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Vulnerability record · CVE-2017-11543 · published 23 July 2017

CVE-2017-11543: Tcpdump memory buffer overflow vulnerability

Tcpdump · Tcpdump

tcpdump 4.9.0 has a buffer overflow in the sliplink_print function in print-sl.c.

9.8 CVSS 3.0 Critical EPSS 6.2% · top 6.7% CWE-119 · Memory buffer overflow
9.8CVSS 3.0 base score, v2 7.5
6.2%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
14References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

tcpdump 4.9.0 has a buffer overflow in the sliplink_print function in print-sl.c.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://www.debian.org/security/2017/dsa-3971
http://www.securityfocus.com/bid/99939 Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1039307
https://access.redhat.com/errata/RHEA-2018:0705
https://github.com/hackerlib/hackerlib-vul/tree/master/tcpdump-vul/global-overflow/print-sl ExploitThird Party Advisory
https://security.gentoo.org/glsa/201709-23
https://support.apple.com/HT208221
http://www.debian.org/security/2017/dsa-3971
http://www.securityfocus.com/bid/99939 Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1039307
https://access.redhat.com/errata/RHEA-2018:0705
https://github.com/hackerlib/hackerlib-vul/tree/master/tcpdump-vul/global-overflow/print-sl ExploitThird Party Advisory
https://security.gentoo.org/glsa/201709-23
https://support.apple.com/HT208221

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2018-10103Tcpdump improper input validation vulnerabilitytcpdump before 4.9.3 mishandles the printing of SMB data (issue 1 of 2).EPSS 4.1%9.8CVE-2018-10105Tcpdump improper input validation vulnerabilitytcpdump before 4.9.3 mishandles the printing of SMB data (issue 2 of 2).EPSS 3.9%9.8CVE-2017-13049Tcpdump out-of-bounds read vulnerabilityThe Rx protocol parser in tcpdump before 4.9.2 has a buffer over-read in print-rx.c:ubik_print().EPSS 3.4%9.8CVE-2017-13050Tcpdump out-of-bounds read vulnerabilityThe RPKI-Router parser in tcpdump before 4.9.2 has a buffer over-read in print-rpki-rtr.c:rpki_rtr_pdu_print().EPSS 4.6%9.8CVE-2017-13051Tcpdump out-of-bounds read vulnerabilityThe RSVP parser in tcpdump before 4.9.2 has a buffer over-read in print-rsvp.c:rsvp_obj_print().EPSS 3.7%9.8CVE-2017-13052Tcpdump out-of-bounds read vulnerabilityThe CFM parser in tcpdump before 4.9.2 has a buffer over-read in print-cfm.c:cfm_print().EPSS 3.4%9.8CVE-2017-13053Tcpdump out-of-bounds read vulnerabilityThe BGP parser in tcpdump before 4.9.2 has a buffer over-read in print-bgp.c:decode_rt_routing_info().EPSS 3.2%9.8CVE-2017-13054Tcpdump out-of-bounds read vulnerabilityThe LLDP parser in tcpdump before 4.9.2 has a buffer over-read in print-lldp.c:lldp_private_8023_print().EPSS 3.2%

Source: NIST National Vulnerability Database (record CVE-2017-11543), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.