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CVE-2026-93515

ADVISORY - nist

Summary

A use-after-free in present_clear_window_notifies() in the X.org X Server before 21.1.25 and X Wayland before 24.1.14 could be used by malicious X clients to crash or potentially execute code in the X server context.

EPSS Score⁠: 0.00194 (0.091)

Common Weakness Enumeration (CWE)

ADVISORY - nist

CWE-416⁠

Use After Free

ADVISORY - redhat

CWE-825⁠

Expired Pointer Dereference

Impacted images

Advisories

NIST

CREATED

UPDATED

ADVISORY IDCVE-2026-93515⁠
EXPLOITABILITY SCORE

-

EXPLOITS FOUND
-
COMMON WEAKNESS ENUMERATION (CWE)
CWE-416⁠

CVSS SCORE

6.8medium

Alpine

CREATED

UPDATED

ADVISORY IDCVE-2026-93515⁠
EXPLOITABILITY SCORE

-

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

Debian

CREATED

UPDATED

ADVISORY IDCVE-2026-93515⁠
EXPLOITABILITY SCORE

-

EXPLOITS FOUND
-
COMMON WEAKNESS ENUMERATION (CWE)-

CVSS SCORE

N/Alow

Ubuntu

CREATED

UPDATED

ADVISORY IDCVE-2026-93515⁠
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-2026-93515⁠
EXPLOITABILITY SCORE

1.8

EXPLOITS FOUND
-
COMMON WEAKNESS ENUMERATION (CWE)
CWE-825⁠

CVSS SCORE

6.1medium