Security readout for executives and security teams
CVE-2017-12986 is a tcpdump parsing bug. Older tcpdump versions before 4.9.2 can read past a buffer while decoding IPv6 routing headers. The main business concern is disruption or unsafe handling when analysts or monitoring systems process untrusted network traffic or packet capture files. Exposure is most likely on systems running tcpdump before 4.9.2, especially security monitoring, network troubleshooting, or forensic workflows that inspect IPv6 traffic or packet captures from untrusted sources. Prioritize routine remediation on affected systems used for packet analysis. Escalate if legacy tcpdump is exposed to untrusted captures or automated monitoring pipelines, because parsing bugs can disrupt investigation tooling. Mitigation focus: Upgrade tcpdump to 4.9.2 or a vendor-fixed package.; Apply relevant Gentoo, Debian, Apple, or Red Hat guidance where applicable.; Restrict processing of untrusted packet captures until tcpdump is 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
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.
CVE-2017-12986 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
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
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 and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- GLSA-201709-23CVE reference · vendor-advisory, x_refsource_GENTOO
- https://support.apple.com/HT208221CVE reference · x_refsource_CONFIRM
- https://github.com/the-tcpdump-group/tcpdump/commit/7ac73d6cd41e9d4ac0ca7e6830ca390e195bb21cCVE reference · x_refsource_CONFIRM
- RHEA-2018:0705CVE reference · vendor-advisory, x_refsource_REDHAT
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.