Buffer overflow in Webalizer 2.01-06, when configured to use reverse DNS lookups, allows…
Priority MEDIUM 40Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- Partial · Partial · Partial
- Fix status
- Fixed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat.
Summary
Buffer overflow in Webalizer 2.01-06, when configured to use reverse DNS lookups, allows remote attackers to execute arbitrary code by connecting to the monitored web server from an IP address that resolves to a long hostname.
Why it matters now
EPSS 0.04416 91st percentileScored 2026-11-07
Fix Fixed Red Hat: 2 advisories
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 2
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:bradford_barrett:webalizer:2.0.1.6:*:*:*:*:*:*:* | 2.0.1.6 | Vulnerable | Bradford Barrett |
| cpe:2.3:a:bradford_barrett:webalizer:2.0.1.9:*:*:*:*:*:*:* | 2.0.1.9 | Vulnerable | Bradford Barrett |
- cpe:2.3:a:bradford_barrett:webalizer:2.0.1.6:*:*:*:*:*:*:* Versions 2.0.1.6 Vulnerable ·Bradford Barrett
- cpe:2.3:a:bradford_barrett:webalizer:2.0.1.9:*:*:*:*:*:*:* Versions 2.0.1.9 Vulnerable ·Bradford Barrett
Remediation
Red Hat 2 advisories
- RHSA-2002:255 Released 2002-12-04 · Red Hat rating Moderatewebalizer security update
- Red Hat Enterprise Linux AS (Advanced Server) version 2.1
- Red Hat Linux Advanced Workstation 2.1
- RHSA-2002:254 Released 2002-12-04 · Red Hat rating Moderate: Updated Webalizer packages fix vulnerability
- Red Hat Linux 7.2
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux AS (Advanced Server) version 2.1 | Fixed | RHSA-2002:255 |
| Red Hat Linux 7.2 | Fixed | RHSA-2002:254 |
| Red Hat Linux Advanced Workstation 2.1 | Fixed | RHSA-2002:255 |
Timeline
- 2026-10-02 Threatist record created from CVE-2002-0180
- 2026-10-03 Alias added: GHSA-wmr9-35rv-fgxw
References
More Bradford Barrett Webalizer vulnerabilities
- TI-2001-00798 Cross-site scripting vulnerability in Webalizer 2.01-06, and possibly other versions… CVSS 2.0HIGH 7.5
Sources
- CVE-2002-0180 · CVE Program
- CVE-2002-0180 · NVD
- FIRST EPSS
- GHSA-wmr9-35rv-fgxw · GitHub Advisory Database · CC BY 4.0
- CVE-2002-0180 · Red Hat security data · CC BY 4.0
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