulnerable to urllib3 denial of service vulnerability ( CVE-2021-33503)
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Security Bulletin: Vulnerability in urllib3 affects IBM Cloud Pak for Data System 2.0 (CPDS 2.0)[CVE-2021-33503]
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Security Bulletin: Vulnerability in Urllib3 affects IBM Spectrum Protect Plus Microsoft File Systems Backup and Restore (CVE-2021-33503)
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CVE-2021-33503
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2021-11-09 12:47:54
nvd
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CVE-2021-33503
2021-06-29 11:15:07
cve
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CVE-2021-33503
2021-06-29 11:15:07
fedora
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[SECURITY] Fedora 34 Update: python-urllib3-1.25.10-5.fc34
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[SECURITY] Fedora 33 Update: python-urllib3-1.25.8-5.fc33
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f5
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K23456112 : Python urllib3 vulnerability CVE-2021-33503
2021-11-26 00:00:00
debiancve
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2021-06-29 11:15:07
veracode
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Denial Of Service (DoS)
2021-06-02 08:30:01
github
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Catastrophic backtracking in URL authority parser when passed URL containing many @ characters
2021-06-01 21:19:32
ubuntu
ubuntu
urllib3 vulnerability
2023-01-19 00:00:00
ubuntucve
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CVE-2021-33503
2021-06-29 00:00:00
suse
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Security update for python-urllib3 (important)
2021-07-10 00:00:00
gentoo
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urllib3: Multiple vulnerabilities
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mageia
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almalinux
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oraclelinux
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rocky
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oracle
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Oracle Critical Patch Update Advisory - October 2021
2021-10-19 00:00:00

0.003 Low

EPSS

Percentile

69.2%

JSON
Related for OSV:CVE-2021-33503
redhatcve1nessus29photon6redos1prion1cbl_mariner2openvas12archlinux1amazon1osv7ibm20cvelist1redhat5nvd1cve1fedora3f51debiancve1veracode1github1ubuntu1ubuntucve1suse1gentoo1mageia2almalinux2oraclelinux2rocky2oracle1