CVE-2025-62231
A flaw was identified in the X.Org X server’s X Keyboard (Xkb) extension where improper bounds checking in the XkbSetCompatMap() function can cause an unsigned short overflow. If an attacker sends specially crafted input data, the value calculation may overflow, leading to memory corruption or a crash.
- Score
- CVSS 3.1 7.3 High
- Status
- Analyzed - secalert@redhat.com
- Published
- 2025-10-30
- Last modified
- 2026-04-20
- Weaknesses
- CWE-190
Affected products
- Debian Linux (Debian)
- Aix (Ibm)
- Vios (Ibm)
- Enterprise Linux (Redhat)
- Enterprise Linux Aus (Redhat)
- Enterprise Linux Els (Redhat)
- Enterprise Linux Eus (Redhat)
- Enterprise Linux Tus (Redhat)
- Enterprise Linux Update Services For Sap Solutions (Redhat)
- Rhel Aus (Redhat)
- Rhel E4s (Redhat)
- Rhel Els (Redhat)
- Rhel Eus (Redhat)
- Rhel Eus Long Life (Redhat)
- Rhel Tus (Redhat)
- X Server (X.org)
- Xwayland (X.org)
References
- https://access.redhat.com/errata/RHSA-2025:19432
- https://access.redhat.com/errata/RHSA-2025:19433
- https://access.redhat.com/errata/RHSA-2025:19434
- https://access.redhat.com/errata/RHSA-2025:19435
- https://access.redhat.com/errata/RHSA-2025:19489
- https://access.redhat.com/errata/RHSA-2025:19623
- https://access.redhat.com/errata/RHSA-2025:19909
- https://access.redhat.com/errata/RHSA-2025:20958
- https://access.redhat.com/errata/RHSA-2025:20960
- https://access.redhat.com/errata/RHSA-2025:20961
- https://access.redhat.com/errata/RHSA-2025:21035
- https://access.redhat.com/errata/RHSA-2025:22040
- https://access.redhat.com/errata/RHSA-2025:22041
- https://access.redhat.com/errata/RHSA-2025:22051
- https://access.redhat.com/errata/RHSA-2025:22055
- https://access.redhat.com/errata/RHSA-2025:22056
- https://access.redhat.com/errata/RHSA-2025:22077
- https://access.redhat.com/errata/RHSA-2025:22096
- https://access.redhat.com/errata/RHSA-2025:22164
- https://access.redhat.com/errata/RHSA-2025:22167
- https://access.redhat.com/errata/RHSA-2025:22364
- https://access.redhat.com/errata/RHSA-2025:22365
- https://access.redhat.com/errata/RHSA-2025:22426
- https://access.redhat.com/errata/RHSA-2025:22427
- https://access.redhat.com/errata/RHSA-2025:22667
- https://access.redhat.com/errata/RHSA-2025:22729
- https://access.redhat.com/errata/RHSA-2025:22742
- https://access.redhat.com/errata/RHSA-2025:22753
- https://access.redhat.com/errata/RHSA-2026:0031
- https://access.redhat.com/errata/RHSA-2026:0033