Import Source
https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-98403.json
JSON Data
https://api.osv.dev/v1/vulns/AZL-98403
Upstream
Published
2026-08-29T14:16:38Z
Modified
2026-09-03T05:27:10Z
Summary
CVE-2026-82455 affecting package ruby 3.3.5-8
Details

RubyGems fails to re-validate path containment after filesystem symlink resolution during gem extraction. When a pre-existing symlink inside the destination directory points outside the extraction root, extracted files that appear to be written under the destination directory can instead be written outside of it, breaking the extraction safety boundary. The fix resolves the real path of the parent directory before writing and raises Gem::Package::PathError if it escapes the destination directory.

References

Affected packages

Azure Linux:3 / ruby

Package

Name
ruby
Purl
pkg:rpm/azure-linux/ruby

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Last affected
3.3.5-8

Database specific

source
"https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-98403.json"