HIGH
tcpdump: Buffer over-read in mfr_print() function in print-fr.c
Published Oct 3, 2019
7.5
HIGHCVSS 3.1
EPSS 3.98%
Description
The FRF.16 parser in tcpdump before 4.9.3 has a buffer over-read in print-fr.c:mfr_print().
Affected products
No data.
Configuration 2
OR
- < 10.15.2
- 8.0
- 9.0
- 10.0
- 29
- 30
- 31
- 15.0
- 15.1
- 7.0
- 8.0
Configuration 3
OR
- ≥ 5.2.0 · ≤ 5.4.0
- ≥ 6.0.0 · ≤ 6.1.0
- 7.0.0
Configuration 4
OR
- ≥ 11.6.0 · ≤ 11.6.5
- ≥ 12.1.0 · ≤ 12.1.5
- ≥ 13.1.0 · ≤ 13.1.3
- ≥ 14.0.0 · ≤ 14.1.2
- ≥ 15.0.0 · ≤ 15.0.1
- ≥ 11.6.0 · ≤ 11.6.5
- ≥ 12.1.0 · ≤ 12.1.5
- ≥ 13.1.0 · ≤ 13.1.3
- ≥ 14.0.0 · ≤ 14.1.2
- ≥ 15.0.0 · ≤ 15.0.1
- ≥ 11.6.0 · ≤ 11.6.5
- ≥ 12.1.0 · ≤ 12.1.5
- ≥ 13.1.0 · ≤ 13.1.3
- ≥ 14.0.0 · ≤ 14.1.2
- ≥ 15.0.0 · ≤ 15.0.1
- ≥ 11.6.0 · ≤ 11.6.5
- ≥ 12.1.0 · ≤ 12.1.5
- ≥ 13.1.0 · ≤ 13.1.3
- ≥ 14.0.0 · ≤ 14.1.2
- ≥ 15.0.0 · ≤ 15.0.1
- ≥ 11.6.0 · ≤ 11.6.5
- ≥ 12.1.0 · ≤ 12.1.5
- ≥ 13.1.0 · ≤ 13.1.3
- ≥ 14.0.0 · ≤ 14.1.2
- ≥ 15.0.0 · ≤ 15.0.1
- ≥ 11.6.0 · ≤ 11.6.5
- ≥ 12.1.0 · ≤ 12.1.5
- ≥ 13.1.0 · ≤ 13.1.3
- ≥ 14.0.0 · ≤ 14.1.2
- ≥ 15.0.0 · ≤ 15.0.1
- ≥ 11.6.0 · ≤ 11.6.5
- ≥ 12.1.0 · ≤ 12.1.5
- ≥ 13.1.0 · ≤ 13.1.3
- ≥ 14.0.0 · ≤ 14.1.2
- ≥ 15.0.0 · ≤ 15.0.1
- ≥ 11.6.0 · ≤ 11.6.5
- ≥ 12.1.0 · ≤ 12.1.5
- ≥ 13.1.0 · ≤ 13.1.3
- ≥ 14.0.0 · ≤ 14.1.2
- ≥ 15.0.0 · ≤ 15.0.1
- ≥ 11.6.0 · ≤ 11.6.5
- ≥ 12.1.0 · ≤ 12.1.5
- ≥ 13.1.0 · ≤ 13.1.3
- ≥ 14.0.0 · ≤ 14.1.2
- ≥ 15.0.0 · ≤ 15.0.1
- ≥ 11.6.0 · ≤ 11.6.5
- ≥ 12.1.0 · ≤ 12.1.5
- ≥ 13.1.0 · ≤ 13.1.3
- ≥ 14.0.0 · ≤ 14.1.2
- ≥ 15.0.0 · ≤ 15.0.1
- ≥ 11.6.0 · ≤ 11.6.5
- ≥ 12.1.0 · ≤ 12.1.5
- ≥ 13.1.0 · ≤ 13.1.3
- ≥ 14.0.0 · ≤ 14.1.2
- ≥ 15.0.0 · ≤ 15.0.1
- ≥ 11.6.0 · ≤ 11.6.5
- ≥ 12.1.0 · ≤ 12.1.5
- ≥ 13.1.0 · ≤ 13.1.3
- ≥ 14.0.0 · ≤ 14.1.2
- ≥ 15.0.0 · ≤ 15.0.1
- ≥ 11.6.0 · ≤ 11.6.5
- ≥ 12.1.0 · ≤ 12.1.5
- ≥ 13.1.0 · ≤ 13.1.3
- ≥ 14.0.0 · ≤ 14.1.2
- ≥ 15.0.0 · ≤ 15.0.1
Configuration 5
OR
- 3.1.1
- 2.3.0
- ≥ 5.0.0 · ≤ 5.1.0
No data.
Red Hat Enterprise Linux 8
tcpdump-14:4.9.3-1.el8
Fixed · RHSA-2020:4760
Red Hat Enterprise Linux 5
tcpdump
Out of support scope
Red Hat Enterprise Linux 6
tcpdump
Out of support scope
Red Hat Enterprise Linux 7
tcpdump
Fix deferred
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 8 | tcpdump-14:4.9.3-1.el8 | Fixed | RHSA-2020:4760 |
| Red Hat Enterprise Linux 5 | tcpdump | Out of support scope | n/a |
| Red Hat Enterprise Linux 6 | tcpdump | Out of support scope | n/a |
| Red Hat Enterprise Linux 7 | tcpdump | Fix deferred | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
7.5 HIGH NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact None
Integrity Impact None
Availability Impact High
No CVSS v3.0 score for this CVE.
5.0 MEDIUM NVD
AV:N/AC:L/Au:N/C:N/I:N/A:P
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Partial
This CVE is not in the KEV list.
CISA SSVC (Vulnrichment)
Stakeholder-Specific Vulnerability Categorization from CISA ADP.
Exploitation
NoneAutomatable
NoTechnical Impact
PartialDecision
n/aAssessed Dec 3, 2025 · SSVC 2.0.3
3.98% 0.03985
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.03985
Score over time
2021–2026- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (23 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 3.98% (0.03985) | 90.18th | v5 (v2026.06.15) |
| Jun 15, 2026 | 4.10% (0.04096) | 89.40th | v5 (v2026.06.15) |
| May 26, 2026 | 2.28% (0.02283) | 84.89th | v4 (v2025.03.14) |
| Nov 21, 2025 | 0.68% (0.00678) | 70.77th | v4 (v2025.03.14) |
| Nov 18, 2025 | 2.98% (0.02977) | 85.27th | v4 (v2025.03.14) |
| Aug 30, 2025 | 0.52% (0.00519) | 65.85th | v4 (v2025.03.14) |
| Mar 30, 2025 | 2.33% (0.02330) | 83.39th | v4 (v2025.03.14) |
| Mar 29, 2025 | 3.48% (0.03485) | 79.06th | v4 (v2025.03.14) |
| Mar 17, 2025 | 2.33% (0.02330) | 83.72th | v4 (v2025.03.14) |
| Jul 20, 2024 | 0.33% (0.00329) | 71.28th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.33% (0.00329) | 70.18th | v3 (v2023.03.01) |
| Nov 4, 2023 | 0.33% (0.00327) | 67.66th | v3 (v2023.03.01) |
| Oct 10, 2023 | 0.55% (0.00548) | 74.77th | v3 (v2023.03.01) |
| Sep 29, 2023 | 0.33% (0.00327) | 67.35th | v3 (v2023.03.01) |
| Sep 14, 2023 | 0.55% (0.00548) | 74.62th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.33% (0.00327) | 66.18th | v3 (v2023.03.01) |
| Mar 6, 2023 | 2.29% (0.02293) | 81.40th | v2 (v2022.01.01) |
| Apr 1, 2022 | 2.29% (0.02293) | 79.64th | v2 (v2022.01.01) |
| Feb 4, 2022 | 2.29% (0.02293) | 58.26th | v2 (v2022.01.01) |
| Feb 3, 2022 | 0.56% (0.00555) | 12.81th | v1 |
| Jan 6, 2022 | 0.56% (0.00555) | 12.32th | v1 |
| Sep 1, 2021 | 0.56% (0.00555) | 32.58th | v1 |
| Apr 14, 2021 | 0.56% (0.00555) | 0.00th | v1 |
Weaknesses (1)
References (21)
- http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00050.html vendor-advisoryx_refsource_SUSEThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00053.html vendor-advisoryx_refsource_SUSEThird Party Advisory
- http://seclists.org/fulldisclosure/2019/Dec/26 mailing-listx_refsource_FULLDISCMailing ListThird Party Advisory
- https://access.redhat.com/security/cve/CVE-2018-14468 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1760464 Issue Tracking
- https://github.com/the-tcpdump-group/tcpdump/blob/tcpdump-4.9/CHANGES x_refsource_MISCRelease NotesThird Party Advisory
- https://github.com/the-tcpdump-group/tcpdump/commit/aa3e54f594385ce7e1e319b0c84999e51192578b x_refsource_CONFIRMPatchThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/10/msg00015.html mailing-listx_refsource_MLISTThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/62XY42U6HY3H2APR5EHNWCZ7SAQNMMJN/ vendor-advisoryx_refsource_FEDORA
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FNYXF3IY2X65IOD422SA6EQUULSGW7FN/ vendor-advisoryx_refsource_FEDORA
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/R2UDPOSGVJQIYC33SQBXMDXHH4QDSDMU/ vendor-advisoryx_refsource_FEDORA
- https://nvd.nist.gov/vuln/detail/CVE-2018-14468
- https://seclists.org/bugtraq/2019/Dec/23 mailing-listx_refsource_BUGTRAQMailing ListThird Party Advisory
- https://seclists.org/bugtraq/2019/Oct/28 mailing-listx_refsource_BUGTRAQMailing ListThird Party Advisory
- https://security.netapp.com/advisory/ntap-20200120-0001/ x_refsource_CONFIRM
- https://support.apple.com/kb/HT210788 x_refsource_CONFIRMThird Party Advisory
- https://support.f5.com/csp/article/K04367730?utm_source=f5support&%3Butm_medium=RSS x_refsource_CONFIRM
- https://usn.ubuntu.com/4252-1/ vendor-advisoryx_refsource_UBUNTU
- https://usn.ubuntu.com/4252-2/ vendor-advisoryx_refsource_UBUNTU
- https://www.cve.org/CVERecord?id=CVE-2018-14468
- https://www.debian.org/security/2019/dsa-4547 vendor-advisoryx_refsource_DEBIANThird Party Advisory
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Oct 3, 2019
Updated Dec 3, 2025
Reserved Jul 20, 2018
Link CVE-2018-14468
CISA Vulnrichment
Updated Dec 3, 2025