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GHSA-mq66-vcfc-8246

Mercurial Path Traversal/Link Following vulnerability

Source: GitHub Advisory Database (reviewed) Moderate CVE-2019-3902

Packages

EcosystemPackageAffectedFixed in
PyPI mercurial < 4.9 4.9

Details

As written in the advisory (Markdown source, shown as plain text).

A flaw was found in Mercurial before 4.9. It was possible to use symlinks and subrepositories to defeat Mercurial's path-checking logic and write files outside a repository.

References

External links from the advisory. They lead to third-party sites.