Answer in brief
CVE-2026-94286 records a High severity (CVSS 7.1) vulnerability in Out-of-bounds read in libXtst's RECORD reply parser. The current sources do not mark it as known exploited. The current feed maps x.org/libXtst (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 7.1. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps x.org/libXtst (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| x.org/libXtstgeneric | >=0 <1.2.6 | 1.2.6 |
Published upstream
Sep 28, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Sep 28, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Sep 28, 2026
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.
Quoted source text, attributed separately from HOL analysis.