Security readout for executives and security teams
CVE-2018-14881 is a tcpdump flaw in BGP packet parsing. A crafted or malformed BGP capability can make vulnerable tcpdump versions read past the intended buffer. This matters most where tcpdump is used to inspect untrusted network captures or live traffic. Sources identify tcpdump before 4.9.3 and multiple vendor security updates. Exposure is likely on systems running tcpdump before 4.9.3, especially network monitoring, troubleshooting, security analysis, and packet-capture workflows that parse BGP traffic from untrusted networks or files. The bundle does not provide complete CPE data, so asset validation must rely on local package inventories and vendor advisories. Prioritize remediation in network operations and security tooling environments. The vulnerability is critical by CVSS and has broad vendor update coverage, but the provided sources do not prove active exploitation. Patch during the next urgent maintenance window, sooner for systems processing external BGP traffic or untrusted captures. Mitigation focus: Upgrade tcpdump to a vendor-fixed release, including 4.9.3 or later where applicable.; Apply Debian, Ubuntu, Fedora, openSUSE, Apple, or NetApp updates if those platforms are in scope.; Restrict tcpdump use on untrusted packet captures until vulnerable versions are updated..
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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Open ATT&CK lookupCVE-2018-14881 mapping review
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Open ATT&CK lookup- Severity
- Critical
- CVSS
- 9.8 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H3.95.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
9.8CriticalVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/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/86326e880d31b328a151d45348c35220baa9a1ffCVE 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.
Out-of-bounds Read
Out-of-bounds Read represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.