CVE-2012-1572

OpenStack Keystone: extremely long passwords can crash Keystone by exhausting stack space

7.5 HighFix available

CVE-2012-1572 is a high vulnerability (CVSS 7.5) in Keystone, published November 12, 2019. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.20%, the 68th percentile. Fixed in keystone 2012.1~rc2-1.

OpenStack Keystone: extremely long passwords can crash Keystone by exhausting stack space

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: None
Integrity: None
Availability: High

Exploit likelihood

1.20%Up 0.3 points since Feb 4, 2022

What each source reports

NVD Score used 7.5

OpenStack Keystone: extremely long passwords can crash Keystone by exhausting stack space

Record: CVE-2012-1572
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0: 5.0 MediumAV:N/AC:L/Au:N/C:N/I:N/A:P
Weakness: CWE-400
Updated: 2026-11-02

CVE List No score

OpenStack Keystone: extremely long passwords can crash Keystone by exhausting stack space

Record: CVE-2012-1572
Updated: 2026-11-02

EUVDEUVD-2012-1590 No score

OpenStack Keystone: extremely long passwords can crash Keystone by exhausting stack space

Record: EUVD-2012-1590
Updated: 2026-11-03

GitHub AdvisoriesGHSA-6xjx-jphh-cf8v No score

OpenStack Keystone: extremely long passwords can crash Keystone by exhausting stack space

OpenStack Keystone: extremely long passwords can crash Keystone by exhausting stack space

Record: GHSA-6xjx-jphh-cf8v
Updated: 2026-11-02

OSV 7.5

OpenStack Keystone: extremely long passwords can crash Keystone by exhausting stack space

Record: CVE-2012-1572
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated: 2026-11-02

OSVDEBIAN-CVE-2012-1572 7.5

OpenStack Keystone: extremely long passwords can crash Keystone by exhausting stack space

Record: DEBIAN-CVE-2012-1572
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated: 2026-11-02

Affected products

Affected packages

Affected packages
Package	Affected	Fixed
`keystone` Debian:12	before 2012.1~rc2-1	2012.1~rc2-1
`keystone` Debian:13	before 2012.1~rc2-1	2012.1~rc2-1
`keystone` Debian:14	before 2012.1~rc2-1	2012.1~rc2-1

History

History
When	Changed	Sources
2026-11-03	aliases	EUVD
2026-11-02	created	CVE List, GitHub Advisories, NVD, OSV

Attack profile

How easy it is to exploit

What an attacker can affect

Exploit likelihood

What each source reports

Affected products

Affected packages

History

References