Home / mailings [SECURITY] [DSA 6331-1] keystone security update
Posted on 08 June 2026
Debian Security Advisory- -------------------------------------------------------------------------
Debian Security Advisory DSA-6331-1 security@debian.org
https://www.debian.org/security/ Moritz Muehlenhoff
June 08, 2026 https://www.debian.org/security/faq
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Package : keystone
CVE ID : CVE-2026-42998 CVE-2026-42999 CVE-2026-43000
CVE-2026-43001 CVE-2026-44394
Multiple vulnerabilities were discovered in Keystone, the OpenStack
identity service, which may result in authorisation bypass, privilege
escalation, user impersonation or incomplete termination of access
privileges.
For the oldstable distribution (bookworm), these problems have been fixed
in version 2:22.0.2-0+deb12u3. This update also include two fixes
already uploaded to be included in the final Bookworm point release
(CVE-2026-40683, CVE-2026-33551).
For the stable distribution (trixie), these problems have been fixed in
version 2:27.0.0-3+deb13u4. This update also include two fixes
already uploaded to be included in the next Trixie point release
(CVE-2026-40683, CVE-2026-33551).
We recommend that you upgrade your keystone packages.
For the detailed security status of keystone please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/keystone
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/
Mailing list: debian-security-announce@lists.debian.org
