Security readout for executives and security teams
Plain-English summary
FreeBSD releases before 11.1-RELEASE and 10.4-RELEASE contained a qsort behavior that could crash applications handling specially shaped large datasets. The source material describes availability impact, not data theft or code execution. Business urgency depends on whether exposed services process untrusted large inputs on affected FreeBSD versions.
Executive priority
Treat as a targeted availability risk for legacy FreeBSD estates. Prioritize systems that process untrusted data or support critical services. The evidence does not support emergency treatment for fully upgraded environments.
Technical view
The issue is deterministic recursion in FreeBSD qsort. Pathological input can drive excessive stack usage and potential overflow. Applications using qsort on large datasets may crash. The provided sources identify affected FreeBSD 11.x before 11.1-RELEASE and 10.x before 10.4-RELEASE; no CVSS, CWE, or KEV evidence is provided.
Likely exposure
Exposure is likely limited to systems running affected FreeBSD branches and applications that sort large, attacker-influenced datasets through qsort. Modern or upgraded FreeBSD systems should be lower concern, but the bundle does not describe package-level backports or downstream products.
Exploitation context
The bundle does not show active exploitation, public exploit use, or KEV listing. The described impact is application crash from pathological input, which makes this primarily a denial-of-service concern where untrusted large data reaches qsort-dependent code.
Researcher notes
The source bundle is sparse: no CVSS vector, CWE, advisory text, patch detail, or exploitation evidence is included. Analysis should stay constrained to FreeBSD libc qsort behavior and application crash potential from excessive stack usage.
Mitigation direction
- Upgrade affected FreeBSD 11.x systems to 11.1-RELEASE or later.
- Upgrade affected FreeBSD 10.x systems to 10.4-RELEASE or later.
- Check FreeBSD or platform vendor guidance for supported backports.
- Review exposed services that sort large untrusted datasets.
- Prioritize remediation where crashes affect public or critical services.
Validation and detection
- Inventory FreeBSD versions across servers, appliances, and images.
- Confirm no systems run FreeBSD 11.x before 11.1-RELEASE.
- Confirm no systems run FreeBSD 10.x before 10.4-RELEASE.
- Map exposed applications that sort user-supplied large datasets.
- Review crash telemetry for stack overflows in sorting paths.
Public sources used
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-2017-1082 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
- https://www.qualys.com/2017/06/19/stack-clash/stack-clash.txtCVE reference · x_refsource_MISC
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.