What is CVE-2025-62231?

CVE-2025-62231 is a high-severity vulnerability in Ibm Aix, classified under Integer Overflow or Wraparound. CVSS score: 7.3/10. Published 2025-10-30.

How severe is CVE-2025-62231?

High severity. CVSS v3 base score is 7.3 out of 10.

Integer overflow in Ibm Aix

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 ca…

Vulnerability class: Integer Overflow

EPSS: 0.003 (20.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:H.

Affected products

Ibm Aix — versions 7.3.4
Ibm Vios — versions 4.1.2.0
X.org X_server
X.org Xwayland — versions 0
Debian Debian_linux — versions 11.0
Red Hat Enterprise Linux 10 — versions 0:24.1.5-5.el10_0, 0:24.1.5-5.el10_1
Red Hat Enterprise Linux 6
Red Hat Enterprise Linux 6 Extended Lifecycle Support - Extension — versions 0:1.1.0-25.el6_10.15
Red Hat Enterprise Linux 7 Extended Lifecycle Support — versions 0:1.20.4-33.el7_9, 0:1.8.0-36.el7_9.3
Red Hat Enterprise Linux 8 — versions 0:21.1.3-19.el8_10, 0:1.20.11-27.el8_10, 0:1.15.0-8.el8_10

Weakness classification (CWE)

CWE-190 — Integer Overflow or Wraparound

References

secalert@redhat.com (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
secalert@redhat.com (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
secalert@redhat.com (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
secalert@redhat.com (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
secalert@redhat.com (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
secalert@redhat.com (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
secalert@redhat.com (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
secalert@redhat.com (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
secalert@redhat.com (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
secalert@redhat.com (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)

Frequently asked questions

What is CVE-2025-62231?: CVE-2025-62231 is a high-severity vulnerability in Ibm Aix, classified under Integer Overflow or Wraparound. CVSS score: 7.3/10. Published 2025-10-30.
How severe is CVE-2025-62231?: High severity. CVSS v3 base score is 7.3 out of 10.