CVE-1999-0835

CRITICAL

Denial of service in BIND named via malformed SIG records.

Affects 4 products across 3 vendors.

CVSS 2.010.0
EPSS1.5%
Percentile73th
PatchUnknown
CVSS Vector — Plain English Remotely exploitable over the network, low complexity.
◆ AI Analysis — automated analysis, not human-reviewed

This vulnerability was disclosed in 1999. A critical vulnerability affects Ibm systems (CVE-1999-0835). No public exploit code is currently available. Isolate affected systems if patching is not feasible.

BSID: BS-1999-GLOBAL-349918-C • Model: rule-based-v1 • Confidence: MEDIUM

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-1999-0835?
This vulnerability was disclosed in 1999. A critical vulnerability affects Ibm systems (CVE-1999-0835). No public exploit code is currently available. Isolate affected systems if patching is not feasible.
What is the CVSS score for CVE-1999-0835?
CVE-1999-0835 has CVSS 10.0 (Critical). Vector: AV:N/AC:L/Au:N/C:C/I:C/A:C. EPSS: 1.5%.
Is CVE-1999-0835 actively exploited?
No confirmed active exploitation of CVE-1999-0835 as of 2026-05-30.
How do I remediate CVE-1999-0835?
Priority: MEDIUM.
What systems are affected by CVE-1999-0835?
CVE-1999-0835 affects Ibm Aix; Sco Openserver, Unixware; Sun Sunos.
Vulnerability Details
CVE IDCVE-1999-0835
BSIDBS-1999-GLOBAL-349918-C BreachSpider Global ID
CVSS VectorAV:N/AC:L/Au:N/C:C/I:C/A:C
Published1999-11-10
Last Modified2026-04-16
ICS Relevance0%
SourceNVD
Official Description

Denial of service in BIND named via malformed SIG records.

Source: NIST NVD / MITRE CVE Database

Attack Vector Analysis — CITED Relevance

Vulnerability details: Denial of service in BIND named via malformed SIG records. CVSS vector: AV:N/AC:L/Au:N/C:C/I:C/A:C.

Exploitation Likelihood: LOW

Affected Products
VendorProductAffected Versions
Ibm Aix 4.3
Sco Openserver 5
Sco Unixware 2 7
Sun Sunos 5.7
Remediation

No official vendor advisory link on record. See the CVE record →

Threat Intelligence
● Threat Intelligence Validated: October 2026 | Threat Age: 9844 Days
CISA known-exploitedNot in KEV catalog
Public ExploitNot confirmed
PoC CodeNot confirmed
AI Enrichment Record — provenance & audit hash
Modelrule-based-v1
ConfidenceMEDIUM
Enriched At2026-05-24
SHA-512 Audit Hashf84192afe95e278629d29b4fb9151947cbda9a680cddff6d228cf9cc8f7802bceeacd5a9298bb63ea04beefe428652db0f563fc980e8067d1e4861ea065e305d
Related CVEs affecting Ibm
CVE-1999-0099 10.0 Buffer overflow in syslog utility allows local or remote attackers to gain ro... CVE-1999-0088 10.0 IRIX and AIX automountd services (autofsd) allow remote users to execute root... CVE-2000-0848 10.0 Buffer overflow in IBM WebSphere web application server (WAS) allows remote a... CVE-2002-0743 10.0 mail and mailx in AIX 4.3.3 core dump when called with a very long argument, ... CVE-1999-1119 10.0 FTP installation script anon.ftp in AIX insecurely configures anonymous FTP, ...
View all Ibm 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.

Create a free account →