Medium
Out-of-bounds read in libXi's XI2 class parsing via size_classes() and copy_classes()
An out-of-bounds read in libXi's XI2 class parsing via size_classes() and copy_classes() in libXi before 1.8.4 could be used by malicous servers to crash the X client.
Announced Source revision 1
Original source ↗CVE-2026-93542
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-2026-93542
libXi
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/libxi",
"vendor": "x.org",
"product": "libXi",
"versions": [
{
"status": "affected",
"version": "0",
"lessThan": "1.8.4",
"versionType": "rpm"
}
],
"packageName": "libXi",
"defaultStatus": "unaffected"
}
]- Related CVEs
- CVE-2026-93542
Source reference:
/cveMetadata/cveId
Publisher severity
medium
Source reference: /containers/cna/metrics
- Event
- #1819 · Revision 1
- Added to Heist Feed
- Publisher date