CVE-1999-0042

CRITICAL ⚠ Exploit

Buffer overflow in University of Washington's implementation of IMAP and POP servers.

Affects 6 products across 5 vendors.

BCS8.81
CVSS 2.010.0
EPSS12.8%
Percentile96th
PatchUnknown
CVSS Vector — Plain English Remotely exploitable over the network, low complexity.
◆ SAGE Intelligence — CITED Relevance Research Team

A critical buffer overflow vulnerability exists in the University of Washington's implementation of IMAP and POP servers, which could allow an attacker to execute arbitrary code with the privileges of the server.

BSID: BS-1997-GLOBAL-159023-C • Model: /workspace/models/qwen2.5-coder-32b-instruct-bf16 • Confidence: HIGH

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Frequently Asked Questions
What is CVE-1999-0042?
A critical buffer overflow vulnerability exists in the University of Washington's implementation of IMAP and POP servers, which could allow an attacker to execute arbitrary code with the privileges of the server.
What is the CVSS score for CVE-1999-0042?
CVE-1999-0042 has CVSS 10.0 (Critical). Vector: AV:N/AC:L/Au:N/C:C/I:C/A:C. EPSS: 12.8%.
Is CVE-1999-0042 actively exploited?
Public exploit available for CVE-1999-0042. Exploitation risk elevated.
How do I remediate CVE-1999-0042?
Priority: IMMEDIATE.
What systems are affected by CVE-1999-0042?
CVE-1999-0042 affects: Bsdi, Caldera, Ibm, Redhat, University Of Washington, University Of Washington.
Vulnerability Details
CVE IDCVE-1999-0042
BSIDBS-1997-GLOBAL-159023-C BreachSpider Global ID
CVSS VectorAV:N/AC:L/Au:N/C:C/I:C/A:C
Published1997-04-07
Last Modified2026-04-16
ICS Relevance0%
SourceNVD
Official Description

Buffer overflow in University of Washington's implementation of IMAP and POP servers.

Source: NIST NVD / MITRE CVE Database

Attack Vector Analysis — CITED Relevance

The vulnerability is triggered by sending a specially crafted command to the IMAP or POP server, which can cause a buffer overflow. This can lead to a crash of the server or, more seriously, allow an attacker to execute arbitrary code.

Exploitation Likelihood: CRITICAL

Affected Products
VendorProductFixed Version
Bsdi Bsd Os —
Caldera Openlinux —
Ibm Aix —
Redhat Linux —
University Of Washington Imap —
University Of Washington Pop —
Remediation

No patch URL on record. Monitor vendor security advisories directly.

Threat Intelligence
● Threat Intelligence Validated: July 2026 | Threat Age: 10696 Days
CISA KEVNot in KEV catalog
Public Exploit⚠ Available — Reference
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 Bsdi
CVE-1999-0165 10.0 NFS cache poisoning. CVE-1999-0046 10.0 Buffer overflow of rlogin program using TERM environmental variable. CVE-1999-0099 10.0 Buffer overflow in syslog utility allows local or remote attackers to gain ro... CVE-1999-0047 10.0 MIME conversion buffer overflow in sendmail versions 8.8.3 and 8.8.4. CVE-1999-0323 10.0 FreeBSD mmap function allows users to modify append-only or immutable files.
View all Bsdi CVEs →

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