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CVE Record

CVE-1999-0847: Buffer overflow in free internet chess server (FICS) program, xboard.

Buffer overflow in free internet chess server (FICS) program, xboard.

UnknownCVSS not scoredNot KEV-listedUpdated
Glexia's TakeAutomated analysislow

Security readout for executives and security teams

Plain-English summary

This is a very old vulnerability from 1999 affecting xboard, a graphical client used to play chess on the Free Internet Chess Server (FICS). A buffer overflow flaw could allow the program to crash or potentially run unintended code when handling malformed input. It is not relevant to modern enterprise environments unless legacy Unix workstations still run vintage xboard binaries.

Executive priority

Very low. This is a 26-year-old desktop game client bug with no evidence of active exploitation, no KEV listing, and no realistic business impact. Address only if inventory finds legacy xboard installs; otherwise close as not applicable.

Technical view

CVE-1999-0847 is a buffer overflow in the xboard client used with the Free Internet Chess Server (FICS). Public sources describe the issue only at a high level via a 1999 Bugtraq post; no CWE, CVSS, patched version, or specific affected release is recorded in the CVE bundle. Impact would classically be memory corruption leading to crash or arbitrary code execution in the context of the local user running xboard.

Likely exposure

Effectively none for typical enterprises. xboard is a desktop chess client, not server software, and this record predates modern hardened builds. Exposure would exist only on legacy Unix/Linux workstations running an unpatched xboard against a hostile FICS peer or crafted input.

Exploitation context

No known active exploitation. The CVE is not listed in CISA KEV, has no CVSS score in the bundle, and the only reference is a 1999 Bugtraq post. No public exploit code, campaign, or malware family is cited in the provided sources.

Researcher notes

The CVE bundle provides minimal detail: no CWE, no CVSS, no affected version list, and a single Bugtraq reference from 1999. Treat any specific claim about vector, offset, or fix as unverified without pulling the original Bugtraq thread and upstream xboard changelogs. Modern xboard is maintained by GNU; check current source for the historical fix.

Mitigation direction

  • Confirm whether any endpoint still runs the legacy xboard FICS client; retire or update if found.
  • Apply current distribution package updates for xboard from the OS vendor's repository.
  • Restrict untrusted network input to legacy desktop game clients on corporate systems.
  • Consult vendor or distribution advisories for guidance, as the CVE record names no specific fix.

Validation and detection

  • Inventory workstations for installed xboard binaries and record versions.
  • Compare installed versions against the current upstream xboard release from GNU.
  • Review the Bugtraq reference to understand the historical bug class before triage.
  • Confirm no production or server systems depend on xboard, which should be desktop-only.
Prepared
Confidence
medium
Sources
3

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

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CVE-1999-0847 mapping review

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

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.

0CVSS vectors
0Timeline events
0ADP providers
2Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/an/an/aListed
Weakness

CWE details

No CWE listed

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.