Vulnerability · Published Sep 28, 2026 · Assigned by suse
CVE-2026-94282Out-of-bounds read in libXi's XI2 enter/leave/focus cookie conversion
Medium 5.6
In plain English
A medium-severity out-of-bounds read in libXi from x.org. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 2% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)5.6Medium
Exploit odds (30 days)0.1%top 97.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
An out-of-bounds read in libXi's XI2 enter/leave/focus cookie conversion in libXi before 1.8.4 could be used by malicious X server to crash an attached X client.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine:v3.24 | libxi | 1.8.4-r0 | ALPINE-CVE-2026-94282 |
| Debian:12 | libxi | no fix listed | DEBIAN-CVE-2026-94282 |
| Debian:13 | libxi | no fix listed | DEBIAN-CVE-2026-94282 |
| Debian:14 | libxi | 2:1.8.4-1 | DEBIAN-CVE-2026-94282 |
| Ubuntu:22.04:LTS | libxi | no fix listed | UBUNTU-CVE-2026-94282 |
| Ubuntu:24.04:LTS | libxi | no fix listed | UBUNTU-CVE-2026-94282 |
| Ubuntu:26.04:LTS | libxi | no fix listed | UBUNTU-CVE-2026-94282 |
| Ubuntu:26.10 | libxi | no fix listed | UBUNTU-CVE-2026-94282 |
Affected products (as reported)
Weakness: CWE-125 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:H