CVE catalog
CVE-2023-43785
libx11: CVE-2023-43785
- Severity
- Medium · CVSS 6.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 0.67% · Oct 25, 2026
A vulnerability was found in libX11 due to a boundary condition within the _XkbReadKeySyms() function. This flaw allows a local user to trigger an out-of-bounds read error and read the contents of memory on the system.
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 | libx11 | sid | 2:1.8.14-1 | fixed |
| Debian | libx11 | forky | 2:1.8.13-1 | fixed |
| Debian | libx11 | trixie | 2:1.8.12-1 | fixed |
| Debian | libx11 | bookworm | 2:1.8.4-2+deb12u2 | fixed |
| Debian | libx11 | bookworm-security | 2:1.8.4-2+deb12u2 | fixed |
| Alpine | libx11 | 3.16 | 1.8.7-r0 | fixed |
| Alpine | libx11 | 3.17 | 1.8.7-r0 | fixed |
| Alpine | libx11 | 3.18 | 1.8.7-r0 | fixed |
| Alpine | libx11 | 3.19 | 1.8.7-r0 | fixed |
| Alpine | libx11 | 3.20 | 1.8.7-r0 | fixed |
| Alpine | libx11 | 3.21 | 1.8.7-r0 | fixed |
| Alpine | libx11 | 3.22 | 1.8.7-r0 | fixed |
| Alpine | libx11 | 3.23 | 1.8.7-r0 | fixed |
| Alpine | libx11 | 3.24 | 1.8.7-r0 | fixed |
| Ubuntu | libx11 | pro | 2:1.6.4-3 | vulnerable |
| Ubuntu | libx11 | pro | 2:1.6.4-3ubuntu0.1 | vulnerable |
| Ubuntu | libx11 | pro | 2:1.6.4-3ubuntu0.2 | vulnerable |
| Ubuntu | libx11 | pro | 2:1.6.4-3ubuntu0.3 | vulnerable |
| Ubuntu | libx11 | pro | 2:1.6.4-3ubuntu0.4 | vulnerable |
| Ubuntu | libx11 | pro | 2:1.6.4-3ubuntu0.4+esm1 | vulnerable |
| Ubuntu | libx11 | pro | 2:1.6.4-3ubuntu0.4+esm2 | fixed |
| Ubuntu | libx11 | 20.04 | 2:1.6.8-1 | vulnerable |
| Ubuntu | libx11 | 20.04 | 2:1.6.9-2 | vulnerable |
| Ubuntu | libx11 | 20.04 | 2:1.6.9-2ubuntu1 | vulnerable |
| Ubuntu | libx11 | 20.04 | 2:1.6.9-2ubuntu1.1 | vulnerable |
| Ubuntu | libx11 | 20.04 | 2:1.6.9-2ubuntu1.2 | vulnerable |
| Ubuntu | libx11 | 20.04 | 2:1.6.9-2ubuntu1.5 | vulnerable |
| Ubuntu | libx11 | 20.04 | 2:1.6.9-2ubuntu1.6 | fixed |
| Ubuntu | libx11 | 22.04 | 2:1.7.2-1 | vulnerable |
| Ubuntu | libx11 | 22.04 | 2:1.7.2-2 | vulnerable |
| Ubuntu | libx11 | 22.04 | 2:1.7.2-2build1 | vulnerable |
| Ubuntu | libx11 | 22.04 | 2:1.7.5-1 | vulnerable |
| Ubuntu | libx11 | 22.04 | 2:1.7.5-1ubuntu0.2 | vulnerable |
| Ubuntu | libx11 | 22.04 | 2:1.7.5-1ubuntu0.3 | fixed |
| Ubuntu | libx11 | pro | 2:1.6.4-3 | vulnerable |
| Ubuntu | libx11 | pro | 2:1.6.4-3ubuntu0.1 | vulnerable |
| Ubuntu | libx11 | pro | 2:1.6.4-3ubuntu0.2 | vulnerable |
| Ubuntu | libx11 | pro | 2:1.6.4-3ubuntu0.3 | vulnerable |
| Ubuntu | libx11 | pro | 2:1.6.4-3ubuntu0.4 | vulnerable |
| Ubuntu | libx11 | pro | 2:1.6.4-3ubuntu0.4+esm1 | vulnerable |
| Ubuntu | libx11 | pro | 2:1.6.4-3ubuntu0.4+esm2 | fixed |
| Ubuntu | libx11 | 20.04 | 2:1.6.8-1 | vulnerable |
| Ubuntu | libx11 | 20.04 | 2:1.6.9-2 | vulnerable |
| Ubuntu | libx11 | 20.04 | 2:1.6.9-2ubuntu1 | vulnerable |
| Ubuntu | libx11 | 20.04 | 2:1.6.9-2ubuntu1.1 | vulnerable |
| Ubuntu | libx11 | 20.04 | 2:1.6.9-2ubuntu1.2 | vulnerable |
| Ubuntu | libx11 | 20.04 | 2:1.6.9-2ubuntu1.5 | vulnerable |
| Ubuntu | libx11 | 20.04 | 2:1.6.9-2ubuntu1.6 | fixed |
| Ubuntu | libx11 | 22.04 | 2:1.7.2-1 | vulnerable |
| Ubuntu | libx11 | 22.04 | 2:1.7.2-2 | vulnerable |
| Ubuntu | libx11 | 22.04 | 2:1.7.2-2build1 | vulnerable |
| Ubuntu | libx11 | 22.04 | 2:1.7.5-1 | vulnerable |
| Ubuntu | libx11 | 22.04 | 2:1.7.5-1ubuntu0.2 | vulnerable |
| Ubuntu | libx11 | 22.04 | 2:1.7.5-1ubuntu0.3 | fixed |
| Suse | libX11 | linux enterprise software development kit 12 sp5 | 1.6.2-12.33.1 | fixed |
| Suse | libX11 | linux enterprise server 12 sp5 | 1.6.2-12.33.1 | fixed |
| Suse | libX11 | linux enterprise server for sap applications 12 sp5 | 1.6.2-12.33.1 | fixed |
| Suse | libX11 | linux enterprise micro 5.3 | 1.6.5-150000.3.33.1 | fixed |
| Suse | libX11 | linux enterprise micro 5.4 | 1.6.5-150000.3.33.1 | fixed |
| Suse | libX11 | linux enterprise micro 5.5 | 1.6.5-150000.3.33.1 | fixed |
| Suse | libX11 | linux enterprise module for basesystem 15 sp4 | 1.6.5-150000.3.33.1 | fixed |
| Suse | libX11 | linux enterprise module for basesystem 15 sp5 | 1.6.5-150000.3.33.1 | fixed |
| Suse | libX11 | manager proxy 4.2 | 1.6.5-150000.3.33.1 | fixed |
| Suse | libX11 | manager server 4.2 | 1.6.5-150000.3.33.1 | fixed |
| Suse | libX11 | linux enterprise micro 5.2 | 1.6.5-150000.3.33.1 | fixed |
| Opensuse | libX11 | leap 15.4 | 1.6.5-150000.3.33.1 | fixed |
| Opensuse | libX11 | leap 15.5 | 1.6.5-150000.3.33.1 | fixed |
| Suse | libX11 | linux enterprise micro 5.5 | 1.6.5-150000.3.33.1 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | libx11 | source | sid | 2:1.8.7-1 | not yet assigned | Not reported | Not reported |
| Debian | libx11 | source | forky | 2:1.8.7-1 | not yet assigned | Not reported | Not reported |
| Debian | libx11 | source | trixie | 2:1.8.7-1 | not yet assigned | Not reported | Not reported |
| Debian | libx11 | source | bookworm | 2:1.8.4-2+deb12u2 | not yet assigned | Not reported | Not reported |
| Alpine | libx11 | apk | 3.16 | 1.8.7-r0 | Not reported | ALPINE-CVE-2023-43785 | Not reported |
| Alpine | libx11 | apk | 3.17 | 1.8.7-r0 | Not reported | ALPINE-CVE-2023-43785 | Not reported |
| Alpine | libx11 | apk | 3.18 | 1.8.7-r0 | Not reported | ALPINE-CVE-2023-43785 | Not reported |
| Alpine | libx11 | apk | 3.19 | 1.8.7-r0 | Not reported | ALPINE-CVE-2023-43785 | Not reported |
| Alpine | libx11 | apk | 3.20 | 1.8.7-r0 | Not reported | ALPINE-CVE-2023-43785 | Not reported |
| Alpine | libx11 | apk | 3.21 | 1.8.7-r0 | Not reported | ALPINE-CVE-2023-43785 | Not reported |
| Alpine | libx11 | apk | 3.22 | 1.8.7-r0 | Not reported | ALPINE-CVE-2023-43785 | Not reported |
| Alpine | libx11 | apk | 3.23 | 1.8.7-r0 | Not reported | ALPINE-CVE-2023-43785 | Not reported |
| Alpine | libx11 | apk | 3.24 | 1.8.7-r0 | Not reported | ALPINE-CVE-2023-43785 | Not reported |
| Ubuntu | libx11 | deb | pro | 2:1.6.4-3ubuntu0.4+esm2 | Not reported | USN-6407-2 | Not reported |
| Ubuntu | libx11 | deb | 20.04 | 2:1.6.9-2ubuntu1.6 | Not reported | USN-6407-1 | Not reported |
| Ubuntu | libx11 | deb | 22.04 | 2:1.7.5-1ubuntu0.3 | Not reported | USN-6407-1 | Not reported |
| Ubuntu | libx11 | deb | pro | 2:1.6.4-3ubuntu0.4+esm2 | Not reported | UBUNTU-CVE-2023-43785 | Not reported |
| Ubuntu | libx11 | deb | 20.04 | 2:1.6.9-2ubuntu1.6 | Not reported | UBUNTU-CVE-2023-43785 | Not reported |
| Ubuntu | libx11 | deb | 22.04 | 2:1.7.5-1ubuntu0.3 | Not reported | UBUNTU-CVE-2023-43785 | Not reported |
| Suse | libX11 | rpm | linux enterprise software development kit 12 sp5 | 1.6.2-12.33.1 | Not reported | SUSE-SU-2023:3989-1 | Not reported |
| Suse | libX11 | rpm | linux enterprise server 12 sp5 | 1.6.2-12.33.1 | Not reported | SUSE-SU-2023:3989-1 | Not reported |
| Suse | libX11 | rpm | linux enterprise server for sap applications 12 sp5 | 1.6.2-12.33.1 | Not reported | SUSE-SU-2023:3989-1 | Not reported |
| Suse | libX11 | rpm | linux enterprise micro 5.3 | 1.6.5-150000.3.33.1 | Not reported | SUSE-SU-2023:3963-1 | Not reported |
| Suse | libX11 | rpm | linux enterprise micro 5.4 | 1.6.5-150000.3.33.1 | Not reported | SUSE-SU-2023:3963-1 | Not reported |
| Suse | libX11 | rpm | linux enterprise micro 5.5 | 1.6.5-150000.3.33.1 | Not reported | SUSE-SU-2023:3963-1 | Not reported |
| Suse | libX11 | rpm | linux enterprise module for basesystem 15 sp4 | 1.6.5-150000.3.33.1 | Not reported | SUSE-SU-2023:3963-1 | Not reported |
| Suse | libX11 | rpm | linux enterprise module for basesystem 15 sp5 | 1.6.5-150000.3.33.1 | Not reported | SUSE-SU-2023:3963-1 | Not reported |
| Suse | libX11 | rpm | manager proxy 4.2 | 1.6.5-150000.3.33.1 | Not reported | SUSE-SU-2023:3963-1 | Not reported |
| Suse | libX11 | rpm | manager server 4.2 | 1.6.5-150000.3.33.1 | Not reported | SUSE-SU-2023:3963-1 | Not reported |
| Suse | libX11 | rpm | linux enterprise micro 5.2 | 1.6.5-150000.3.33.1 | Not reported | SUSE-SU-2023:3963-1 | Not reported |
| Opensuse | libX11 | rpm | leap 15.4 | 1.6.5-150000.3.33.1 | Not reported | SUSE-SU-2023:3963-1 | Not reported |
| Opensuse | libX11 | rpm | leap 15.5 | 1.6.5-150000.3.33.1 | Not reported | SUSE-SU-2023:3963-1 | Not reported |
| Suse | libX11 | rpm | linux enterprise micro 5.5 | 1.6.5-150000.3.33.1 | Not reported | SUSE-SU-2024:2453-1 | Not reported |
OpenFactory catalog packages
Matching against OpenFactory catalog package versions is in progress.
References
- [https://access.redhat.com/errata/RHSA-2024:2145]
- [https://ftp.suse.com/pub/projects/security/csaf/rhsa-2024_2973.json]
- [https://osv.dev/vulnerability/ALPINE-CVE-2023-43785]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2023-43785]
- [https://osv.dev/vulnerability/DLA-3602-1]
- [https://osv.dev/vulnerability/DSA-5517-1]
- [https://osv.dev/vulnerability/SUSE-SU-2023:3963-1]
- [https://osv.dev/vulnerability/SUSE-SU-2023:3989-1]
- [https://osv.dev/vulnerability/SUSE-SU-2024:2453-1]
- [https://osv.dev/vulnerability/UBUNTU-CVE-2023-43785]
- [https://osv.dev/vulnerability/USN-6407-1]
- [https://osv.dev/vulnerability/USN-6407-2]
- [https://security-tracker.debian.org/tracker/CVE-2023-43785]
- [https://wid.cert-bund.de/.well-known/csaf/white/2024/wid-sec-w-2024-1226.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]