CVE-2026-109088

EUVD-2026-111114
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.
Infinite Loop
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
suseCNA
6.5 MEDIUM
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources (CNA/ADP records, vendor advisories, Enginsight analysis).
VendorProductVersionSource
xlibxtst
𝑥
< 1.2.6
CNA
Debian logo
Debian Releases
Debian Product
Codename
libxtst
bookworm
vulnerable
forky
vulnerable
sid
2:1.2.6-1
fixed
trixie
no-dsa
Common Weakness Enumeration
References
https://gitlab.freedesktop.org/xorg/lib/libxtst/-/merge_requests/11