Description
A malicious X server could cause a heap overflow by injecting a large DEVICE_ENABLE reply when processed by libXi before 1.8.4.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| x.org | libXi | < 1.8.4 | 1.8.4 |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | libxi | 2:1.8.4-1 | — |
| Debian 13 | libxi | No fix yet | — |
| Debian 12 | libxi | No fix yet | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.10 | libxi | No fix yet | — |
| Ubuntu 26.04 LTS | libxi | No fix yet | — |
| Ubuntu 24.04 LTS | libxi | No fix yet | — |
| Ubuntu 22.04 LTS | libxi | No fix yet | — |
| Ubuntu 20.04 LTS | libxi | No fix yet | — |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 18.04 LTS | libxi | No fix yet | — |
| Ubuntu Pro 16.04 LTS | libxi | No fix yet | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 10 | libXi +1 | 1.8.1-7.el10_2.3 | RHSA-2026:98611, RHSA-2026:93441 |
| RHEL 9 | libXi +1 | 1.7.10-8.el9_8.3 | RHSA-2026:98504, RHSA-2026:93439 |
| RHEL 8 | libXi +1 | 1.7.10-4.el8_10 | RHSA-2026:93438 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Red Hat Hardened Images 1 | libXi +1 | 1.8.4-1.hum1 | RHSA-2026:86772 |
AlmaLinux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux 10 | libXi +1 | 1.8.1-7.el10_2.3 | ALSA-2026:93441 |
| AlmaLinux 9 | libXi +1 | 1.7.10-8.el9_8.3 | ALSA-2026:93439 |
| AlmaLinux 8 | libXi +1 | 1.7.10-4.el8_10 | ALSA-2026:93438 |
Rocky Linux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Rocky Linux 10 | libXi +1 | 1.8.1-7.el10_2.3 | RLSA-2026:98611, RLSA-2026:93441 |
| Rocky Linux 9 | libXi | 1.7.10-8.el9_8.3 | RLSA-2026:98504, RLSA-2026:93439 |
| Rocky Linux 8 | libXi | 1.7.10-4.el8_10 | RLSA-2026:93438 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP7 | libXi | 1.7.9-150000.3.7.1 | SUSE-SU-2026:5165-1 |
| SLES 15 SP6 | libXi | 1.7.9-150000.3.7.1 | SUSE-SU-2026:5165-1 |
| SLES 15 SP5 | libXi | 1.7.9-150000.3.7.1 | SUSE-SU-2026:5165-1 |
| SLES 15 SP4 | libXi | 1.7.9-150000.3.7.1 | SUSE-SU-2026:5165-1 |
| SLES 12 SP5 | libXi | 1.7.4-18.11.1 | SUSE-SU-2026:5166-1 |
Show 9 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 15 SP6 | libXi | 1.7.9-150000.3.7.1 | SUSE-SU-2026:5165-1 |
| SLES for SAP 15 SP5 | libXi | 1.7.9-150000.3.7.1 | SUSE-SU-2026:5165-1 |
| SLES for SAP 15 SP4 | libXi | 1.7.9-150000.3.7.1 | SUSE-SU-2026:5165-1 |
| SLE Micro 6.0 | libXi | 1.8.1-159998.1.1 | SUSE-SU-2026:24366-1 |
| SLE Micro 5.5 | libXi | 1.7.9-150000.3.7.1 | SUSE-SU-2026:5165-1 |
| SLE Micro 5.4 | libXi | 1.7.9-150000.3.7.1 | SUSE-SU-2026:5165-1 |
| SLE Micro 5.3 | libXi | 1.7.9-150000.3.7.1 | SUSE-SU-2026:5165-1 |
| SLE HPC 15 SP5 | libXi | 1.7.9-150000.3.7.1 | SUSE-SU-2026:5165-1 |
| SLE HPC 15 SP4 | libXi | 1.7.9-150000.3.7.1 | SUSE-SU-2026:5165-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | libXi | 1.8.3-3.1 | openSUSE-SU-2026:12154-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | libxi | 1.8.4-r0 | — |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2023 | libXi +1 | 1.8.4-1.amzn2023.0.1 | ALAS2023-2026-3394 |
| Amazon Linux 2 | libXi +1 | 1.7.9-1.amzn2.0.3 | ALAS2-2026-4088 |
Azure Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Azure Linux 3 | libXi | 1.8.4-1 | — |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 10 | libXi +1 | 1.8.1-7.el10_2.3 | ELSA-2026-93441 |
| Oracle Linux 9 | libXi +1 | 1.7.10-8.el9_8.3 | ELSA-2026-93439 |
| Oracle Linux 8 | libXi +1 | 1.7.10-4.el8_10 | ELSA-2026-93438 |
Advisories 24
- RHSA-2026:98504 Red Hat Security Advisory: libXi security update Red Hat Security Advisories (RHSA) · Nov 13, 2026
- RHSA-2026:98611 Red Hat Security Advisory: libXi security update Red Hat Security Advisories (RHSA) · Nov 13, 2026
- RHSA-2026:93439 Red Hat Security Advisory: libXi security update Red Hat Security Advisories (RHSA) · Nov 13, 2026
- RHSA-2026:93438 Red Hat Security Advisory: libXi security update Red Hat Security Advisories (RHSA) · Nov 13, 2026
- RHSA-2026:93441 Red Hat Security Advisory: libXi security update Red Hat Security Advisories (RHSA) · Nov 13, 2026
- RHSA-2026:86772 Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update Red Hat Security Advisories (RHSA) · Nov 13, 2026
- RLSA-2026:98611 Important: libXi security update Rocky Linux Security Advisories · Nov 13, 2026
- WID-SEC-2026-4292 Red Hat Enterprise Linux (libXi, ghostscript): Mehrere Schwachstellen BSI CERT-Bund (WID) · Nov 12, 2026
- RLSA-2026:98504 Important: libXi security update Rocky Linux Security Advisories · Nov 12, 2026
- SUSE-SU-2026:5166-1 Security update for libXi SUSE / openSUSE Security Updates · Nov 11, 2026
- SUSE-SU-2026:5165-1 Security update for libXi SUSE / openSUSE Security Updates · Nov 10, 2026
- ALAS2023-2026-3394 Important: libXi security update (Amazon Linux 2023) Amazon Linux Security Center (ALAS) · Nov 9, 2026
- ALAS2-2026-4088 Important: libXi security update (Amazon Linux 2) Amazon Linux Security Center (ALAS) · Nov 9, 2026
- RLSA-2026:93441 Important: libXi security update Rocky Linux Security Advisories · Nov 3, 2026
- RLSA-2026:93438 Important: libXi security update Rocky Linux Security Advisories · Nov 3, 2026
- RLSA-2026:93439 Important: libXi security update Rocky Linux Security Advisories · Nov 3, 2026
- ALSA-2026:93439 Important: libXi security update AlmaLinux Security Advisories · Nov 3, 2026
- ALSA-2026:93441 Important: libXi security update AlmaLinux Security Advisories · Nov 2, 2026
- ALSA-2026:93438 Important: libXi security update AlmaLinux Security Advisories · Nov 2, 2026
- ELSA-2026-93439 Important: libXi security update (Oracle Linux 9) Oracle Linux Security Advisories (ELSA) · Nov 2, 2026
- ELSA-2026-93438 Important: libXi security update (Oracle Linux 8) Oracle Linux Security Advisories (ELSA) · Nov 2, 2026
- ELSA-2026-93441 Important: libXi security update (Oracle Linux 10) Oracle Linux Security Advisories (ELSA) · Nov 2, 2026
- SUSE-SU-2026:24366-1 Security update for libXi SUSE / openSUSE Security Updates · Oct 27, 2026
- openSUSE-SU-2026:12154-1 libXi-devel-1.8.3-3.1 on GA media SUSE / openSUSE Security Updates · Oct 17, 2026