CVE catalog
CVE-2017-17740
openldap: CVE-2017-17740
- Severity
- Medium · CVSS 5.9
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 7.02% · Oct 25, 2026
contrib/slapd-modules/nops/nops.c in OpenLDAP through 2.4.45, when both the nops module and the memberof overlay are enabled, attempts to free a buffer that was allocated on the stack, which allows remote attackers to cause a denial of service (slapd crash) via a member MODDN operation.
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 |
| Alpine | openldap | 3.10 | 2.4.46-r0 | fixed |
| Alpine | openldap | 3.11 | 2.4.46-r0 | fixed |
| Alpine | openldap | 3.12 | 2.4.46-r0 | fixed |
| Alpine | openldap | 3.13 | 2.4.46-r0 | fixed |
| Alpine | openldap | 3.14 | 2.4.46-r0 | fixed |
| Alpine | openldap | 3.15 | 2.4.46-r0 | fixed |
| Alpine | openldap | 3.16 | 2.4.46-r0 | fixed |
| Alpine | openldap | 3.17 | 2.4.46-r0 | fixed |
| Alpine | openldap | 3.18 | 2.4.46-r0 | fixed |
| Alpine | openldap | 3.19 | 2.4.46-r0 | fixed |
| Alpine | openldap | 3.20 | 2.4.46-r0 | fixed |
| Alpine | openldap | 3.21 | 2.4.46-r0 | fixed |
| Alpine | openldap | 3.22 | 2.4.46-r0 | fixed |
| Alpine | openldap | 3.23 | 2.4.46-r0 | fixed |
| Alpine | openldap | 3.24 | 2.4.46-r0 | fixed |
| Alpine | openldap | 3.7 | 2.4.46-r0 | fixed |
| Alpine | openldap | 3.8 | 2.4.46-r0 | fixed |
| Alpine | openldap | 3.9 | 2.4.46-r0 | fixed |
| Suse | openldap2 | linux enterprise module for basesystem 15 | 2.4.46-9.19.2 | fixed |
| Suse | openldap2 | linux enterprise module for basesystem 15 sp1 | 2.4.46-9.19.2 | fixed |
| Suse | openldap2 | linux enterprise module for development tools 15 | 2.4.46-9.19.2 | fixed |
| Suse | openldap2 | linux enterprise module for development tools 15 sp1 | 2.4.46-9.19.2 | fixed |
| Suse | openldap2 | linux enterprise module for legacy 15 | 2.4.46-9.19.2 | fixed |
| Suse | openldap2 | linux enterprise module for legacy 15 sp1 | 2.4.46-9.19.2 | fixed |
| Opensuse | openldap2 | leap 15.1 | 2.4.46-lp151.10.3.1 | fixed |
| Opensuse | openldap2 | leap 15.0 | 2.4.46-lp150.13.1 | fixed |
| Suse | openldap2 | linux enterprise module for legacy 12 | 2.4.41-18.24.9.7 | fixed |
| Suse | openldap2 | linux enterprise server for sap applications 12 | 2.4.41-18.24.9.7 | fixed |
| Suse | openldap2-client | linux enterprise server for sap applications 12 | 2.4.41-18.24.9.1 | fixed |
| Suse | openldap2 | linux enterprise server for sap applications 12 sp1 | 2.4.41-18.24.9.7 | fixed |
| Suse | openldap2-client | linux enterprise server for sap applications 12 sp1 | 2.4.41-18.24.9.1 | fixed |
| Suse | openldap2 | linux enterprise server for sap applications 12 sp2 | 2.4.41-18.24.9.7 | fixed |
| Suse | openldap2 | linux enterprise server for sap applications 12 sp3 | 2.4.41-18.24.9.7 | fixed |
| Suse | openldap2 | linux enterprise server for sap applications 12 sp4 | 2.4.41-18.24.9.7 | fixed |
| Suse | openldap2 | linux enterprise server 12-ltss | 2.4.41-18.24.9.7 | fixed |
| Suse | openldap2-client | linux enterprise server 12-ltss | 2.4.41-18.24.9.1 | fixed |
| Suse | openldap2 | linux enterprise server 12 sp1-ltss | 2.4.41-18.24.9.7 | fixed |
| Suse | openldap2-client | linux enterprise server 12 sp1-ltss | 2.4.41-18.24.9.1 | fixed |
| Suse | openldap2 | linux enterprise desktop 12 sp3 | 2.4.41-18.43.1 | fixed |
| Suse | openldap2 | linux enterprise desktop 12 sp4 | 2.4.41-18.43.1 | fixed |
| Suse | openldap2 | linux enterprise software development kit 12 sp3 | 2.4.41-18.43.1 | fixed |
| Suse | openldap2 | linux enterprise software development kit 12 sp4 | 2.4.41-18.43.1 | fixed |
| Suse | openldap2 | linux enterprise server 12 sp3 | 2.4.41-18.43.1 | fixed |
| Suse | openldap2 | linux enterprise server for sap applications 12 sp3 | 2.4.41-18.43.1 | fixed |
| Suse | openldap2 | linux enterprise server 12 sp4 | 2.4.41-18.43.1 | fixed |
| Suse | openldap2 | linux enterprise server for sap applications 12 sp4 | 2.4.41-18.43.1 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | openldap | source | sid | (unfixed) | unimportant | Not reported | Not reported |
| Debian | openldap | source | forky | (unfixed) | unimportant | Not reported | Not reported |
| Debian | openldap | source | trixie | (unfixed) | unimportant | Not reported | Not reported |
| Debian | openldap | source | bookworm | (unfixed) | unimportant | Not reported | Not reported |
| Alpine | openldap | apk | 3.10 | 2.4.46-r0 | Not reported | ALPINE-CVE-2017-17740 | Not reported |
| Alpine | openldap | apk | 3.11 | 2.4.46-r0 | Not reported | ALPINE-CVE-2017-17740 | Not reported |
| Alpine | openldap | apk | 3.12 | 2.4.46-r0 | Not reported | ALPINE-CVE-2017-17740 | Not reported |
| Alpine | openldap | apk | 3.13 | 2.4.46-r0 | Not reported | ALPINE-CVE-2017-17740 | Not reported |
| Alpine | openldap | apk | 3.14 | 2.4.46-r0 | Not reported | ALPINE-CVE-2017-17740 | Not reported |
| Alpine | openldap | apk | 3.15 | 2.4.46-r0 | Not reported | ALPINE-CVE-2017-17740 | Not reported |
| Alpine | openldap | apk | 3.16 | 2.4.46-r0 | Not reported | ALPINE-CVE-2017-17740 | Not reported |
| Alpine | openldap | apk | 3.17 | 2.4.46-r0 | Not reported | ALPINE-CVE-2017-17740 | Not reported |
| Alpine | openldap | apk | 3.18 | 2.4.46-r0 | Not reported | ALPINE-CVE-2017-17740 | Not reported |
| Alpine | openldap | apk | 3.19 | 2.4.46-r0 | Not reported | ALPINE-CVE-2017-17740 | Not reported |
| Alpine | openldap | apk | 3.20 | 2.4.46-r0 | Not reported | ALPINE-CVE-2017-17740 | Not reported |
| Alpine | openldap | apk | 3.21 | 2.4.46-r0 | Not reported | ALPINE-CVE-2017-17740 | Not reported |
| Alpine | openldap | apk | 3.22 | 2.4.46-r0 | Not reported | ALPINE-CVE-2017-17740 | Not reported |
| Alpine | openldap | apk | 3.23 | 2.4.46-r0 | Not reported | ALPINE-CVE-2017-17740 | Not reported |
| Alpine | openldap | apk | 3.24 | 2.4.46-r0 | Not reported | ALPINE-CVE-2017-17740 | Not reported |
| Alpine | openldap | apk | 3.7 | 2.4.46-r0 | Not reported | ALPINE-CVE-2017-17740 | Not reported |
| Alpine | openldap | apk | 3.8 | 2.4.46-r0 | Not reported | ALPINE-CVE-2017-17740 | Not reported |
| Alpine | openldap | apk | 3.9 | 2.4.46-r0 | Not reported | ALPINE-CVE-2017-17740 | Not reported |
| Suse | openldap2 | rpm | linux enterprise module for basesystem 15 | 2.4.46-9.19.2 | Not reported | SUSE-SU-2019:2395-1 | Not reported |
| Suse | openldap2 | rpm | linux enterprise module for basesystem 15 sp1 | 2.4.46-9.19.2 | Not reported | SUSE-SU-2019:2395-1 | Not reported |
| Suse | openldap2 | rpm | linux enterprise module for development tools 15 | 2.4.46-9.19.2 | Not reported | SUSE-SU-2019:2395-1 | Not reported |
| Suse | openldap2 | rpm | linux enterprise module for development tools 15 sp1 | 2.4.46-9.19.2 | Not reported | SUSE-SU-2019:2395-1 | Not reported |
| Suse | openldap2 | rpm | linux enterprise module for legacy 15 | 2.4.46-9.19.2 | Not reported | SUSE-SU-2019:2395-1 | Not reported |
| Suse | openldap2 | rpm | linux enterprise module for legacy 15 sp1 | 2.4.46-9.19.2 | Not reported | SUSE-SU-2019:2395-1 | Not reported |
| Opensuse | openldap2 | rpm | leap 15.1 | 2.4.46-lp151.10.3.1 | Not reported | OPENSUSE-SU-2019:2157-1 | Not reported |
| Opensuse | openldap2 | rpm | leap 15.0 | 2.4.46-lp150.13.1 | Not reported | OPENSUSE-SU-2019:2176-1 | Not reported |
| Suse | openldap2 | rpm | linux enterprise module for legacy 12 | 2.4.41-18.24.9.7 | Not reported | SUSE-SU-2019:0931-1 | Not reported |
| Suse | openldap2 | rpm | linux enterprise server for sap applications 12 | 2.4.41-18.24.9.7 | Not reported | SUSE-SU-2019:0931-1 | Not reported |
| Suse | openldap2-client | rpm | linux enterprise server for sap applications 12 | 2.4.41-18.24.9.1 | Not reported | SUSE-SU-2019:0931-1 | Not reported |
| Suse | openldap2 | rpm | linux enterprise server for sap applications 12 sp1 | 2.4.41-18.24.9.7 | Not reported | SUSE-SU-2019:0931-1 | Not reported |
| Suse | openldap2-client | rpm | linux enterprise server for sap applications 12 sp1 | 2.4.41-18.24.9.1 | Not reported | SUSE-SU-2019:0931-1 | Not reported |
| Suse | openldap2 | rpm | linux enterprise server for sap applications 12 sp2 | 2.4.41-18.24.9.7 | Not reported | SUSE-SU-2019:0931-1 | Not reported |
| Suse | openldap2 | rpm | linux enterprise server for sap applications 12 sp3 | 2.4.41-18.24.9.7 | Not reported | SUSE-SU-2019:0931-1 | Not reported |
| Suse | openldap2 | rpm | linux enterprise server for sap applications 12 sp4 | 2.4.41-18.24.9.7 | Not reported | SUSE-SU-2019:0931-1 | Not reported |
| Suse | openldap2 | rpm | linux enterprise server 12-ltss | 2.4.41-18.24.9.7 | Not reported | SUSE-SU-2019:0931-1 | Not reported |
| Suse | openldap2-client | rpm | linux enterprise server 12-ltss | 2.4.41-18.24.9.1 | Not reported | SUSE-SU-2019:0931-1 | Not reported |
| Suse | openldap2 | rpm | linux enterprise server 12 sp1-ltss | 2.4.41-18.24.9.7 | Not reported | SUSE-SU-2019:0931-1 | Not reported |
| Suse | openldap2-client | rpm | linux enterprise server 12 sp1-ltss | 2.4.41-18.24.9.1 | Not reported | SUSE-SU-2019:0931-1 | Not reported |
| Suse | openldap2 | rpm | linux enterprise desktop 12 sp3 | 2.4.41-18.43.1 | Not reported | SUSE-SU-2018:4150-1 | Not reported |
| Suse | openldap2 | rpm | linux enterprise desktop 12 sp4 | 2.4.41-18.43.1 | Not reported | SUSE-SU-2018:4150-1 | Not reported |
| Suse | openldap2 | rpm | linux enterprise software development kit 12 sp3 | 2.4.41-18.43.1 | Not reported | SUSE-SU-2018:4150-1 | Not reported |
| Suse | openldap2 | rpm | linux enterprise software development kit 12 sp4 | 2.4.41-18.43.1 | Not reported | SUSE-SU-2018:4150-1 | Not reported |
| Suse | openldap2 | rpm | linux enterprise server 12 sp3 | 2.4.41-18.43.1 | Not reported | SUSE-SU-2018:4150-1 | Not reported |
| Suse | openldap2 | rpm | linux enterprise server for sap applications 12 sp3 | 2.4.41-18.43.1 | Not reported | SUSE-SU-2018:4150-1 | Not reported |
| Suse | openldap2 | rpm | linux enterprise server 12 sp4 | 2.4.41-18.43.1 | Not reported | SUSE-SU-2018:4150-1 | Not reported |
| Suse | openldap2 | rpm | linux enterprise server for sap applications 12 sp4 | 2.4.41-18.43.1 | Not reported | SUSE-SU-2018:4150-1 | Not reported |
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [ldap-utils]Affected
Source package: [openldap]
Details (2)
2.5.13+dfsg-5· amd64 · bookwormAffected
dsa · openldap · debian · bookworm; dsa · openldap · debian · 12
2.5.13+dfsg-5· arm64 · bookwormAffected
dsa · openldap · debian · bookworm; dsa · openldap · debian · 12
- [libldap-2.5-0]Affected
Source package: [openldap]
Details (2)
2.5.13+dfsg-5· amd64 · bookwormAffected
dsa · openldap · debian · bookworm; dsa · openldap · debian · 12
2.5.13+dfsg-5· arm64 · bookwormAffected
dsa · openldap · debian · bookworm; dsa · openldap · debian · 12
- [libldap2-dev]Affected
Source package: [openldap]
Details (2)
2.5.13+dfsg-5· all · bookwormAffected
dsa · openldap · debian · bookworm; dsa · openldap · debian · 12
2.5.13+dfsg-5· all · bookwormAffected
dsa · openldap · debian · bookworm; dsa · openldap · debian · 12
- [libldap-common]Affected
Source package: [openldap]
Details (2)
2.5.13+dfsg-5· all · bookwormAffected
dsa · openldap · debian · bookworm; dsa · openldap · debian · 12
2.5.13+dfsg-5· all · bookwormAffected
dsa · openldap · debian · bookworm; dsa · openldap · debian · 12
- [libldap-dev]Affected
Source package: [openldap]
Details (2)
2.5.13+dfsg-5· amd64 · bookwormAffected
dsa · openldap · debian · bookworm; dsa · openldap · debian · 12
2.5.13+dfsg-5· arm64 · bookwormAffected
dsa · openldap · debian · bookworm; dsa · openldap · debian · 12
- [slapd]Affected
Source package: [openldap]
Details (2)
2.5.13+dfsg-5· amd64 · bookwormAffected
dsa · openldap · debian · bookworm; dsa · openldap · debian · 12
2.5.13+dfsg-5· arm64 · bookwormAffected
dsa · openldap · debian · bookworm; dsa · openldap · debian · 12
- [slapd-contrib]Affected
Source package: [openldap]
Details (2)
2.5.13+dfsg-5· amd64 · bookwormAffected
dsa · openldap · debian · bookworm; dsa · openldap · debian · 12
2.5.13+dfsg-5· arm64 · bookwormAffected
dsa · openldap · debian · bookworm; dsa · openldap · debian · 12
- [slapd-smbk5pwd]Affected
Source package: [openldap]
Details (2)
2.5.13+dfsg-5· all · bookwormAffected
dsa · openldap · debian · bookworm; dsa · openldap · debian · 12
2.5.13+dfsg-5· all · bookwormAffected
dsa · openldap · debian · bookworm; dsa · openldap · debian · 12
- [slapi-dev]Affected
Source package: [openldap]
Details (2)
2.5.13+dfsg-5· amd64 · bookwormAffected
dsa · openldap · debian · bookworm; dsa · openldap · debian · 12
2.5.13+dfsg-5· arm64 · bookwormAffected
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 · trixieAffected
dsa · openldap · debian · 13
2.6.10+dfsg-1· arm64 · trixieAffected
dsa · openldap · debian · 13
- [libldap2]Affected
Source package: [openldap]
Details (2)
2.6.10+dfsg-1· amd64 · trixieAffected
dsa · openldap · debian · 13
2.6.10+dfsg-1· arm64 · trixieAffected
dsa · openldap · debian · 13
- [libldap2-dev]Affected
Source package: [openldap]
Details (2)
2.6.10+dfsg-1· all · trixieAffected
dsa · openldap · debian · 13
2.6.10+dfsg-1· all · trixieAffected
dsa · openldap · debian · 13
- [libldap-common]Affected
Source package: [openldap]
Details (2)
2.6.10+dfsg-1· all · trixieAffected
dsa · openldap · debian · 13
2.6.10+dfsg-1· all · trixieAffected
dsa · openldap · debian · 13
- [libldap-dev]Affected
Source package: [openldap]
Details (2)
2.6.10+dfsg-1· amd64 · trixieAffected
dsa · openldap · debian · 13
2.6.10+dfsg-1· arm64 · trixieAffected
dsa · openldap · debian · 13
- [slapd]Affected
Source package: [openldap]
Details (2)
2.6.10+dfsg-1· amd64 · trixieAffected
dsa · openldap · debian · 13
2.6.10+dfsg-1· arm64 · trixieAffected
dsa · openldap · debian · 13
- [slapd-contrib]Affected
Source package: [openldap]
Details (2)
2.6.10+dfsg-1· amd64 · trixieAffected
dsa · openldap · debian · 13
2.6.10+dfsg-1· arm64 · trixieAffected
dsa · openldap · debian · 13
- [slapi-dev]Affected
Source package: [openldap]
Details (2)
2.6.10+dfsg-1· amd64 · trixieAffected
dsa · openldap · debian · 13
2.6.10+dfsg-1· arm64 · trixieAffected
dsa · openldap · debian · 13
Observed:
References
- [https://ftp.suse.com/pub/projects/security/csaf/suse-su-2018_4150-1.json]
- [https://osv.dev/vulnerability/ALPINE-CVE-2017-17740]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2017-17740]
- [https://osv.dev/vulnerability/SUSE-SU-2018:4150-1]
- [https://osv.dev/vulnerability/SUSE-SU-2019:0931-1]
- [https://osv.dev/vulnerability/SUSE-SU-2019:2395-1]
- [https://osv.dev/vulnerability/openSUSE-SU-2019:2157-1]
- [https://osv.dev/vulnerability/openSUSE-SU-2019:2176-1]
- [https://security-tracker.debian.org/tracker/CVE-2017-17740]
- [https://security.access.redhat.com/data/csaf/v2/vex/2017/cve-2017-17740.json]
- [https://wid.cert-bund.de/.well-known/csaf/white/2018/wid-sec-w-2024-3164.json]
[CERT-Bund public advisories] · [Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]