What is CVE-2026-112315?

CVE-2026-112315 is a medium-severity vulnerability in Red Hat Enterprise Linux 10, classified under Missing Release of Resource after Effective Lifetime. CVSS score: 5.3/10. Published 2026-11-09.

How severe is CVE-2026-112315?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Vulnerability in Red Hat Enterprise Linux 10

CVE-2026-112315

The RPCSEC_GSS authentication routines in lib/rpc/authgss_prot.c in MIT Kerberos 5 (aka krb5) 1.4 and later do not free partially decoded buffers on failure, which allows remote attackers to cause a denial of service (memory leak in kadmind) via crafted RPCSEC_GSS messages.

Published 2026-11-09 · last modified 2026-11-09.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Weakness classification (CWE)

CWE-772 — Missing Release of Resource after Effective Lifetime

References

access.redhat.com/security/cve/CVE-2026-112315 (vdb-entry)
bugzilla.redhat.com/show_bug.cgi (issue-tracking)

Frequently asked questions

What is CVE-2026-112315?: CVE-2026-112315 is a medium-severity vulnerability in Red Hat Enterprise Linux 10, classified under Missing Release of Resource after Effective Lifetime. CVSS score: 5.3/10. Published 2026-11-09.
How severe is CVE-2026-112315?: Medium severity. CVSS v3 base score is 5.3 out of 10.