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CVE-2026-93524

ADVISORY - nist

Summary

A buffer overread in CheckKeySyms() in X.Org X Server before 21.1.25 and XWayland before 24.1.14 could be used by authenticated X clients to leak small amounts of information from X server memory or potentially crash the X server.

EPSS Score⁠: 0.00177 (0.072)

Common Weakness Enumeration (CWE)

ADVISORY - nist

CWE-126⁠

Buffer Over-read

ADVISORY - redhat

CWE-125⁠

Out-of-bounds Read

Impacted images

Advisories

NIST

CREATED

UPDATED

ADVISORY IDCVE-2026-93524⁠
EXPLOITABILITY SCORE

-

EXPLOITS FOUND
-
COMMON WEAKNESS ENUMERATION (CWE)
CWE-126⁠

CVSS SCORE

6.9medium

Alpine

CREATED

UPDATED

ADVISORY IDCVE-2026-93524⁠
EXPLOITABILITY SCORE

-

EXPLOITS FOUND
-
COMMON WEAKNESS ENUMERATION (CWE)-
RATING UNAVAILABLE FROM ADVISORY

Debian

CREATED

UPDATED

ADVISORY IDCVE-2026-93524⁠
EXPLOITABILITY SCORE

-

EXPLOITS FOUND
-
COMMON WEAKNESS ENUMERATION (CWE)-

CVSS SCORE

N/Alow

Ubuntu

CREATED

UPDATED

ADVISORY IDCVE-2026-93524⁠
EXPLOITABILITY SCORE

-

EXPLOITS FOUND
-
COMMON WEAKNESS ENUMERATION (CWE)-

CVSS SCORE

N/Amedium

Amazon

CREATED

UPDATED

ADVISORY IDALAS2-2026-4013⁠
EXPLOITABILITY SCORE

-

EXPLOITS FOUND
-
COMMON WEAKNESS ENUMERATION (CWE)-

CVSS SCORE

N/Ahigh

Amazon

CREATED

UPDATED

ADVISORY IDALAS2-2026-4014⁠
EXPLOITABILITY SCORE

-

EXPLOITS FOUND
-
COMMON WEAKNESS ENUMERATION (CWE)-

CVSS SCORE

N/Ahigh

Amazon

CREATED

UPDATED

ADVISORY IDALAS2023-2026-3260⁠
EXPLOITABILITY SCORE

-

EXPLOITS FOUND
-
COMMON WEAKNESS ENUMERATION (CWE)-

CVSS SCORE

N/Ahigh

Amazon

CREATED

UPDATED

ADVISORY IDALAS2023-2026-3261⁠
EXPLOITABILITY SCORE

-

EXPLOITS FOUND
-
COMMON WEAKNESS ENUMERATION (CWE)-

CVSS SCORE

N/Ahigh

Amazon

CREATED

UPDATED

ADVISORY IDALAS2023-2026-3262⁠
EXPLOITABILITY SCORE

-

EXPLOITS FOUND
-
COMMON WEAKNESS ENUMERATION (CWE)-

CVSS SCORE

N/Ahigh

Red Hat

CREATED

UPDATED

ADVISORY IDCVE-2026-93524⁠
EXPLOITABILITY SCORE

1.8

EXPLOITS FOUND
-
COMMON WEAKNESS ENUMERATION (CWE)
CWE-125⁠

CVSS SCORE

3.3low