CVE-2026-109088: libXtst RECORD EnableContext Reply Endless Loop
X.org · libXtst
Fixed in 1.2.6 · Affected: X.org libXtst before 1.2.6 · Exploitation: unlikely (under 1%)
Not in CyberSIXT coverage yet: no article names this CVE. This page shows the public record.
Higher than 19% of scored CVEs
DescriptionCVE.org
A malicious X server could send malformed RECORD EnableContext reolies that can cause a X client using the parse_reply_call_callback function in libXtst before 1.2.6 to enter a endless loop.
Affected products1
From the CVE record. A product or version that is not listed is unknown, not unaffected.
- X.org · libXtstbefore 1.2.6
On the Atlas
Every published CVE is on the CyberSIXT Atlas, grouped by weakness, vendor and month.
- Exploitation
- Unlikely (under 1%). EPSS under 1%, or no score yet.
- CISA KEV
- Not listed
- Public check
- No public nuclei template
- Vendor
- X.org
- Published
- October 2026
CoverageNo articles yet
No CyberSIXT article names CVE-2026-109088 yet, so there is no coverage timeline, action brief or change log for it. Everything on this page comes from the public CVE record, CISA KEV, EPSS and the nuclei template index. Search the archive or see the CVEs in the news.