UBUNTU-CVE-2026-64380

In the Linux kernel, the following vulnerability has been resolved: smb: client: harden POSIX SID length parsing posixinfosidsize reads sid1 to obtain the subauthority count, but its existing boundary check still accepts buffers with only one remaining byte. Require two bytes before reading sid1 ...

Linux Distros Unpatched Vulnerability : CVE-2026-64380

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - smb: client: harden POSIX SID length parsing posixinfosidsize reads sid1 to obtain the subauthority count, but its existing boundary check still accepts buffers...

MiracleLinux 3 : samba-3.0.33-3.29.1.0.1.AXS3 (AXSA:2010-452:03)

The remote MiracleLinux 3 host has packages installed that are affected by a vulnerability as referenced in the AXSA:2010-452:03 advisory. Samba is the suite of programs by which a lot of PC-related machines share files, printers, and other information such as lists of available files and printer...

SAMBA buffer overflow

Buffer overflow on share SID parsing...

USN-987-1: Samba vulnerability

Andrew Bartlett discovered that Samba did not correctly validate the length when parsing SIDs. A remote attacker could send a specially crafted request to the server and cause a denial of service, or possibly execute arbitrary code with the privileges of the Samba service smbd. The default compil...