CVE-2025-26596
Published: Feb 25, 2025
Modified: Apr 6, 2026
CVSS v3.1
7.8
Description
A heap overflow flaw was found in X.Org and Xwayland. The computation of the length in XkbSizeKeySyms() differs from what is written in XkbWriteKeySyms(), which may lead to a heap-based buffer overflow.
| Vendor | Product | Versions |
|---|---|---|
Unknown | xserver | affected 0 - < 21.1.16affected 22.0.0 - < 24.1.6 |
Red Hat | Red Hat Enterprise Linux 10 | unaffected 0:24.1.5-3.el10_0 - < * |
Red Hat | Red Hat Enterprise Linux 6 Extended Lifecycle Support - EXTENSION | unaffected 0:1.1.0-25.el6_10 - < * |
Red Hat | Red Hat Enterprise Linux 7 Extended Lifecycle Support | unaffected 0:1.8.0-36.el7_9 - < * |
Red Hat | Red Hat Enterprise Linux 7 Extended Lifecycle Support | unaffected 0:1.20.4-30.el7_9 - < * |
Red Hat | Red Hat Enterprise Linux 8 | unaffected 0:1.13.1-15.el8_10 - < * |
Red Hat | Red Hat Enterprise Linux 8.2 Advanced Update Support | unaffected 0:1.9.0-15.el8_2.13 - < * |
Red Hat | Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support | unaffected 0:1.11.0-8.el8_4.12 - < * |
Red Hat | Red Hat Enterprise Linux 8.4 Telecommunications Update Service | unaffected 0:1.11.0-8.el8_4.12 - < * |
Red Hat | Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions | unaffected 0:1.11.0-8.el8_4.12 - < * |
Red Hat | Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support | unaffected 0:1.12.0-6.el8_6.13 - < * |
Red Hat | Red Hat Enterprise Linux 8.6 Telecommunications Update Service | unaffected 0:1.12.0-6.el8_6.13 - < * |
Red Hat | Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions | unaffected 0:1.12.0-6.el8_6.13 - < * |
Red Hat | Red Hat Enterprise Linux 8.8 Extended Update Support | unaffected 0:1.12.0-15.el8_8.12 - < * |
Red Hat | Red Hat Enterprise Linux 9 | unaffected 0:1.14.1-1.el9_5.1 - < * |
Red Hat | Red Hat Enterprise Linux 9 | unaffected 0:1.20.11-28.el9_6 - < * |
Red Hat | Red Hat Enterprise Linux 9 | unaffected 0:23.2.7-3.el9_6 - < * |
Red Hat | Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions | unaffected 0:1.11.0-22.el9_0.13 - < * |
Red Hat | Red Hat Enterprise Linux 9.2 Extended Update Support | unaffected 0:1.12.0-14.el9_2.10 - < * |
Red Hat | Red Hat Enterprise Linux 9.4 Extended Update Support | unaffected 0:1.13.1-8.el9_4.5 - < * |
Red Hat | Red Hat Enterprise Linux 6 | All versions |
Red Hat | Red Hat Enterprise Linux 8 | All versions |
Red Hat | Red Hat Enterprise Linux 8 | All versions |
Weaknesses (CWE)
CVSS v3.1 Details
CVSS v3.1 Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
References
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