CVE catalog
CVE-2023-43786
libx11: CVE-2023-43786
- Severity
- Medium · CVSS 5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 0.47% · Oct 25, 2026
A vulnerability was found in libX11 due to an infinite loop within the PutSubImage() function. This flaw allows a local user to consume all available system resources and cause a denial of service condition.
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 | libxpm | pro | 1:3.5.12-1 | vulnerable |
| Ubuntu | libxpm | pro | 1:3.5.12-1ubuntu0.18.04.2 | vulnerable |
| Ubuntu | libxpm | pro | 1:3.5.12-1ubuntu0.18.04.2+esm1 | fixed |
| Ubuntu | libxpm | 20.04 | 1:3.5.12-1 | vulnerable |
| Ubuntu | libxpm | 20.04 | 1:3.5.12-1ubuntu0.20.04.1 | vulnerable |
| Ubuntu | libxpm | 20.04 | 1:3.5.12-1ubuntu0.20.04.2 | fixed |
| Ubuntu | libxpm | 22.04 | 1:3.5.12-1 | vulnerable |
| Ubuntu | libxpm | 22.04 | 1:3.5.12-1build1 | vulnerable |
| Ubuntu | libxpm | 22.04 | 1:3.5.12-1build2 | vulnerable |
| Ubuntu | libxpm | 22.04 | 1:3.5.12-1ubuntu0.22.04.1 | vulnerable |
| Ubuntu | libxpm | 22.04 | 1:3.5.12-1ubuntu0.22.04.2 | 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-2023-43786 | Not reported |
| Alpine | libx11 | apk | 3.17 | 1.8.7-r0 | Not reported | ALPINE-CVE-2023-43786 | Not reported |
| Alpine | libx11 | apk | 3.18 | 1.8.7-r0 | Not reported | ALPINE-CVE-2023-43786 | Not reported |
| Alpine | libx11 | apk | 3.19 | 1.8.7-r0 | Not reported | ALPINE-CVE-2023-43786 | Not reported |
| Alpine | libx11 | apk | 3.20 | 1.8.7-r0 | Not reported | ALPINE-CVE-2023-43786 | Not reported |
| Alpine | libx11 | apk | 3.21 | 1.8.7-r0 | Not reported | ALPINE-CVE-2023-43786 | Not reported |
| Alpine | libx11 | apk | 3.22 | 1.8.7-r0 | Not reported | ALPINE-CVE-2023-43786 | Not reported |
| Alpine | libx11 | apk | 3.23 | 1.8.7-r0 | Not reported | ALPINE-CVE-2023-43786 | Not reported |
| Alpine | libx11 | apk | 3.24 | 1.8.7-r0 | Not reported | ALPINE-CVE-2023-43786 | Not reported |
| Ubuntu | libxpm | deb | pro | 1:3.5.12-1ubuntu0.18.04.2+esm1 | Not reported | USN-6408-2 | Not reported |
| Ubuntu | libxpm | deb | 20.04 | 1:3.5.12-1ubuntu0.20.04.2 | Not reported | USN-6408-1 | Not reported |
| Ubuntu | libxpm | deb | 22.04 | 1:3.5.12-1ubuntu0.22.04.2 | Not reported | USN-6408-1 | 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-2023-43786]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2023-43786]
- [https://osv.dev/vulnerability/USN-6408-1]
- [https://osv.dev/vulnerability/USN-6408-2]
- [https://security-tracker.debian.org/tracker/CVE-2023-43786]
- [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]