tcpdump: Buffer over-read in print-zephyr.c, several functions in Zephyr parser
Published Sep 14, 2017
9.8
CRITICALCVSS 3.1
EPSS 3.48%
Description
The Zephyr parser in tcpdump before 4.9.2 has a buffer over-read in print-zephyr.c, several functions.
Affected products
No data.
Configuration 2
- 9.0
- 10.0
- 7.0
- 7.0
- 7.6
- 7.7
No data.
Red Hat Enterprise Linux 7
tcpdump-14:4.9.2-3.el7
Fixed · RHEA-2018:0705
Red Hat Enterprise Linux 5
tcpdump
Will not fix
Red Hat Enterprise Linux 6
tcpdump
Will not fix
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 7 | tcpdump-14:4.9.2-3.el7 | Fixed | RHEA-2018:0705 |
| Red Hat Enterprise Linux 5 | tcpdump | Will not fix | n/a |
| Red Hat Enterprise Linux 6 | 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.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
AV:N/AC:L/Au:N/C:P/I:P/A:P
This CVE is not in the KEV list.
CISA SSVC (Vulnrichment)
Stakeholder-Specific Vulnerability Categorization from CISA ADP.
Exploitation
NoneAutomatable
YesTechnical Impact
TotalDecision
n/aAssessed Dec 4, 2025 · SSVC 2.0.3
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
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 (18 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 3.48% (0.03475) | 88.70th | v5 (v2026.06.15) |
| Jun 15, 2026 | 3.48% (0.03475) | 87.52th | v5 (v2026.06.15) |
| Mar 30, 2025 | 2.17% (0.02168) | 82.80th | v4 (v2025.03.14) |
| Mar 29, 2025 | 4.28% (0.04279) | 81.04th | v4 (v2025.03.14) |
| Jul 20, 2024 | 1.46% (0.01456) | 86.83th | v3 (v2023.03.01) |
| May 19, 2024 | 1.46% (0.01456) | 86.66th | v3 (v2023.03.01) |
| May 8, 2023 | 1.46% (0.01456) | 84.66th | v3 (v2023.03.01) |
| May 4, 2023 | 1.21% (0.01215) | 83.23th | v3 (v2023.03.01) |
| Mar 17, 2023 | 0.86% (0.00859) | 79.77th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.69% (0.00694) | 77.10th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.18% (0.01183) | 61.76th | v2 (v2022.01.01) |
| Oct 19, 2022 | 1.18% (0.01183) | 60.79th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.18% (0.01183) | 58.77th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.18% (0.01183) | 35.15th | v2 (v2022.01.01) |
| Feb 3, 2022 | 1.86% (0.01865) | 48.06th | v1 |
| Jan 6, 2022 | 1.86% (0.01865) | 47.54th | v1 |
| Sep 1, 2021 | 1.86% (0.01865) | 76.13th | v1 |
| Apr 14, 2021 | 1.86% (0.01865) | 0.00th | v1 |
References (12)
- http://www.debian.org/security/2017/dsa-3971 vendor-advisoryx_refsource_DEBIANThird Party Advisory
- http://www.securitytracker.com/id/1039307 vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry
- http://www.tcpdump.org/tcpdump-changes.txt x_refsource_CONFIRMVendor Advisory
- https://access.redhat.com/errata/RHEA-2018:0705 vendor-advisoryx_refsource_REDHATThird Party Advisory
- https://access.redhat.com/security/cve/CVE-2017-12902 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1490550 Issue Tracking
- https://github.com/the-tcpdump-group/tcpdump/commit/6ec0c6fa63412c7a07a5bcb790a529c3563b4173 x_refsource_CONFIRMIssue TrackingThird Party Advisory
- https://github.com/the-tcpdump-group/tcpdump/commit/d17507ffa3e9742199b02a66aa940e79ababfa30 x_refsource_CONFIRMIssue TrackingPatchThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2017-12902
- https://security.gentoo.org/glsa/201709-23 vendor-advisoryx_refsource_GENTOOThird Party Advisory
- https://support.apple.com/HT208221 x_refsource_CONFIRMThird Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2017-12902
Change history (0)
No recorded changes yet.