CVE catalog
CVE-2017-2625
libxdmcp: CVE-2017-2625
- Severity
- Medium · CVSS 6.5
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 0.53% · Oct 25, 2026
It was discovered that libXdmcp before 1.1.2 including used weak entropy to generate session keys. On a multi-user system using xdmcp, a local attacker could potentially use information available from the process list to brute force the key, allowing them to hijack other users' sessions.
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 | libxdmcp | sid | 1:1.1.5-2 | fixed |
| Debian | libxdmcp | forky | 1:1.1.5-2 | fixed |
| Debian | libxdmcp | trixie | 1:1.1.5-1 | fixed |
| Debian | libxdmcp | bookworm | 1:1.1.2-3 | fixed |
| Ubuntu | libxdmcp | pro | 1:1.1.2-1 | vulnerable |
| Ubuntu | libxdmcp | pro | 1:1.1.2-1.1 | vulnerable |
| Ubuntu | libxdmcp | pro | 1:1.1.2-1.1ubuntu0.1~esm1 | fixed |
| Alpine | libxdmcp | 3.10 | 1.1.2-r3 | fixed |
| Alpine | libxdmcp | 3.11 | 1.1.2-r3 | fixed |
| Alpine | libxdmcp | 3.12 | 1.1.2-r3 | fixed |
| Alpine | libxdmcp | 3.13 | 1.1.2-r3 | fixed |
| Alpine | libxdmcp | 3.14 | 1.1.2-r3 | fixed |
| Alpine | libxdmcp | 3.15 | 1.1.2-r3 | fixed |
| Alpine | libxdmcp | 3.16 | 1.1.2-r3 | fixed |
| Alpine | libxdmcp | 3.17 | 1.1.2-r3 | fixed |
| Alpine | libxdmcp | 3.18 | 1.1.2-r3 | fixed |
| Alpine | libxdmcp | 3.19 | 1.1.2-r3 | fixed |
| Alpine | libxdmcp | 3.20 | 1.1.2-r3 | fixed |
| Alpine | libxdmcp | 3.21 | 1.1.2-r3 | fixed |
| Alpine | libxdmcp | 3.22 | 1.1.2-r3 | fixed |
| Alpine | libxdmcp | 3.23 | 1.1.2-r3 | fixed |
| Alpine | libxdmcp | 3.24 | 1.1.2-r3 | fixed |
| Alpine | libxdmcp | 3.6 | 1.1.2-r3 | fixed |
| Alpine | libxdmcp | 3.7 | 1.1.2-r3 | fixed |
| Alpine | libxdmcp | 3.8 | 1.1.2-r3 | fixed |
| Alpine | libxdmcp | 3.9 | 1.1.2-r3 | fixed |
| Ubuntu | libxdmcp | pro | 1:1.1.2-1 | vulnerable |
| Ubuntu | libxdmcp | pro | 1:1.1.2-1.1 | vulnerable |
| Ubuntu | libxdmcp | pro | 1:1.1.2-1.1ubuntu0.1~esm1 | fixed |
| Ubuntu | libxdmcp | 18.04 | 1:1.1.2-3 | fixed |
| Suse | xorg-x11-libXdmcp | linux enterprise software development kit 11 sp4 | 7.4-3.1 | fixed |
| Suse | xorg-x11-libXdmcp | linux enterprise server 11 sp4 | 7.4-3.1 | fixed |
| Suse | xorg-x11-libXdmcp | linux enterprise server for sap applications 11 sp4 | 7.4-3.1 | fixed |
| Suse | libXdmcp | linux enterprise desktop 12 sp3 | 1.1.1-12.1 | fixed |
| Suse | libXdmcp | linux enterprise software development kit 12 sp3 | 1.1.1-12.1 | fixed |
| Suse | libXdmcp | linux enterprise server 12 sp3 | 1.1.1-12.1 | fixed |
| Suse | libXdmcp | linux enterprise server for sap applications 12 sp3 | 1.1.1-12.1 | fixed |
| Opensuse | libXdmcp | tumbleweed | 1.1.3-1.11 | fixed |
| Suse | libXdmcp | linux enterprise desktop 12 sp2 | 1.1.1-10.1 | fixed |
| Suse | libXdmcp | linux enterprise server for raspberry pi 12 sp2 | 1.1.1-10.1 | fixed |
| Suse | libXdmcp | linux enterprise software development kit 12 sp2 | 1.1.1-10.1 | fixed |
| Suse | libXdmcp | linux enterprise server 12 sp2 | 1.1.1-10.1 | fixed |
| Suse | libXdmcp | linux enterprise server for sap applications 12 sp2 | 1.1.1-10.1 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | libxdmcp | source | sid | 1:1.1.2-2 | not yet assigned | Not reported | [856399] |
| Debian | libxdmcp | source | forky | 1:1.1.2-2 | not yet assigned | Not reported | [856399] |
| Debian | libxdmcp | source | trixie | 1:1.1.2-2 | not yet assigned | Not reported | [856399] |
| Debian | libxdmcp | source | bookworm | 1:1.1.2-2 | not yet assigned | Not reported | [856399] |
| Ubuntu | libxdmcp | deb | pro | 1:1.1.2-1.1ubuntu0.1~esm1 | Not reported | USN-5690-1 | Not reported |
| Alpine | libxdmcp | apk | 3.10 | 1.1.2-r3 | Not reported | ALPINE-CVE-2017-2625 | Not reported |
| Alpine | libxdmcp | apk | 3.11 | 1.1.2-r3 | Not reported | ALPINE-CVE-2017-2625 | Not reported |
| Alpine | libxdmcp | apk | 3.12 | 1.1.2-r3 | Not reported | ALPINE-CVE-2017-2625 | Not reported |
| Alpine | libxdmcp | apk | 3.13 | 1.1.2-r3 | Not reported | ALPINE-CVE-2017-2625 | Not reported |
| Alpine | libxdmcp | apk | 3.14 | 1.1.2-r3 | Not reported | ALPINE-CVE-2017-2625 | Not reported |
| Alpine | libxdmcp | apk | 3.15 | 1.1.2-r3 | Not reported | ALPINE-CVE-2017-2625 | Not reported |
| Alpine | libxdmcp | apk | 3.16 | 1.1.2-r3 | Not reported | ALPINE-CVE-2017-2625 | Not reported |
| Alpine | libxdmcp | apk | 3.17 | 1.1.2-r3 | Not reported | ALPINE-CVE-2017-2625 | Not reported |
| Alpine | libxdmcp | apk | 3.18 | 1.1.2-r3 | Not reported | ALPINE-CVE-2017-2625 | Not reported |
| Alpine | libxdmcp | apk | 3.19 | 1.1.2-r3 | Not reported | ALPINE-CVE-2017-2625 | Not reported |
| Alpine | libxdmcp | apk | 3.20 | 1.1.2-r3 | Not reported | ALPINE-CVE-2017-2625 | Not reported |
| Alpine | libxdmcp | apk | 3.21 | 1.1.2-r3 | Not reported | ALPINE-CVE-2017-2625 | Not reported |
| Alpine | libxdmcp | apk | 3.22 | 1.1.2-r3 | Not reported | ALPINE-CVE-2017-2625 | Not reported |
| Alpine | libxdmcp | apk | 3.23 | 1.1.2-r3 | Not reported | ALPINE-CVE-2017-2625 | Not reported |
| Alpine | libxdmcp | apk | 3.24 | 1.1.2-r3 | Not reported | ALPINE-CVE-2017-2625 | Not reported |
| Alpine | libxdmcp | apk | 3.6 | 1.1.2-r3 | Not reported | ALPINE-CVE-2017-2625 | Not reported |
| Alpine | libxdmcp | apk | 3.7 | 1.1.2-r3 | Not reported | ALPINE-CVE-2017-2625 | Not reported |
| Alpine | libxdmcp | apk | 3.8 | 1.1.2-r3 | Not reported | ALPINE-CVE-2017-2625 | Not reported |
| Alpine | libxdmcp | apk | 3.9 | 1.1.2-r3 | Not reported | ALPINE-CVE-2017-2625 | Not reported |
| Ubuntu | libxdmcp | deb | pro | 1:1.1.2-1.1ubuntu0.1~esm1 | Not reported | UBUNTU-CVE-2017-2625 | Not reported |
| Ubuntu | libxdmcp | deb | 18.04 | 1:1.1.2-3 | Not reported | UBUNTU-CVE-2017-2625 | Not reported |
| Suse | xorg-x11-libXdmcp | rpm | linux enterprise software development kit 11 sp4 | 7.4-3.1 | Not reported | SUSE-SU-2017:1868-1 | Not reported |
| Suse | xorg-x11-libXdmcp | rpm | linux enterprise server 11 sp4 | 7.4-3.1 | Not reported | SUSE-SU-2017:1868-1 | Not reported |
| Suse | xorg-x11-libXdmcp | rpm | linux enterprise server for sap applications 11 sp4 | 7.4-3.1 | Not reported | SUSE-SU-2017:1868-1 | Not reported |
| Suse | libXdmcp | rpm | linux enterprise desktop 12 sp3 | 1.1.1-12.1 | Not reported | SUSE-SU-2018:0338-1 | Not reported |
| Suse | libXdmcp | rpm | linux enterprise software development kit 12 sp3 | 1.1.1-12.1 | Not reported | SUSE-SU-2018:0338-1 | Not reported |
| Suse | libXdmcp | rpm | linux enterprise server 12 sp3 | 1.1.1-12.1 | Not reported | SUSE-SU-2018:0338-1 | Not reported |
| Suse | libXdmcp | rpm | linux enterprise server for sap applications 12 sp3 | 1.1.1-12.1 | Not reported | SUSE-SU-2018:0338-1 | Not reported |
| Opensuse | libXdmcp | rpm | tumbleweed | 1.1.3-1.11 | Not reported | OPENSUSE-SU-2024:10920-1 | Not reported |
| Suse | libXdmcp | rpm | linux enterprise desktop 12 sp2 | 1.1.1-10.1 | Not reported | SUSE-SU-2017:1862-1 | Not reported |
| Suse | libXdmcp | rpm | linux enterprise server for raspberry pi 12 sp2 | 1.1.1-10.1 | Not reported | SUSE-SU-2017:1862-1 | Not reported |
| Suse | libXdmcp | rpm | linux enterprise software development kit 12 sp2 | 1.1.1-10.1 | Not reported | SUSE-SU-2017:1862-1 | Not reported |
| Suse | libXdmcp | rpm | linux enterprise server 12 sp2 | 1.1.1-10.1 | Not reported | SUSE-SU-2017:1862-1 | Not reported |
| Suse | libXdmcp | rpm | linux enterprise server for sap applications 12 sp2 | 1.1.1-10.1 | Not reported | SUSE-SU-2017:1862-1 | Not reported |
OpenFactory catalog packages
[openSUSE Tumbleweed]
- [libXdmcp6]Unknown
Source package: [libXdmcp]
Details (1)
1.1.5-1.8· x86_64 · tumbleweedUnknown · Fixed:
1.1.3-1.11Version impact unknown
dsa · libXdmcp · opensuse · tumbleweed
- [libXdmcp6-32bit]Unknown
Source package: [libXdmcp]
Details (1)
1.1.5-1.8· x86_64 · tumbleweedUnknown · Fixed:
1.1.3-1.11Version impact unknown
dsa · libXdmcp · opensuse · tumbleweed
- [libXdmcp-devel]Unknown
Source package: [libXdmcp]
Details (1)
1.1.5-1.8· x86_64 · tumbleweedUnknown · Fixed:
1.1.3-1.11Version impact unknown
dsa · libXdmcp · opensuse · tumbleweed
- [libXdmcp-devel-32bit]Unknown
Source package: [libXdmcp]
Details (1)
1.1.5-1.8· x86_64 · tumbleweedUnknown · Fixed:
1.1.3-1.11Version impact unknown
dsa · libXdmcp · opensuse · tumbleweed
[Debian 12 (Bookworm)]
- [libxdmcp6]Fixed
Source package: [libxdmcp]
Details (2)
1:1.1.2-3· amd64 · bookwormFixed · Fixed:
1:1.1.2-2dsa · libxdmcp · debian · bookworm; dsa · libxdmcp · debian · 12
1:1.1.2-3· arm64 · bookwormFixed · Fixed:
1:1.1.2-2dsa · libxdmcp · debian · bookworm; dsa · libxdmcp · debian · 12
- [libxdmcp6-dbg]Fixed
Source package: [libxdmcp]
Details (2)
1:1.1.2-3· amd64 · bookwormFixed · Fixed:
1:1.1.2-2dsa · libxdmcp · debian · bookworm; dsa · libxdmcp · debian · 12
1:1.1.2-3· arm64 · bookwormFixed · Fixed:
1:1.1.2-2dsa · libxdmcp · debian · bookworm; dsa · libxdmcp · debian · 12
- [libxdmcp-dev]Fixed
Source package: [libxdmcp]
Details (2)
1:1.1.2-3· amd64 · bookwormFixed · Fixed:
1:1.1.2-2dsa · libxdmcp · debian · bookworm; dsa · libxdmcp · debian · 12
1:1.1.2-3· arm64 · bookwormFixed · Fixed:
1:1.1.2-2dsa · libxdmcp · debian · bookworm; dsa · libxdmcp · debian · 12
[Debian 13 (Trixie)]
- [libxdmcp6]Fixed
Source package: [libxdmcp]
Details (2)
1:1.1.5-1· amd64 · trixieFixed · Fixed:
1:1.1.2-2dsa · libxdmcp · debian · 13
1:1.1.5-1· arm64 · trixieFixed · Fixed:
1:1.1.2-2dsa · libxdmcp · debian · 13
- [libxdmcp-dev]Fixed
Source package: [libxdmcp]
Details (2)
1:1.1.5-1· amd64 · trixieFixed · Fixed:
1:1.1.2-2dsa · libxdmcp · debian · 13
1:1.1.5-1· arm64 · trixieFixed · Fixed:
1:1.1.2-2dsa · libxdmcp · debian · 13
Observed:
References
- [https://ftp.suse.com/pub/projects/security/csaf/rhsa-2017_1865.json]
- [https://osv.dev/vulnerability/ALPINE-CVE-2017-2625]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2017-2625]
- [https://osv.dev/vulnerability/SUSE-SU-2017:1862-1]
- [https://osv.dev/vulnerability/SUSE-SU-2017:1868-1]
- [https://osv.dev/vulnerability/SUSE-SU-2018:0338-1]
- [https://osv.dev/vulnerability/UBUNTU-CVE-2017-2625]
- [https://osv.dev/vulnerability/USN-5690-1]
- [https://osv.dev/vulnerability/openSUSE-SU-2024:10920-1]
- [https://security-tracker.debian.org/tracker/CVE-2017-2625]
- [https://security.access.redhat.com/data/csaf/v2/vex/2017/cve-2017-2625.json]
[Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]