CVE-2017-5486

critical
Published 2017-01-28 ยท Modified 2026-05-13
CVSS v3
9.8
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4 NEW
โ€”
not yet in upstream
VIR risk
9.8

Description

The ISO CLNS parser in tcpdump before 4.9.0 has a buffer overflow in print-isoclns.c:clnp_print().

Predictions

Exploit likelihood
97%
Patch ETA
โ€”

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 โ€” if you've already worked around this in production โ€” publish your fix to the community-verified tier.

โœš Propose a mitigation on Community โ†’ 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

OSVersionStatusFixed in
arch archfixed4.9.0-1
suse slesaffected
debian debianbookwormfixed4.9.0-1
debian debianbullseyefixed4.9.0-1
debian debianforkyfixed4.9.0-1
debian debiansidfixed4.9.0-1
debian debiantrixiefixed4.9.0-1

Application impact

VendorProductVersionsFixed
tcpdumptcpdump{"endIncluding":"4.8.1"}

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.