| Package | Affected versions | Patched versions |
|---|---|---|
| samba | ≥ 3.6.0, < 4.12.15≥ 4.13.0, < 4.13.8≥ 4.14.0, < 4.14.4 | 4.12.154.13.84.14.4 |
A flaw was found in samba. The Samba smbd file server must map Windows group identities (SIDs) into unix group ids (gids). The code that performs this had a flaw that could allow it to read data beyond the end of the array in the case where a negative cache entry had been added to the mapping cache. This could cause the calling code to return those values into the process token that stores the group membership for a user. The highest threat from this vulnerability is to data confidentiality and integrity.
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