CVE-2026-1933

Publication date 26 May 2026

Last updated 27 May 2026


Ubuntu priority

Description

Missing access checks on reparse point operations

Read the notes from the security team

Status

Package Ubuntu Release Status
samba 26.04 LTS resolute
Fixed 2:4.23.6+dfsg-1ubuntu2.1
25.10 questing
Fixed 2:4.22.3+dfsg-4ubuntu2.4
24.04 LTS noble
Not affected
22.04 LTS jammy
Not affected
20.04 LTS focal
Not affected
18.04 LTS bionic
Not affected
16.04 LTS xenial
Not affected
14.04 LTS trusty
Not affected

Notes


mdeslaur

4.21+ only This only causes users to be able to set or delete the reparse point xattrs on files that should be read only with "read only = yes"

References

Related Ubuntu Security Notices (USN)

Other references


Access our resources on patching vulnerabilities