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.

INFO

Published Date :

2025-02-25T15:54:23.693Z

Last Modified :

2026-04-06T12:53:14.993Z

Source :

redhat
AFFECTED PRODUCTS

The following products are affected by CVE-2025-26596 vulnerability.

Vendors Products
Redhat
  • Enterprise Linux
  • Rhel Aus
  • Rhel E4s
  • Rhel Els
  • Rhel Eus
  • Rhel Tus
Tigervnc
  • Tigervnc
X.org
  • X Server
  • Xwayland
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2025-26596.

URL Resource
https://access.redhat.com/errata/RHSA-2025:2500 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2025:2502 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2025:2861 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2025:2862 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2025:2865 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2025:2866 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2025:2873 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2025:2874 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2025:2875 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2025:2879 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2025:2880 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2025:3976 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2025:7163 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2025:7165 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2025:7458 cve-icon cve-icon
https://access.redhat.com/security/cve/CVE-2025-26596 cve-icon cve-icon
https://bugzilla.redhat.com/show_bug.cgi?id=2345256 cve-icon cve-icon
https://lists.debian.org/debian-lts-announce/2025/02/msg00036.html cve-icon
https://nvd.nist.gov/vuln/detail/CVE-2025-26596 cve-icon
https://www.cve.org/CVERecord?id=CVE-2025-26596 cve-icon
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