tcpdump: Resource exhaustion in bgp_attr_print() function in print-bgp.c
Published Oct 3, 2019
7.5
HIGHCVSS 3.1
EPSS 4.12%
Description
The BGP parser in tcpdump before 4.9.3 allows stack consumption in print-bgp.c:bgp_attr_print() because of unlimited recursion.
Affected products
No data.
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.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:N/C:N/I:N/A:P
This CVE is not in the KEV list.
CISA SSVC (Vulnrichment)
Stakeholder-Specific Vulnerability Categorization from CISA ADP.
Exploitation
NoneAutomatable
YesTechnical Impact
PartialDecision
n/aAssessed Dec 3, 2025 · SSVC 2.0.3
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Table of values (15 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 4.12% (0.04122) | 90.49th | v5 (v2026.06.15) |
| Jun 15, 2026 | 4.12% (0.04122) | 89.45th | v5 (v2026.06.15) |
| Nov 21, 2025 | 0.28% (0.00280) | 51.07th | v4 (v2025.03.14) |
| Nov 18, 2025 | 1.61% (0.01606) | 80.22th | v4 (v2025.03.14) |
| Mar 30, 2025 | 0.48% (0.00485) | 62.52th | v4 (v2025.03.14) |
| Mar 29, 2025 | 1.55% (0.01550) | 69.75th | v4 (v2025.03.14) |
| Mar 17, 2025 | 0.48% (0.00485) | 63.24th | v4 (v2025.03.14) |
| Dec 17, 2024 | 1.00% (0.00996) | 83.38th | v3 (v2023.03.01) |
| Nov 7, 2024 | 2.71% (0.02705) | 90.77th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.78% (0.00785) | 80.86th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.78% (0.00785) | 78.69th | v3 (v2023.03.01) |
| Mar 6, 2023 | 2.69% (0.02686) | 82.85th | v2 (v2022.01.01) |
| Feb 4, 2022 | 2.69% (0.02686) | 62.66th | v2 (v2022.01.01) |
| Feb 3, 2022 | 3.48% (0.03480) | 68.33th | v5 (v2026.06.15) |
| Apr 14, 2021 | 3.48% (0.03480) | 0.00th | v1 |
References (20)
- http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00050.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00053.html vendor-advisoryx_refsource_SUSE
- http://seclists.org/fulldisclosure/2019/Dec/26 mailing-listx_refsource_FULLDISC
- https://access.redhat.com/security/cve/CVE-2018-16300 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1760445 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/af2cf04a9394c1a56227c2289ae8da262828294a x_refsource_CONFIRMPatchThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/10/msg00015.html mailing-listx_refsource_MLIST
- 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-2018-16300
- https://seclists.org/bugtraq/2019/Dec/23 mailing-listx_refsource_BUGTRAQ
- https://seclists.org/bugtraq/2019/Oct/28 mailing-listx_refsource_BUGTRAQ
- https://security.netapp.com/advisory/ntap-20200120-0001/ x_refsource_CONFIRM
- https://support.apple.com/kb/HT210788 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-2018-16300
- https://www.debian.org/security/2019/dsa-4547 vendor-advisoryx_refsource_DEBIAN
Change history (0)
No recorded changes yet.