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Debian Samba Critical Access Bypass Remote Code Exec Advisory DSA-6297-1

debian
Calendar Grey May 26, 2026
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Several vulnerabilities in Samba may allow access bypass, remote code execution, and more on Debian systems. Urgent updates advised.
Several vulnerabilities have been discovered in Samba, a SMB/CIFS file, print, and login server for Unix, which might result in bypass of access checks, overwrite of files in unint...
Topics%20covered

Topics Covered

security advisory denial of service remote code execution debian samba access bypass

Summary

For the oldstable distribution (bookworm), these problems have been
fixed in version 2:4.17.12+dfsg-0+deb12u4.

For the stable distribution (trixie), these problems have been fixed in
version 2:4.22.8+dfsg-0+deb13u2.

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/samba

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



Severity
critical
Lowest
Low
Medium
High
Critical

Package: samba
CVE ID: CVE-2026-1933 CVE-2026-2340 CVE-2026-3012 CVE-2026-3238

Topics%20covered

Topics Covered

security advisory denial of service remote code execution debian samba access bypass

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