Security readout for executives and security teams
Plain-English summary
CVE-1999-0837 is an old denial-of-service issue reported in BIND, a common DNS server. The public CVE data says BIND can be disrupted when TCP sessions are improperly closed using so_linger. The available source data does not identify affected versions, scoring, or a specific fix.
Executive priority
Treat as a legacy hygiene and availability risk unless vendor guidance confirms affected systems. Prioritize if critical DNS infrastructure runs old or unsupported BIND, especially when exposed to untrusted networks.
Technical view
The CVE describes a BIND denial of service condition tied to improper TCP session closure behavior via so_linger. Public metadata is sparse: no CVSS, CWE, affected version list, patch reference, or vendor advisory is included in the provided sources.
Likely exposure
Potential exposure is limited to environments running affected BIND versions, especially DNS services accepting TCP connections. The provided sources do not state which BIND releases are affected, so exposure must be confirmed through asset inventory and vendor guidance.
Exploitation context
The sources describe denial of service only. They do not provide evidence of active exploitation, public exploit availability, or inclusion in CISA KEV. Business impact would be DNS service disruption if an exposed, affected BIND instance is vulnerable.
Researcher notes
Evidence is incomplete. The CVE record gives only a short description and no affected versions, patches, or references. Avoid assuming exploitability beyond denial of service until corroborated by vendor advisories or historical BIND release documentation.
Mitigation direction
- Identify all BIND DNS servers and their versions.
- Check current ISC/BIND guidance for CVE-1999-0837 or related advisories.
- Upgrade unsupported or vendor-confirmed affected BIND versions.
- Limit DNS TCP exposure where operationally safe.
- Monitor DNS service availability and abnormal TCP session behavior.
Validation and detection
- Confirm whether any internet-facing DNS servers run BIND.
- Record exact BIND versions and support status.
- Compare versions against vendor advisories or release notes.
- Review DNS logs for unexplained TCP-related service instability.
- Document compensating controls around exposed DNS services.
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-1999-0837 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
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.