Executive Summary



This Alert is flagged as TOP 25 Common Weakness Enumeration from CWE/SANS. For more information, you can read this.
Informations
Name CVE-2025-26595 First vendor Publication 2025-02-25
Vendor Cve Last vendor Modification 2025-05-13

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Overall CVSS Score 7.8
Base Score 7.8 Environmental Score 7.8
impact SubScore 5.9 Temporal Score 7.8
Exploitabality Sub Score 1.8
 
Attack Vector Local Attack Complexity Low
Privileges Required Low User Interaction None
Scope Unchanged Confidentiality Impact High
Integrity Impact High Availability Impact High
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector :
Cvss Base Score N/A Attack Range N/A
Cvss Impact Score N/A Attack Complexity N/A
Cvss Expoit Score N/A Authentication N/A
Calculate full CVSS 2.0 Vectors scores

Detail

A buffer overflow flaw was found in X.Org and Xwayland. The code in XkbVModMaskText() allocates a fixed-sized buffer on the stack and copies the names of the virtual modifiers to that buffer. The code fails to check the bounds of the buffer and would copy the data regardless of the size.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2025-26595

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-787 Out-of-bounds Write (CWE/SANS Top 25)

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 1
Application 6
Application 2
Os 3

Sources (Detail)

https://access.redhat.com/errata/RHSA-2025:2500
https://access.redhat.com/errata/RHSA-2025:2502
https://access.redhat.com/errata/RHSA-2025:2861
https://access.redhat.com/errata/RHSA-2025:2862
https://access.redhat.com/errata/RHSA-2025:2865
https://access.redhat.com/errata/RHSA-2025:2866
https://access.redhat.com/errata/RHSA-2025:2873
https://access.redhat.com/errata/RHSA-2025:2874
https://access.redhat.com/errata/RHSA-2025:2875
https://access.redhat.com/errata/RHSA-2025:2879
https://access.redhat.com/errata/RHSA-2025:2880
https://access.redhat.com/errata/RHSA-2025:7163
https://access.redhat.com/errata/RHSA-2025:7165
https://access.redhat.com/errata/RHSA-2025:7458
https://access.redhat.com/security/cve/CVE-2025-26595
https://bugzilla.redhat.com/show_bug.cgi?id=2345257
Source Url

Alert History

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Date Informations
2025-05-27 02:56:06
  • Multiple Updates
2025-03-17 13:20:50
  • Multiple Updates
2025-03-17 09:20:51
  • Multiple Updates
2025-03-10 17:20:07
  • Multiple Updates
2025-03-04 21:20:36
  • Multiple Updates
2025-02-25 21:20:31
  • First insertion