CVE-2017-16927

high

Published 2017-11-23 · Modified 2026-05-13

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CVSS v3

8.4

CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v4 NEW

—

not yet in upstream

VIR risk

8.4

Description

The scp_v0s_accept function in sesman/libscp/libscp_v0.c in the session manager in xrdp through 0.9.4 uses an untrusted integer as a write length, which allows local users to cause a denial of service (buffer overflow and application crash) or possibly have unspecified other impact via a crafted input stream.

Predictions

Exploit likelihood

80%

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	7.0	affected
debian	bookworm	fixed	`0.9.4-3`
debian	bullseye	fixed	`0.9.4-3`
debian	forky	fixed	`0.9.4-3`
debian	sid	fixed	`0.9.4-3`
debian	trixie	fixed	`0.9.4-3`

Application impact

Vendor	Product	Versions	Fixed
neutrinolabs	xrdp	`{"endIncluding":"0.9.4"}`

References

CWEs

CWE-119

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

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