CVE-2021-33502
First published: Fri May 21 2021(Updated: )
A flaw was found in normalize-url. Node.js has a ReDoS (regular expression denial of service) issue because it has exponential performance for data.
Credit: cve@mitre.org cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| npm/normalize-url | >=4.3.0<4.5.1 | 4.5.1 |
| npm/normalize-url | >=6.0.0<6.0.1 | 6.0.1 |
| npm/normalize-url | >=5.0.0<5.3.1 | 5.3.1 |
| IBM Sterling External Authentication Server | <=6.1.0 | |
| Normalize-url Project Normalize-url | >=4.3.0<4.5.1 | |
| Normalize-url Project Normalize-url | >=5.0.0<5.3.1 | |
| Normalize-url Project Normalize-url | =6.0.0 | |
| redhat/nodejs-nodemon | <0:2.0.19-1.el9_0 | 0:2.0.19-1.el9_0 |
| redhat/rh-nodejs12-nodejs | <0:12.22.2-1.el7 | 0:12.22.2-1.el7 |
| redhat/rh-nodejs12-nodejs-nodemon | <0:2.0.3-2.el7 | 0:2.0.3-2.el7 |
| redhat/rh-nodejs14-nodejs | <0:14.17.2-1.el7 | 0:14.17.2-1.el7 |
| redhat/rh-nodejs14-nodejs-nodemon | <0:2.0.3-2.el7 | 0:2.0.3-2.el7 |
| redhat/ovirt-engine-ui-extensions | <0:1.3.3-1.el8e | 0:1.3.3-1.el8e |
| redhat/ovirt-web-ui | <0:1.8.1-2.el8e | 0:1.8.1-2.el8e |
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Reference Links
- https://nvd.nist.gov/vuln/detail/CVE-2021-33502
- https://github.com/sindresorhus/normalize-url/releases/tag/v6.0.1
- https://github.com/sindresorhus/normalize-url/commit/b1fdb5120b6d27a88400d8800e67ff5a22bd2103
- https://security.netapp.com/advisory/ntap-20210706-0001/
- https://github.com/advisories/GHSA-px4h-xg32-q955 (Advisory)
- https://exchange.xforce.ibmcloud.com/vulnerabilities/202299
- https://www.ibm.com/support/pages/node/6890669 (Advisory)
- https://github.com/sindresorhus/normalize-url/commit/7df5aff5024f848a4bf69a6513bdffe8e5f10bcb
- https://access.redhat.com/errata/RHSA-2021:2931
- https://access.redhat.com/errata/RHSA-2021:2932
- https://access.redhat.com/security/cve/cve-2021-33502
- https://access.redhat.com/errata/RHSA-2021:3016
- https://access.redhat.com/errata/RHSA-2021:5171
- https://access.redhat.com/errata/RHSA-2022:0246
- https://access.redhat.com/errata/RHSA-2022:0350
- https://access.redhat.com/errata/RHSA-2022:4711
- https://access.redhat.com/errata/RHSA-2022:6595
- https://bugzilla.redhat.com/show_bug.cgi?id=1964461
- https://www.cve.org/CVERecord?id=CVE-2021-33502 https://nvd.nist.gov/vuln/detail/CVE-2021-33502 https://snyk.io/vuln/SNYK-JS-NORMALIZEURL-1296539
Parent vulnerabilities
(Appears in the following advisories)
Frequently Asked Questions
What is CVE-2021-33502?
CVE-2021-33502 is a vulnerability in the normalize-url module in Node.js that allows for a denial of service attack.
What is the severity of CVE-2021-33502?
CVE-2021-33502 is classified as a high severity vulnerability with a severity rating of 7.5.
How does CVE-2021-33502 impact normalize-url?
CVE-2021-33502 impacts normalize-url by causing a denial of service condition.
How can CVE-2021-33502 be fixed?
To fix CVE-2021-33502, update normalize-url to version 4.5.1 or higher.
Where can I find more information about CVE-2021-33502?
You can find more information about CVE-2021-33502 on the NVD website.
- collector/nvd-api
- collector/redhat-cve
- collector/nvd-index
- collector/nvd-cve
- collector/github-advisory-latest
- alias/GHSA-px4h-xg32-q955
- alias/CVE-2021-33502
- collector/github-advisory
- agent/type
- agent/first-publish-date
- agent/softwarecombine
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- agent/severity
- collector/redhat-bugzilla
- source/Red Hat
- agent/software-canonical-lookup
- collector/ibm-support
- source/IBM
- agent/description
- collector/mitre-cve
- source/MITRE
- agent/last-modified-date
- agent/tags
- agent/event
- agent/trending
- vendor/normalize-url project
- canonical/normalize-url project normalize-url
- version/normalize-url project normalize-url/4.3.0
- version/normalize-url project normalize-url/5.0.0
- version/normalize-url project normalize-url/6.0.0
- package-manager/redhat
- package-manager/npm
- vendor/ibm
- canonical/ibm sterling external authentication server
- version/ibm sterling external authentication server/6.1.0