Headline
GHSA-hg35-mp25-qf6h: phpseclib a large prime can cause a denial of service
An issue was discovered in phpseclib 1.x before 1.0.23, 2.x before 2.0.47, and 3.x before 3.0.36. An attacker can construct a malformed certificate containing an extremely large prime to cause a denial of service (CPU consumption for an isPrime primality check). NOTE: this issue was introduced when attempting to fix CVE-2023-27560.
Skip to content
Actions
Automate any workflow
Packages
Host and manage packages
Security
Find and fix vulnerabilities
Codespaces
Instant dev environments
Copilot
Write better code with AI
Code review
Manage code changes
Issues
Plan and track work
Discussions
Collaborate outside of code
GitHub Sponsors
Fund open source developers
* The ReadME Project
GitHub community articles
- Pricing
Provide feedback
Saved searches****Use saved searches to filter your results more quickly
Sign up
- GitHub Advisory Database
- GitHub Reviewed
- CVE-2024-27354
phpseclib a large prime can cause a denial of service
High severity GitHub Reviewed Published Mar 2, 2024 to the GitHub Advisory Database • Updated Mar 4, 2024
Package
composer phpseclib/phpseclib (Composer)
Affected versions
>= 1.0.0, < 1.0.23
>= 2.0.0, < 2.0.47
>= 3.0.0, < 3.0.36
Patched versions
1.0.23
2.0.47
3.0.36
Description
Published to the GitHub Advisory Database
Mar 2, 2024