CVE-2001-0233

CRITICAL ⚠ Exploit

Buffer overflow in micq client 0.4.6 and earlier allows remote attackers to cause a denial of service, and possibly execute arbitrary commands, via a long Description field.

Affects 3 products across 3 vendors.

BCS8.89
CVSS 2.010.0
EPSS14.6%
Percentile96th
PatchPatched
CVSS Vector — Plain English Remotely exploitable over the network, low complexity.
◆ SAGE Intelligence — CITED Relevance Research Team

A buffer overflow vulnerability in micq client versions 0.4.6 and earlier can be exploited by remote attackers to cause a denial of service and potentially execute arbitrary commands through a long Description field.

BSID: BS-2001-GLOBAL-159065-C • Model: /workspace/models/qwen2.5-coder-32b-instruct-bf16 • Confidence: HIGH

Is this CVE in your environment?

BreachSpider monitors your ICS/OT environment for vulnerabilities like this one. No agents or network access required. Free to start.

Check My Environment →
Frequently Asked Questions
What is CVE-2001-0233?
A buffer overflow vulnerability in micq client versions 0.4.6 and earlier can be exploited by remote attackers to cause a denial of service and potentially execute arbitrary commands through a long Description field.
What is the CVSS score for CVE-2001-0233?
CVE-2001-0233 has CVSS 10.0 (Critical). Vector: AV:N/AC:L/Au:N/C:C/I:C/A:C. EPSS: 14.6%.
Is CVE-2001-0233 actively exploited?
Public exploit available for CVE-2001-0233. Exploitation risk elevated.
How do I remediate CVE-2001-0233?
Priority: IMMEDIATE. Advisory: ftp://ftp.FreeBSD.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-01:14.micq.asc PSIRT: [email protected]
What systems are affected by CVE-2001-0233?
CVE-2001-0233 affects: Debian, Matthew Smith, Redhat.
Vulnerability Details
CVE IDCVE-2001-0233
BSIDBS-2001-GLOBAL-159065-C BreachSpider Global ID
CVSS VectorAV:N/AC:L/Au:N/C:C/I:C/A:C
Published2001-03-26
Last Modified2026-04-16
ICS Relevance0%
SourceNVD
Official Description

Buffer overflow in micq client 0.4.6 and earlier allows remote attackers to cause a denial of service, and possibly execute arbitrary commands, via a long Description field.

Source: NIST NVD / MITRE CVE Database

Attack Vector Analysis — CITED Relevance

The vulnerability is triggered by sending a specially crafted message with an excessively long Description field to the micq client. This can lead to a buffer overflow, allowing the attacker to execute arbitrary code with the privileges of the micq client process.

Exploitation Likelihood: CRITICAL

Affected Products
VendorProductFixed Version
Debian Debian Linux
Matthew Smith Micq
Redhat Linux
Remediation
View Vendor Advisory →

Remediation Priority: IMMEDIATE

Vendor PSIRT: [email protected]
Threat Intelligence
● Threat Intelligence Validated: July 2026 | Threat Age: 9246 Days
CISA KEVNot in KEV catalog
Public Exploit⚠ AvailableReference
PoC CodeNot confirmed
SAGE Enrichment Record — provenance & audit hash
Model/workspace/models/qwen2.5-coder-32b-instruct-bf16
ConfidenceHIGH
Enriched At2026-05-24
Related CVEs affecting Debian
CVE-1999-0698 10.0 Denial of service in IP protocol logger (ippl) on Red Hat and Debian Linux. CVE-2003-0648 10.0 Multiple buffer overflows in vfte, based on FTE, before 0.50, allow local use... CVE-2003-0098 10.0 Unknown vulnerability in apcupsd before 3.8.6, and 3.10.x before 3.10.5, allo... CVE-2004-0964 10.0 Buffer overflow in Zinf 2.2.1 on Windows, and other older versions for Linux,... CVE-2004-0980 10.0 Format string vulnerability in ez-ipupdate.c for ez-ipupdate 3.0.10 through 3...
View all Debian CVEs →

Critical Severity - Know Your Exposure

A CVSS 10.0 vulnerability in your ICS environment cannot wait. BreachSpider maps critical CVEs to your specific assets and tells you what to fix first.

Check Your Assets Free →