High
Out-of-bounds read in libXtst's RECORD reply parser
An out-of-bounds read in libXtst's RECORD reply parser in libXtst before 1.2.6 could be used by malicious X servers to crash attached X clients.
Announced Source revision 1
Original source ↗CVE-2026-94286
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: cve:CVE-2026-94286
libXtst
Source reference: /containers/cna/affected/0/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"repo": "https://gitlab.freedesktop.org/xorg/lib/libxtst",
"vendor": "x.org",
"product": "libXtst",
"versions": [
{
"status": "affected",
"version": "0",
"lessThan": "1.2.6",
"versionType": "rpm"
}
],
"packageName": "libXtst",
"defaultStatus": "unaffected"
}
]- Related CVEs
- CVE-2026-94286
Source reference:
/cveMetadata/cveId
Publisher severity
high
Source reference: /containers/cna/metrics
- Event
- #4204 · Revision 1
- Added to Heist Feed
- Publisher date