CVE catalog

CVE-2020-15719

openldap: CVE-2020-15719

Severity: Medium · CVSS 4.2CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N
Published: Nov 5, 2019, 12:00:00 AM UTC
Source: [NVD] · [CVE record]
EPSS: 2.50% · Oct 25, 2026

libldap in certain third-party OpenLDAP packages has a certificate-validation flaw when the third-party package is asserting RFC6125 support. It considers CN even when there is a non-matching subjectAltName (SAN). This is fixed in, for example, openldap-2.4.46-10.el8 in Red Hat Enterprise Linux.

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	openldap	sid	`2.6.14+dfsg-2`	vulnerable
Debian	openldap	forky	`2.6.14+dfsg-2`	vulnerable
Debian	openldap	trixie	`2.6.10+dfsg-1`	vulnerable
Debian	openldap	bookworm	`2.5.13+dfsg-5`	vulnerable
Suse	openldap2	linux enterprise module for basesystem 15 sp1	`2.4.46-9.34.1`	fixed
Suse	openldap2	linux enterprise module for basesystem 15 sp2	`2.4.46-9.34.1`	fixed
Suse	openldap2	linux enterprise module for development tools 15 sp1	`2.4.46-9.34.1`	fixed
Suse	openldap2	linux enterprise module for development tools 15 sp2	`2.4.46-9.34.1`	fixed
Suse	openldap2	linux enterprise module for legacy 15 sp1	`2.4.46-9.34.1`	fixed
Suse	openldap2	linux enterprise module for legacy 15 sp2	`2.4.46-9.34.1`	fixed
Opensuse	openldap2	leap 15.1	`2.4.46-lp151.10.15.1`	fixed
Opensuse	openldap2	leap 15.2	`2.4.46-lp152.14.6.1`	fixed

Fixed-version evidence

Distribution	Package	Type	Release	Fixed version	Urgency	Origin	Bugs
Debian	openldap	source	sid	`(unfixed)`	unimportant	Not reported	[965184]
Debian	openldap	source	forky	`(unfixed)`	unimportant	Not reported	[965184]
Debian	openldap	source	trixie	`(unfixed)`	unimportant	Not reported	[965184]
Debian	openldap	source	bookworm	`(unfixed)`	unimportant	Not reported	[965184]
Suse	openldap2	rpm	linux enterprise module for basesystem 15 sp1	`2.4.46-9.34.1`	Not reported	SUSE-SU-2020:2581-1	Not reported
Suse	openldap2	rpm	linux enterprise module for basesystem 15 sp2	`2.4.46-9.34.1`	Not reported	SUSE-SU-2020:2581-1	Not reported
Suse	openldap2	rpm	linux enterprise module for development tools 15 sp1	`2.4.46-9.34.1`	Not reported	SUSE-SU-2020:2581-1	Not reported
Suse	openldap2	rpm	linux enterprise module for development tools 15 sp2	`2.4.46-9.34.1`	Not reported	SUSE-SU-2020:2581-1	Not reported
Suse	openldap2	rpm	linux enterprise module for legacy 15 sp1	`2.4.46-9.34.1`	Not reported	SUSE-SU-2020:2581-1	Not reported
Suse	openldap2	rpm	linux enterprise module for legacy 15 sp2	`2.4.46-9.34.1`	Not reported	SUSE-SU-2020:2581-1	Not reported
Opensuse	openldap2	rpm	leap 15.1	`2.4.46-lp151.10.15.1`	Not reported	OPENSUSE-SU-2020:1416-1	Not reported
Opensuse	openldap2	rpm	leap 15.2	`2.4.46-lp152.14.6.1`	Not reported	OPENSUSE-SU-2020:1459-1	Not reported

[Debian bug #965184]

OpenFactory catalog packages

[Debian 12 (Bookworm)]

[ldap-utils]Affected
Source package: [openldap]
Details (2)
- 2.5.13+dfsg-5 · amd64 · bookworm
  Affected
  dsa · openldap · debian · bookworm; dsa · openldap · debian · 12
- 2.5.13+dfsg-5 · arm64 · bookworm
  Affected
  dsa · openldap · debian · bookworm; dsa · openldap · debian · 12
[libldap-2.5-0]Affected
Source package: [openldap]
Details (2)
- 2.5.13+dfsg-5 · amd64 · bookworm
  Affected
  dsa · openldap · debian · bookworm; dsa · openldap · debian · 12
- 2.5.13+dfsg-5 · arm64 · bookworm
  Affected
  dsa · openldap · debian · bookworm; dsa · openldap · debian · 12
[libldap2-dev]Affected
Source package: [openldap]
Details (2)
- 2.5.13+dfsg-5 · all · bookworm
  Affected
  dsa · openldap · debian · bookworm; dsa · openldap · debian · 12
- 2.5.13+dfsg-5 · all · bookworm
  Affected
  dsa · openldap · debian · bookworm; dsa · openldap · debian · 12
[libldap-common]Affected
Source package: [openldap]
Details (2)
- 2.5.13+dfsg-5 · all · bookworm
  Affected
  dsa · openldap · debian · bookworm; dsa · openldap · debian · 12
- 2.5.13+dfsg-5 · all · bookworm
  Affected
  dsa · openldap · debian · bookworm; dsa · openldap · debian · 12
[libldap-dev]Affected
Source package: [openldap]
Details (2)
- 2.5.13+dfsg-5 · amd64 · bookworm
  Affected
  dsa · openldap · debian · bookworm; dsa · openldap · debian · 12
- 2.5.13+dfsg-5 · arm64 · bookworm
  Affected
  dsa · openldap · debian · bookworm; dsa · openldap · debian · 12
[slapd]Affected
Source package: [openldap]
Details (2)
- 2.5.13+dfsg-5 · amd64 · bookworm
  Affected
  dsa · openldap · debian · bookworm; dsa · openldap · debian · 12
- 2.5.13+dfsg-5 · arm64 · bookworm
  Affected
  dsa · openldap · debian · bookworm; dsa · openldap · debian · 12
[slapd-contrib]Affected
Source package: [openldap]
Details (2)
- 2.5.13+dfsg-5 · amd64 · bookworm
  Affected
  dsa · openldap · debian · bookworm; dsa · openldap · debian · 12
- 2.5.13+dfsg-5 · arm64 · bookworm
  Affected
  dsa · openldap · debian · bookworm; dsa · openldap · debian · 12
[slapd-smbk5pwd]Affected
Source package: [openldap]
Details (2)
- 2.5.13+dfsg-5 · all · bookworm
  Affected
  dsa · openldap · debian · bookworm; dsa · openldap · debian · 12
- 2.5.13+dfsg-5 · all · bookworm
  Affected
  dsa · openldap · debian · bookworm; dsa · openldap · debian · 12
[slapi-dev]Affected
Source package: [openldap]
Details (2)
- 2.5.13+dfsg-5 · amd64 · bookworm
  Affected
  dsa · openldap · debian · bookworm; dsa · openldap · debian · 12
- 2.5.13+dfsg-5 · arm64 · bookworm
  Affected
  dsa · openldap · debian · bookworm; dsa · openldap · debian · 12

[Debian 13 (Trixie)]

[ldap-utils]Affected
Source package: [openldap]
Details (2)
- 2.6.10+dfsg-1 · amd64 · trixie
  Affected
  dsa · openldap · debian · 13
- 2.6.10+dfsg-1 · arm64 · trixie
  Affected
  dsa · openldap · debian · 13
[libldap2]Affected
Source package: [openldap]
Details (2)
- 2.6.10+dfsg-1 · amd64 · trixie
  Affected
  dsa · openldap · debian · 13
- 2.6.10+dfsg-1 · arm64 · trixie
  Affected
  dsa · openldap · debian · 13
[libldap2-dev]Affected
Source package: [openldap]
Details (2)
- 2.6.10+dfsg-1 · all · trixie
  Affected
  dsa · openldap · debian · 13
- 2.6.10+dfsg-1 · all · trixie
  Affected
  dsa · openldap · debian · 13
[libldap-common]Affected
Source package: [openldap]
Details (2)
- 2.6.10+dfsg-1 · all · trixie
  Affected
  dsa · openldap · debian · 13
- 2.6.10+dfsg-1 · all · trixie
  Affected
  dsa · openldap · debian · 13
[libldap-dev]Affected
Source package: [openldap]
Details (2)
- 2.6.10+dfsg-1 · amd64 · trixie
  Affected
  dsa · openldap · debian · 13
- 2.6.10+dfsg-1 · arm64 · trixie
  Affected
  dsa · openldap · debian · 13
[slapd]Affected
Source package: [openldap]
Details (2)
- 2.6.10+dfsg-1 · amd64 · trixie
  Affected
  dsa · openldap · debian · 13
- 2.6.10+dfsg-1 · arm64 · trixie
  Affected
  dsa · openldap · debian · 13
[slapd-contrib]Affected
Source package: [openldap]
Details (2)
- 2.6.10+dfsg-1 · amd64 · trixie
  Affected
  dsa · openldap · debian · 13
- 2.6.10+dfsg-1 · arm64 · trixie
  Affected
  dsa · openldap · debian · 13
[slapi-dev]Affected
Source package: [openldap]
Details (2)
- 2.6.10+dfsg-1 · amd64 · trixie
  Affected
  dsa · openldap · debian · 13
- 2.6.10+dfsg-1 · arm64 · trixie
  Affected
  dsa · openldap · debian · 13

Observed: Oct 23, 2026, 5:48:25 PM UTC

References

[CERT-Bund public advisories] · [Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]