CVE-2016-6318

high

Published 2016-09-07 · Modified 2026-05-06

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CVSS v3

7.8

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

CVSS v4 NEW

—

not yet in upstream

VIR risk

7.8

Description

Stack-based buffer overflow in the FascistGecosUser function in lib/fascist.c in cracklib allows local users to cause a denial of service (application crash) or gain privileges via a long GECOS field, involving longbuffer.

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

OS	Version	Status	Fixed in
sles		affected
debian	bookworm	fixed	`2.9.2-2`
debian	bullseye	fixed	`2.9.2-2`
debian	forky	fixed	`2.9.2-2`
debian	sid	fixed	`2.9.2-2`
debian	trixie	fixed	`2.9.2-2`
debian	8.0	affected
suse	42.1	affected

Application impact

Vendor	Product	Versions	Fixed
cracklib_project	cracklib	`{"startIncluding":"2.9.0","endExcluding":"2.9.6"}`	`2.9.6`

References

CWEs

CWE-787

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

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