CVE-2026-112315

Public on 2026-11-09

Modified on 2026-11-12

Description

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.

Severity

Medium

See what this means

CVSS v3 Base Score

5.3

See breakdown

Affected Packages

Platform	Package	Status
Amazon Linux 2 - Core	krb5	Pending Fix
Amazon Linux 2023	krb5	Pending Fix
Amazon Linux 2027 Preview	krb5	Pending Fix

CVSS Scores

	Score Type	Score	Vector
Amazon Linux	CVSSv3	5.3	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

References

FAQs regarding Amazon Linux ALAS/CVE Severity Red Hat: CVE-2026-112315 Mitre: CVE-2026-112315