CVE catalog
CVE-2016-4911
keystone: CVE-2016-4911
- Severity
- Medium
- Published
- Source
- [NVD] · [CVE record]
- EPSS
- 1.40% · Oct 25, 2026
The Fernet Token Provider in OpenStack Identity (Keystone) 9.0.x before 9.0.1 (mitaka) allows remote authenticated users to prevent revocation of a chain of tokens and bypass intended access restrictions by rescoping a token.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | keystone | sid | 2:30.0.0-3 | fixed |
| Debian | keystone | forky | 2:30.0.0-3 | fixed |
| Debian | keystone | trixie | 2:27.0.0-3+deb13u5 | fixed |
| Debian | keystone | trixie-security | 2:27.0.0-3+deb13u6 | fixed |
| Debian | keystone | bookworm | 2:22.0.2-0+deb12u3 | fixed |
| Debian | keystone | bookworm-security | 2:22.0.2-0+deb12u6 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | keystone | source | sid | 2:9.0.0-2 | not yet assigned | Not reported | [824683] |
| Debian | keystone | source | forky | 2:9.0.0-2 | not yet assigned | Not reported | [824683] |
| Debian | keystone | source | trixie | 2:9.0.0-2 | not yet assigned | Not reported | [824683] |
| Debian | keystone | source | bookworm | 2:9.0.0-2 | not yet assigned | Not reported | [824683] |
OpenFactory catalog packages
Matching against OpenFactory catalog package versions is in progress.
[Debian 12 (Bookworm)]
- [keystone]Unknown
Details (4)
2:22.0.2-0+deb12u3· all · bookwormFixed · Fixed:
2:9.0.0-2dsa · keystone · debian · bookworm; dsa · keystone · debian · 12
2:22.0.2-0+deb12u3· all · bookwormFixed · Fixed:
2:9.0.0-2dsa · keystone · debian · bookworm; dsa · keystone · debian · 12
2:22.0.2-0+deb12u3· all · bookworm-securityFixed · Fixed:
2:9.0.0-2dsa · keystone · debian · bookworm; dsa · keystone · debian · 12
2:22.0.2-0+deb12u3· all · bookworm-securityFixed · Fixed:
2:9.0.0-2dsa · keystone · debian · bookworm; dsa · keystone · debian · 12
- [keystone-doc]Unknown
Source package: [keystone]
Details (4)
2:22.0.2-0+deb12u3· all · bookwormFixed · Fixed:
2:9.0.0-2dsa · keystone · debian · bookworm; dsa · keystone · debian · 12
2:22.0.2-0+deb12u3· all · bookwormFixed · Fixed:
2:9.0.0-2dsa · keystone · debian · bookworm; dsa · keystone · debian · 12
2:22.0.2-0+deb12u3· all · bookworm-securityFixed · Fixed:
2:9.0.0-2dsa · keystone · debian · bookworm; dsa · keystone · debian · 12
2:22.0.2-0+deb12u3· all · bookworm-securityFixed · Fixed:
2:9.0.0-2dsa · keystone · debian · bookworm; dsa · keystone · debian · 12
- [python3-keystone]Unknown
Source package: [keystone]
Details (4)
2:22.0.2-0+deb12u3· all · bookwormFixed · Fixed:
2:9.0.0-2dsa · keystone · debian · bookworm; dsa · keystone · debian · 12
2:22.0.2-0+deb12u3· all · bookwormFixed · Fixed:
2:9.0.0-2dsa · keystone · debian · bookworm; dsa · keystone · debian · 12
2:22.0.2-0+deb12u3· all · bookworm-securityFixed · Fixed:
2:9.0.0-2dsa · keystone · debian · bookworm; dsa · keystone · debian · 12
2:22.0.2-0+deb12u3· all · bookworm-securityFixed · Fixed:
2:9.0.0-2dsa · keystone · debian · bookworm; dsa · keystone · debian · 12
[Debian 13 (Trixie)]
- [keystone]Unknown
Details (6)
2:27.0.0-3+deb13u4· all · trixieFixed · Fixed:
2:9.0.0-2dsa · keystone · debian · 13
2:27.0.0-3+deb13u4· all · trixieFixed · Fixed:
2:9.0.0-2dsa · keystone · debian · 13
2:27.0.0-3+deb13u4· all · trixie-securityFixed · Fixed:
2:9.0.0-2dsa · keystone · debian · 13
2:27.0.0-3+deb13u4· all · trixie-security · Historical versionFixed · Fixed:
2:9.0.0-2dsa · keystone · debian · 13
2:27.0.0-3+deb13u5· all · trixie-security · Historical versionFixed · Fixed:
2:9.0.0-2dsa · keystone · debian · 13
2:27.0.0-3+deb13u6· all · trixie-securityFixed · Fixed:
2:9.0.0-2dsa · keystone · debian · 13
- [keystone-doc]Unknown
Source package: [keystone]
Details (6)
2:27.0.0-3+deb13u4· all · trixieFixed · Fixed:
2:9.0.0-2dsa · keystone · debian · 13
2:27.0.0-3+deb13u4· all · trixieFixed · Fixed:
2:9.0.0-2dsa · keystone · debian · 13
2:27.0.0-3+deb13u4· all · trixie-securityFixed · Fixed:
2:9.0.0-2dsa · keystone · debian · 13
2:27.0.0-3+deb13u4· all · trixie-security · Historical versionFixed · Fixed:
2:9.0.0-2dsa · keystone · debian · 13
2:27.0.0-3+deb13u5· all · trixie-security · Historical versionFixed · Fixed:
2:9.0.0-2dsa · keystone · debian · 13
2:27.0.0-3+deb13u6· all · trixie-securityFixed · Fixed:
2:9.0.0-2dsa · keystone · debian · 13
- [python3-keystone]Unknown
Source package: [keystone]
Details (6)
2:27.0.0-3+deb13u4· all · trixieFixed · Fixed:
2:9.0.0-2dsa · keystone · debian · 13
2:27.0.0-3+deb13u4· all · trixieFixed · Fixed:
2:9.0.0-2dsa · keystone · debian · 13
2:27.0.0-3+deb13u4· all · trixie-securityFixed · Fixed:
2:9.0.0-2dsa · keystone · debian · 13
2:27.0.0-3+deb13u4· all · trixie-security · Historical versionFixed · Fixed:
2:9.0.0-2dsa · keystone · debian · 13
2:27.0.0-3+deb13u5· all · trixie-security · Historical versionFixed · Fixed:
2:9.0.0-2dsa · keystone · debian · 13
2:27.0.0-3+deb13u6· all · trixie-securityFixed · Fixed:
2:9.0.0-2dsa · keystone · debian · 13
Observed:
References
- [https://osv.dev/vulnerability/DEBIAN-CVE-2016-4911]
- [https://osv.dev/vulnerability/UBUNTU-CVE-2016-4911]
- [https://security-tracker.debian.org/tracker/CVE-2016-4911]
- [https://security.access.redhat.com/data/csaf/v2/vex/2016/cve-2016-4911.json]
[Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX]