Alerts This Week
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Alerts This Week
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Debian 11: Samba Critical Info Disclosure CVE-2025-9640 DLA-4384-1

debian lts
Calendar Grey November 26, 2025
Dist Debian Esm H88
A flaw in Samba allows unauthorized access to data due to uninitialized memory, posing critical risks.
A flaw was found in Samba, in the vfs_streams_xattr module, where uninitialized heap memory could be written into alternate data streams
Topics%20covered

Topics Covered

security advisory critical debian samba information disclosure authenticity

Summary

For Debian 11 bullseye, this problem has been fixed in version
2:4.13.13+dfsg-1~deb11u7.

We recommend that you upgrade your samba packages.

For the detailed security status of samba please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/source-package/samba

Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS



Severity
critical
Lowest
Low
Medium
High
Critical

Package: samba
Version: 2:4.13.13+dfsg-1~deb11u7
CVE ID: CVE-2025-9640

Topics%20covered

Topics Covered

security advisory critical debian samba information disclosure authenticity

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