CVE-2026-93517

ADVISORY - nist

Summary

A heap buffer overflow in handling GLX RenderLarge request where dataBytes exceeds cmdlen in X.org X server before 21.1.25 and XWayland before 24.1.14 that could be be triggered by an authenticated X client could cause crashes or code execution in X server context.

EPSS Score⁠: 0.00193 (0.090)

Common Weakness Enumeration (CWE)

ADVISORY - nist

CWE-122⁠

Heap-based Buffer Overflow

ADVISORY - redhat

CWE-120⁠

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

Impacted images

Advisories

NIST

CREATED

3 days ago

UPDATED

3 days ago

ADVISORY IDCVE-2026-93517⁠

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)

CWE-122⁠

CVSS SCORE

8.5high

Alpine

CREATED

24 days ago

UPDATED

23 days ago

ADVISORY IDCVE-2026-93517⁠

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY

Debian

CREATED

24 days ago

UPDATED

2 days ago

ADVISORY IDCVE-2026-93517⁠

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

CVSS SCORE

N/Alow

Ubuntu

CREATED

24 days ago

UPDATED

24 days ago

ADVISORY IDCVE-2026-93517⁠

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

CVSS SCORE

N/Amedium

Alma

CREATED

12 days ago

UPDATED

11 days ago

ADVISORY IDALSA-2026:84574⁠

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

CVSS SCORE

N/Ahigh

Alma

CREATED

12 days ago

UPDATED

11 days ago

ADVISORY IDALSA-2026:85193⁠

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

CVSS SCORE

N/Ahigh

Alma

CREATED

10 days ago

UPDATED

10 days ago

ADVISORY IDALSA-2026:86907⁠

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

CVSS SCORE

N/Ahigh

Alma

CREATED

5 days ago

UPDATED

5 days ago

ADVISORY IDALSA-2026:89747⁠

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

CVSS SCORE

N/Ahigh

Amazon

CREATED

5 days ago

UPDATED

5 days ago

ADVISORY IDALAS2-2026-4013⁠

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

CVSS SCORE

N/Ahigh

Amazon

CREATED

5 days ago

UPDATED

5 days ago

ADVISORY IDALAS2-2026-4014⁠

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

CVSS SCORE

N/Ahigh

Amazon

CREATED

5 days ago

UPDATED

5 days ago

ADVISORY IDALAS2023-2026-3260⁠

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

CVSS SCORE

N/Ahigh

Amazon

CREATED

5 days ago

UPDATED

5 days ago

ADVISORY IDALAS2023-2026-3261⁠

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

CVSS SCORE

N/Ahigh

Amazon

CREATED

5 days ago

UPDATED

5 days ago

ADVISORY IDALAS2023-2026-3262⁠

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

CVSS SCORE

N/Ahigh

Red Hat

CREATED

24 days ago

UPDATED

23 days ago

ADVISORY IDCVE-2026-93517⁠

EXPLOITABILITY SCORE

1.8

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)

CWE-120⁠

CVSS SCORE

7.8medium

Rocky

CREATED

11 days ago

UPDATED

11 days ago

ADVISORY IDRLSA-2026:84574⁠

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

CVSS SCORE

N/Ahigh

Rocky

CREATED

11 days ago

UPDATED

11 days ago

ADVISORY IDRLSA-2026:85191⁠

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

CVSS SCORE

N/Ahigh

Rocky

CREATED

11 days ago

UPDATED

11 days ago

ADVISORY IDRLSA-2026:85193⁠

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

CVSS SCORE

N/Ahigh

Rocky

CREATED

9 days ago

UPDATED

9 days ago

ADVISORY IDRLSA-2026:86907⁠

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

CVSS SCORE

N/Ahigh

Rocky

CREATED

4 days ago

UPDATED

3 days ago

ADVISORY IDRLSA-2026:89747⁠

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

CVSS SCORE

N/Ahigh

Oracle

CREATED

12 days ago

UPDATED

12 days ago

ADVISORY IDELSA-2026-84574⁠

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

CVSS SCORE

N/Ahigh

Oracle

CREATED

12 days ago

UPDATED

12 days ago

ADVISORY IDELSA-2026-85191⁠

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

CVSS SCORE

N/Ahigh

Oracle

CREATED

12 days ago

UPDATED

12 days ago

ADVISORY IDELSA-2026-85193⁠

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

CVSS SCORE

N/Ahigh

Oracle

CREATED

10 days ago

UPDATED

10 days ago

ADVISORY IDELSA-2026-86907⁠

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

CVSS SCORE

N/Ahigh

Oracle

CREATED

5 days ago

UPDATED

5 days ago

ADVISORY IDELSA-2026-89747⁠

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

CVSS SCORE

N/Ahigh