HIGH
tcpdump: Out of bounds read/write in in get_next_file() in tcpdump.c
Published Oct 3, 2019
7.0
HIGHCVSS 3.1
EPSS 4.67%
Description
The command-line argument parser in tcpdump before 4.9.3 has a buffer overflow in tcpdump.c:get_next_file().
Affected products
No data.
OR
- ≥ 5.0.0 · ≤ 5.1.0
- < 4.9.3
- < 10.15.2
- 8.0
- 9.0
- 10.0
- 29
- 30
- 31
- 15.0
- 15.1
- 7.0
- 8.0
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
Will not fix
| 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 | Will not fix | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
7.0 HIGH NVD
CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack Vector Local
Attack Complexity High
Privileges Required None
User Interaction Required
Scope Unchanged
Confidentiality Impact High
Integrity Impact High
Availability Impact High
No CVSS v3.0 score for this CVE.
5.1 MEDIUM NVD
AV:N/AC:H/Au:N/C:P/I:P/A:P
Access Vector Network
Access Complexity High
Authentication None
Confidentiality Impact Partial
Integrity Impact Partial
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
TotalDecision
n/aAssessed Dec 3, 2025 · SSVC 2.0.3
4.67% 0.04667
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.04667
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 (22 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 4.67% (0.04667) | 91.47th | v5 (v2026.06.15) |
| Jun 15, 2026 | 4.67% (0.04667) | 90.56th | v5 (v2026.06.15) |
| Nov 21, 2025 | 0.52% (0.00520) | 65.96th | v4 (v2025.03.14) |
| Nov 18, 2025 | 2.76% (0.02761) | 84.73th | v4 (v2025.03.14) |
| Aug 30, 2025 | 0.52% (0.00520) | 65.86th | v4 (v2025.03.14) |
| Mar 30, 2025 | 1.54% (0.01535) | 79.61th | v4 (v2025.03.14) |
| Mar 29, 2025 | 13.34% (0.13340) | 90.27th | v4 (v2025.03.14) |
| Mar 28, 2025 | 1.54% (0.01535) | 79.62th | v4 (v2025.03.14) |
| Mar 27, 2025 | 13.34% (0.13340) | 93.18th | v4 (v2025.03.14) |
| Mar 20, 2025 | 1.54% (0.01535) | 79.70th | v4 (v2025.03.14) |
| Mar 19, 2025 | 13.34% (0.13340) | 93.33th | v4 (v2025.03.14) |
| Jul 20, 2024 | 0.21% (0.00205) | 58.89th | v3 (v2023.03.01) |
| Nov 8, 2023 | 0.21% (0.00205) | 58.25th | v3 (v2023.03.01) |
| Sep 14, 2023 | 0.15% (0.00149) | 50.33th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.12% (0.00120) | 44.44th | 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 (2)
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-2018-14879 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1760457 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/9ba91381954ad325ea4fd26b9c65a8bd9a2a85b6 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-2018-14879
- 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/K51512510?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-2018-14879
- 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 Aug 3, 2018
Link CVE-2018-14879
CISA Vulnrichment
Updated Dec 3, 2025