CVE-2017-12997

tcpdump: Infinite loop due to a bug in print-lldp.c:lldp_private_8021_print() in LLDP parser

Published Sep 14, 2017 CVSS 3.1 · 9.8 Critical EPSS 2.5% KEV · Not listed
Description
The LLDP parser in tcpdump before 4.9.2 could enter an infinite loop due to a bug in print-lldp.c:lldp_private_8021_print().

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DLA Debian DLA DLA-1097-1 tcpdump security update
Debian DSA Debian DSA DSA-3971-1 tcpdump security update
EUVD EUVD EUVD-2017-4515 The LLDP parser in tcpdump before 4.9.2 could enter an infinite loop due to a bug in print-lldp.c:lldp_private_8021_print().
Ubuntu USN Ubuntu USN USN-3415-1 tcpdump vulnerabilities
Ubuntu USN Ubuntu USN USN-3415-2 tcpdump vulnerabilities
History
Type Values Removed Values Added
Weaknesses CWE-125
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Dec 4, 2025, 3:40 PM
Reserved
Aug 21, 2017, 12:00 AM
Status
Modified
Published
Sep 14, 2017, 6:29 AM
Modified
Jun 17, 2026, 1:04 AM
Severity
Low
Public date
Sep 13, 2017, 12:00 AM