CVE catalog

CVE-2020-1722

freeipa: CVE-2020-1722

Severity: Medium · CVSS 5.3CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H
Published: Apr 27, 2020, 9:15:13 PM UTC
Source: [NVD] · [CVE record]
EPSS: 1.24% · Oct 22, 2026

A flaw was found in all ipa versions 4.x.x through 4.8.0. When sending a very long password (>= 1,000,000 characters) to the server, the password hashing process could exhaust memory and CPU leading to a denial of service and the website becoming unresponsive. The highest threat from this vulnerability is to system availability.

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	freeipa	sid	`4.13.1-1`	fixed
Debian	freeipa	trixie	`4.12.4-1`	fixed
Debian	freeipa	bookworm	`4.9.11-1`	fixed

Fixed-version evidence

Distribution	Package	Type	Release	Fixed version	Urgency	Origin	Bugs
Debian	freeipa	source	sid	`4.8.8-2`	not yet assigned	Not reported	[966200]
Debian	freeipa	source	trixie	`4.8.8-2`	not yet assigned	Not reported	[966200]
Debian	freeipa	source	bookworm	`4.8.8-2`	not yet assigned	Not reported	[966200]

[Debian bug #966200]

OpenFactory catalog packages

[Debian 12 (Bookworm)]

[freeipa-client]Fixed
Source package: [freeipa]
Details (2)
- 4.9.11-1 · amd64 · bookworm
  Fixed · Fixed: 4.8.8-2
  dsa · freeipa · debian · bookworm; dsa · freeipa · debian · 12
- 4.9.11-1 · arm64 · bookworm
  Fixed · Fixed: 4.8.8-2
  dsa · freeipa · debian · bookworm; dsa · freeipa · debian · 12
[freeipa-client-epn]Fixed
Source package: [freeipa]
Details (2)
- 4.9.11-1 · amd64 · bookworm
  Fixed · Fixed: 4.8.8-2
  dsa · freeipa · debian · bookworm; dsa · freeipa · debian · 12
- 4.9.11-1 · arm64 · bookworm
  Fixed · Fixed: 4.8.8-2
  dsa · freeipa · debian · bookworm; dsa · freeipa · debian · 12
[freeipa-client-samba]Fixed
Source package: [freeipa]
Details (2)
- 4.9.11-1 · amd64 · bookworm
  Fixed · Fixed: 4.8.8-2
  dsa · freeipa · debian · bookworm; dsa · freeipa · debian · 12
- 4.9.11-1 · arm64 · bookworm
  Fixed · Fixed: 4.8.8-2
  dsa · freeipa · debian · bookworm; dsa · freeipa · debian · 12
[freeipa-common]Fixed
Source package: [freeipa]
Details (2)
- 4.9.11-1 · all · bookworm
  Fixed · Fixed: 4.8.8-2
  dsa · freeipa · debian · bookworm; dsa · freeipa · debian · 12
- 4.9.11-1 · all · bookworm
  Fixed · Fixed: 4.8.8-2
  dsa · freeipa · debian · bookworm; dsa · freeipa · debian · 12
[python3-ipaclient]Fixed
Source package: [freeipa]
Details (2)
- 4.9.11-1 · all · bookworm
  Fixed · Fixed: 4.8.8-2
  dsa · freeipa · debian · bookworm; dsa · freeipa · debian · 12
- 4.9.11-1 · all · bookworm
  Fixed · Fixed: 4.8.8-2
  dsa · freeipa · debian · bookworm; dsa · freeipa · debian · 12
[python3-ipalib]Fixed
Source package: [freeipa]
Details (2)
- 4.9.11-1 · all · bookworm
  Fixed · Fixed: 4.8.8-2
  dsa · freeipa · debian · bookworm; dsa · freeipa · debian · 12
- 4.9.11-1 · all · bookworm
  Fixed · Fixed: 4.8.8-2
  dsa · freeipa · debian · bookworm; dsa · freeipa · debian · 12

[Debian 13 (Trixie)]

[freeipa-client]Fixed
Source package: [freeipa]
Details (2)
- 4.12.4-1 · amd64 · trixie
  Fixed · Fixed: 4.8.8-2
  dsa · freeipa · debian · 13
- 4.12.4-1 · arm64 · trixie
  Fixed · Fixed: 4.8.8-2
  dsa · freeipa · debian · 13
[freeipa-client-epn]Fixed
Source package: [freeipa]
Details (2)
- 4.12.4-1 · amd64 · trixie
  Fixed · Fixed: 4.8.8-2
  dsa · freeipa · debian · 13
- 4.12.4-1 · arm64 · trixie
  Fixed · Fixed: 4.8.8-2
  dsa · freeipa · debian · 13
[freeipa-client-samba]Fixed
Source package: [freeipa]
Details (2)
- 4.12.4-1 · amd64 · trixie
  Fixed · Fixed: 4.8.8-2
  dsa · freeipa · debian · 13
- 4.12.4-1 · arm64 · trixie
  Fixed · Fixed: 4.8.8-2
  dsa · freeipa · debian · 13
[freeipa-common]Fixed
Source package: [freeipa]
Details (2)
- 4.12.4-1 · all · trixie
  Fixed · Fixed: 4.8.8-2
  dsa · freeipa · debian · 13
- 4.12.4-1 · all · trixie
  Fixed · Fixed: 4.8.8-2
  dsa · freeipa · debian · 13
[python3-ipaclient]Fixed
Source package: [freeipa]
Details (2)
- 4.12.4-1 · all · trixie
  Fixed · Fixed: 4.8.8-2
  dsa · freeipa · debian · 13
- 4.12.4-1 · all · trixie
  Fixed · Fixed: 4.8.8-2
  dsa · freeipa · debian · 13
[python3-ipalib]Fixed
Source package: [freeipa]
Details (2)
- 4.12.4-1 · all · trixie
  Fixed · Fixed: 4.8.8-2
  dsa · freeipa · debian · 13
- 4.12.4-1 · all · trixie
  Fixed · Fixed: 4.8.8-2
  dsa · freeipa · debian · 13

Observed: Oct 23, 2026, 5:48:50 PM UTC

References

[Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX]