Security readout for executives and security teams
tcpdump before 4.9.3 can crash when parsing specially crafted BGP data because its parser recurses without a limit. The business impact is availability: monitoring, troubleshooting, or security workflows that depend on tcpdump may be interrupted if exposed to malicious traffic or packet captures. Exposure is most likely on systems running tcpdump before 4.9.3 or vendor packages based on vulnerable tcpdump code. Risk is highest where tcpdump parses BGP packets from live interfaces, automated captures, forensic PCAPs, or embedded appliances using tcpdump-derived parsing. Prioritize remediation on network monitoring, incident response, and routing-analysis systems. This is not presented as data theft risk, but disruption to security visibility can create operational exposure during investigations or network incidents. Mitigation focus: Upgrade tcpdump to 4.9.3 or a vendor-fixed package.; Apply relevant Debian, Fedora, openSUSE, Ubuntu, Apple, or NetApp advisories where applicable.; Limit who can run packet parsers on untrusted captures..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-674: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2018-16300 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- High
- CVSS
- 7.5 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H3.93.6Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
7.5HighVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/the-tcpdump-group/tcpdump/blob/tcpdump-4.9/CHANGESCVE reference · x_refsource_MISC
- https://github.com/the-tcpdump-group/tcpdump/commit/af2cf04a9394c1a56227c2289ae8da262828294aCVE reference · x_refsource_CONFIRM
- [debian-lts-announce] 20191011 [SECURITY] [DLA 1955-1] tcpdump security updateCVE reference · mailing-list, x_refsource_MLIST
- 20191021 [SECURITY] [DSA 4547-1] tcpdump security updateCVE reference · mailing-list, x_refsource_BUGTRAQ
- DSA-4547CVE reference · vendor-advisory, x_refsource_DEBIAN
- FEDORA-2019-85d92df70fCVE reference · vendor-advisory, x_refsource_FEDORA
- FEDORA-2019-d06bc63433CVE reference · vendor-advisory, x_refsource_FEDORA
- FEDORA-2019-6db0d5b9d9CVE reference · vendor-advisory, x_refsource_FEDORA
- https://support.apple.com/kb/HT210788CVE reference · x_refsource_CONFIRM
- 20191211 APPLE-SA-2019-12-10-3 macOS Catalina 10.15.2, Security Update 2019-002 Mojave, Security Update 2019-007 High SierraCVE reference · mailing-list, x_refsource_BUGTRAQ
- https://security.netapp.com/advisory/ntap-20200120-0001/CVE reference · x_refsource_CONFIRM
- USN-4252-2CVE reference · vendor-advisory, x_refsource_UBUNTU
- USN-4252-1CVE reference · vendor-advisory, x_refsource_UBUNTU
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Uncontrolled Recursion
Uncontrolled Recursion represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.