Security readout for executives and security teams
This is a low-severity tcpdump parsing bug. A specially crafted LMP packet or capture could make affected tcpdump versions mishandle memory bounds and cause limited availability impact. The business risk is mainly to systems that analyze network captures with old tcpdump packages. Exposure is likely limited to systems running tcpdump before 4.9.3 or downstream vulnerable OS packages. Relevant assets include analyst workstations, network troubleshooting hosts, appliances, and servers that process packet captures from untrusted or semi-trusted sources. Handle through routine patch management. Escalate only where vulnerable tcpdump runs on critical monitoring infrastructure or processes untrusted captures frequently. Mitigation focus: Upgrade tcpdump to 4.9.3 or a vendor-fixed package.; Apply relevant Debian, openSUSE, Fedora, Ubuntu, Apple, or appliance vendor security updates.; Reduce use of vulnerable tcpdump on untrusted packet captures until patched..
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
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ATT&CK lookup starting points
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CWE-120: Exact CWE lookup
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Open ATT&CK lookupCVE-2019-15166 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
- Low
- CVSS
- 1.6 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:P/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:L
CNA and ADP enrichment extracted from CVE v5
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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:P/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:L0.21.4Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
1.6LowVector: CVSS:3.1/AV:P/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:L
Source materials
- CVE List V5 sourceCVE List V5
- [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
- 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
- USN-4252-2CVE reference · vendor-advisory, x_refsource_UBUNTU
- USN-4252-1CVE reference · vendor-advisory, x_refsource_UBUNTU
- https://support.apple.com/kb/HT210788CVE reference · x_refsource_CONFIRM
- https://github.com/the-tcpdump-group/tcpdump/blob/tcpdump-4.9/CHANGESCVE reference · x_refsource_MISC
- https://github.com/the-tcpdump-group/tcpdump/commit/0b661e0aa61850234b64394585cf577aac570bf4CVE reference · x_refsource_CONFIRM
- https://security.netapp.com/advisory/ntap-20200120-0001/CVE reference · x_refsource_CONFIRM
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.
Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.