CVE-2018-10105

CVE-2018-10105 is a critical-severity vulnerability in Tcpdump with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.

Key facts

• Severity: Critical (CVSS 3.x base score 9.8)
• CVSS v2: 7.5
• EPSS exploit prediction: 4% (89th percentile)
• Actively exploited: Not listed in CISA KEV
• Weakness: CWE-20
• Affected product: Tcpdump
• Published: 2019-10-03
• Last modified: 2026-06-17

Description

tcpdump before 4.9.3 mishandles the printing of SMB data (issue 2 of 2).

Frequently asked questions

What is CVE-2018-10105?

tcpdump before 4.9.3 mishandles the printing of SMB data (issue 2 of 2).

How severe is CVE-2018-10105?

CVE-2018-10105 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2018-10105 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (89th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-10105?

CVE-2018-10105 affects Tcpdump. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-10105?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2018-10105 published?

CVE-2018-10105 was published on 2019-10-03 and last updated on 2026-06-17.

References

• http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00050.html
• http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00053.html
• http://seclists.org/fulldisclosure/2019/Dec/26
• https://github.com/the-tcpdump-group/tcpdump/blob/tcpdump-4.9/CHANGES
• https://lists.debian.org/debian-lts-announce/2019/10/msg00015.html
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/62XY42U6HY3H2APR5EHNWCZ7SAQNMMJN/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FNYXF3IY2X65IOD422SA6EQUULSGW7FN/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/R2UDPOSGVJQIYC33SQBXMDXHH4QDSDMU/
• https://seclists.org/bugtraq/2019/Dec/23
• https://seclists.org/bugtraq/2019/Oct/28
• https://security.netapp.com/advisory/ntap-20200120-0001/
• https://support.apple.com/kb/HT210788
• https://support.f5.com/csp/article/K44551633?utm_source=f5support&amp%3Butm_medium=RSS
• https://usn.ubuntu.com/4252-1/
• https://usn.ubuntu.com/4252-2/
• https://www.debian.org/security/2019/dsa-4547

Affected products (1)

• cpe:2.3:a:tcpdump:tcpdump:*:*:*:*:*:*:*:*

More vulnerabilities in Tcpdump

• CVE-2018-10103 — Critical (CVSS 9.8): tcpdump before 4.9.3 mishandles the printing of SMB data (issue 1 of 2).
• CVE-2017-13725 — Critical (CVSS 9.8): The IPv6 routing header parser in tcpdump before 4.9.2 has a buffer over-read in print-rt6.c:rt6_print().
• CVE-2017-13690 — Critical (CVSS 9.8): The IKEv2 parser in tcpdump before 4.9.2 has a buffer over-read in print-isakmp.c, several functions.
• CVE-2017-13689 — Critical (CVSS 9.8): The IKEv1 parser in tcpdump before 4.9.2 has a buffer over-read in print-isakmp.c:ikev1_id_print().
• CVE-2017-13688 — Critical (CVSS 9.8): The OLSR parser in tcpdump before 4.9.2 has a buffer over-read in print-olsr.c:olsr_print().
• CVE-2017-13687 — Critical (CVSS 9.8): The Cisco HDLC parser in tcpdump before 4.9.2 has a buffer over-read in print-chdlc.c:chdlc_print().

All CVEs affecting Tcpdump →

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