CVE-2015-8631

medium

Published 2016-02-13 · Modified 2026-05-06

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CVSS v3

6.5

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CVSS v4 NEW

—

not yet in upstream

VIR risk

6.5

Description

Multiple memory leaks in kadmin/server/server_stubs.c in kadmind in MIT Kerberos 5 (aka krb5) before 1.13.4 and 1.14.x before 1.14.1 allow remote authenticated users to cause a denial of service (memory consumption) via a request specifying a NULL principal name.

Predictions

Exploit likelihood

75%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.

✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

OS impact

Red Hat Affected 9 releases

Version	Status	Fixed in
7.7	Affected	—
7.6	Affected	—
7.5	Affected	—
7.4	Affected	—
7.3	Affected	—
7.2	Affected	—
7.0	Affected	—
6.7	Affected	—
6.0	Affected	—

SUSE Affected 3 releases

Version	Status	Fixed in
42.1	Affected	—
13.2	Affected	—
—	Affected	—

Debian Mixed 7 releases

Version	Status	Fixed in
trixie	Fixed	`1.13.2+dfsg-5`
sid	Fixed	`1.13.2+dfsg-5`
forky	Fixed	`1.13.2+dfsg-5`
bullseye	Fixed	`1.13.2+dfsg-5`
bookworm	Fixed	`1.13.2+dfsg-5`
8.0	Affected	—
7.0	Affected	—

Application impact

Vendor	Product	Versions	Fixed
mit	kerberos_5	`{"endExcluding":"1.13.4"}`	`1.13.4`

References

CWEs

CWE-772

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.