Nixpkgs security tracker
NIXPKGS-2026-0744
GitHub issue
published 3 months ago
by @LeSuisse Activity log
- Created suggestion
-
@LeSuisse
ignored
4 packages
- rubyPackages.yard-activesupport-concern
- rubyPackages_3_3.yard-activesupport-concern
- rubyPackages_3_4.yard-activesupport-concern
- rubyPackages_4_0.yard-activesupport-concern
- @LeSuisse accepted
- @LeSuisse published on GitHub
Rails Active Support has a possible XSS vulnerability in SafeBuffer#%
Active Support is a toolkit of support libraries and Ruby core extensions extracted from the Rails framework. Prior to versions 8.1.2.1, 8.0.4.1, and 7.2.3.1, `SafeBuffer#%` does not propagate the `@html_unsafe` flag to the newly created buffer. If a `SafeBuffer` is mutated in place (e.g. via `gsub!`) and then formatted with `%` using untrusted arguments, the result incorrectly reports `html_safe? == true`, bypassing ERB auto-escaping and possibly leading to XSS. Versions 8.1.2.1, 8.0.4.1, and 7.2.3.1 contain a patch.
References
-
https://github.com/rails/rails/security/advisories/GHSA-89vf-4333-qx8v x_refsource_CONFIRM
-
https://github.com/rails/rails/releases/tag/v7.2.3.1 x_refsource_MISC
-
https://github.com/rails/rails/releases/tag/v8.0.4.1 x_refsource_MISC
-
https://github.com/rails/rails/releases/tag/v8.1.2.1 x_refsource_MISC
Affected products
activesupport
- ==>= 8.1.0.beta1, < 8.1.2.1
- ==>= 8.0.0.beta1, < 8.0.4.1
- ==< 7.2.3.1
Matching in nixpkgs
pkgs.rubyPackages.activesupport
None
pkgs.rubyPackages_3_1.activesupport
None
pkgs.rubyPackages_3_2.activesupport
None
pkgs.rubyPackages_3_3.activesupport
None
pkgs.rubyPackages_3_4.activesupport
None
pkgs.rubyPackages_4_0.activesupport
None