Security readout for executives and security teams
FreeBSD systems using ipfilter with state or fragment tracking could crash when receiving specially crafted fragmented packets. The impact described is a kernel panic, so the main business risk is denial of service on affected hosts, especially firewalls or gateways. Exposure is most likely on FreeBSD 10.3 or 11.0 systems running ipfilter with rules that use “keep state” or “keep frags,” particularly if untrusted fragmented traffic can reach the host. Treat this as high priority for FreeBSD systems acting as firewalls, gateways, or exposed network services. A crashable filtering host can interrupt business connectivity even without evidence of data theft. Mitigation focus: Upgrade to FreeBSD 11.0-RELEASE-p10, 10.3-RELEASE-p19, or later supported fixed branches.; Review the FreeBSD security advisory for branch-specific update guidance.; Identify ipfilter rules using “keep state” or “keep frags.”.
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-416: Exact CWE lookup
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Open ATT&CK lookupCVE-2017-1081 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
- FreeBSD-SA-17:04CVE reference · vendor-advisory, x_refsource_FREEBSD
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.
Use After Free
Use After Free represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.