Tarfile.extract() doesn't fully respect filter parameter
In the Tarfile.extract() function, the filter parameter is not passed properly when extracting hardlinks. An affected system that extracts content from untrusted tar files could end up writing files with an unexpected uid/gid despite the user passing filter='data' to the extract() function.
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beschreibt (1)
Zugehörige CVEs.
| ID | Schweregrad | ausnutzbar | ||
|---|---|---|---|---|
| CVE-2026-4360US | medium5.3 | — | ||
In the Tarfile.extract() function, the filter parameter is not passed properly when extracting hardlinks. An affected system that extracts content from untrusted tar files could en… | ||||
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Referenzen
Externe Belege — Patches, Meldungen, Analysen.
- https://github.com/python/cpython/commit/0367912be336348b30572f8029cec4a282782d92WEB
- https://github.com/python/cpython/commit/5e0ef3f1afe892e4f64eb83368db57ac4c40cba0FIX
- https://github.com/python/cpython/commit/7b57e8d51446297b8c7c482d224bc5f1938e4301FIX
- https://github.com/python/cpython/commit/7ccdbaba2c54250a70d7f25632152df7655a5e0aFIX
- https://github.com/python/cpython/commit/cf23b9153181062150d061468b6d24af33fe214fWEB
- https://github.com/python/cpython/commit/d2b2f5eacab4dd48446b63340613b05dcbbf0b44FIX
- https://github.com/python/cpython/commit/eee3ddf0ca10283cc7fea724aae9cd8665f8d15eFIX
- https://github.com/python/cpython/issues/151987FIX
scry
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