A specially crafted argument to the idna.encode() function could consume significant resources. This may lead to a denial-of-service.
Patches
The function has been refined to reject such strings without the associated resource consumption in version 3.7.
Workarounds
Domain names cannot exceed 253 characters in length, if this length limit is enforced prior to passing the domain to the idna.encode() function it should no longer consume significant resources. This is triggered by arbitrarily large inputs that would not occur in normal usage, but may be passed to the library assuming there is no preliminary input validation by the higher-level application.
This PR contains the following updates:
==2.8
->==3.7
==2.6
->==3.7
GitHub Vulnerability Alerts
CVE-2024-3651
Impact
A specially crafted argument to the
idna.encode()
function could consume significant resources. This may lead to a denial-of-service.Patches
The function has been refined to reject such strings without the associated resource consumption in version 3.7.
Workarounds
Domain names cannot exceed 253 characters in length, if this length limit is enforced prior to passing the domain to the
idna.encode()
function it should no longer consume significant resources. This is triggered by arbitrarily large inputs that would not occur in normal usage, but may be passed to the library assuming there is no preliminary input validation by the higher-level application.References
Release Notes
kjd/idna (idna)
### [`v3.7`](https://togithub.com/kjd/idna/compare/v3.6...v3.7) [Compare Source](https://togithub.com/kjd/idna/compare/v3.6...v3.7) ### [`v3.6`](https://togithub.com/kjd/idna/compare/v3.5...v3.6) [Compare Source](https://togithub.com/kjd/idna/compare/v3.5...v3.6) ### [`v3.5`](https://togithub.com/kjd/idna/compare/v3.4...v3.5) [Compare Source](https://togithub.com/kjd/idna/compare/v3.4...v3.5) ### [`v3.4`](https://togithub.com/kjd/idna/compare/v3.3...v3.4) [Compare Source](https://togithub.com/kjd/idna/compare/v3.3...v3.4) ### [`v3.3`](https://togithub.com/kjd/idna/compare/v3.2...v3.3) [Compare Source](https://togithub.com/kjd/idna/compare/v3.2...v3.3) ### [`v3.2`](https://togithub.com/kjd/idna/compare/v3.1...v3.2) [Compare Source](https://togithub.com/kjd/idna/compare/v3.1...v3.2) ### [`v3.1`](https://togithub.com/kjd/idna/compare/v3.0...v3.1) [Compare Source](https://togithub.com/kjd/idna/compare/v3.0...v3.1) ### [`v3.0`](https://togithub.com/kjd/idna/compare/v2.10...v3.0) [Compare Source](https://togithub.com/kjd/idna/compare/v2.10...v3.0) ### [`v2.10`](https://togithub.com/kjd/idna/compare/v2.9...v2.10) [Compare Source](https://togithub.com/kjd/idna/compare/v2.9...v2.10) ### [`v2.9`](https://togithub.com/kjd/idna/compare/v2.8...v2.9) [Compare Source](https://togithub.com/kjd/idna/compare/v2.8...v2.9)Configuration
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