Buffer overflow in the getnickuserhost function in BNC 2.8.9, and possibly other…
Priority MEDIUM 49Published · 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
- Complete · Complete · Complete
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA.
Summary
Buffer overflow in the getnickuserhost function in BNC 2.8.9, and possibly other versions, allows remote IRC servers to execute arbitrary code via an IRC server response that contains many (1) ! (exclamation) or (2) @ (at sign) characters.
Why it matters now
EPSS 0.03577 89th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
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 · 20
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:bnc:bnc:2.2.4:*:*:*:*:*:*:* | 2.2.4 | Vulnerable | Bnc |
| cpe:2.3:a:bnc:bnc:2.4.6:*:*:*:*:*:*:* | 2.4.6 | Vulnerable | Bnc |
| cpe:2.3:a:bnc:bnc:2.4.8:*:*:*:*:*:*:* | 2.4.8 | Vulnerable | Bnc |
| cpe:2.3:a:bnc:bnc:2.6:*:*:*:*:*:*:* | 2.6 | Vulnerable | Bnc |
| cpe:2.3:a:bnc:bnc:2.6.2:*:*:*:*:*:*:* | 2.6.2 | Vulnerable | Bnc |
| cpe:2.3:a:bnc:bnc:2.6.4:*:*:*:*:*:*:* | 2.6.4 | Vulnerable | Bnc |
| cpe:2.3:a:bnc:bnc:2.8.8:*:*:*:*:*:*:* | 2.8.8 | Vulnerable | Bnc |
| cpe:2.3:a:bnc:bnc:2.8.9:*:*:*:*:*:*:* | 2.8.9 | Vulnerable | Bnc |
| cpe:2.3:o:debian:debian_linux:3.0:*:alpha:*:*:*:*:* | 3.0 | Vulnerable | Debian |
| cpe:2.3:o:debian:debian_linux:3.0:*:arm:*:*:*:*:* | 3.0 | Vulnerable | Debian |
- cpe:2.3:a:bnc:bnc:2.2.4:*:*:*:*:*:*:* Versions 2.2.4 Vulnerable ·Bnc
- cpe:2.3:a:bnc:bnc:2.4.6:*:*:*:*:*:*:* Versions 2.4.6 Vulnerable ·Bnc
- cpe:2.3:a:bnc:bnc:2.4.8:*:*:*:*:*:*:* Versions 2.4.8 Vulnerable ·Bnc
- cpe:2.3:a:bnc:bnc:2.6:*:*:*:*:*:*:* Versions 2.6 Vulnerable ·Bnc
- cpe:2.3:a:bnc:bnc:2.6.2:*:*:*:*:*:*:* Versions 2.6.2 Vulnerable ·Bnc
- cpe:2.3:a:bnc:bnc:2.6.4:*:*:*:*:*:*:* Versions 2.6.4 Vulnerable ·Bnc
- cpe:2.3:a:bnc:bnc:2.8.8:*:*:*:*:*:*:* Versions 2.8.8 Vulnerable ·Bnc
- cpe:2.3:a:bnc:bnc:2.8.9:*:*:*:*:*:*:* Versions 2.8.9 Vulnerable ·Bnc
- cpe:2.3:o:debian:debian_linux:3.0:*:alpha:*:*:*:*:* Versions 3.0 Vulnerable ·Debian
- cpe:2.3:o:debian:debian_linux:3.0:*:arm:*:*:*:*:* Versions 3.0 Vulnerable ·Debian
Show 10 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:debian:debian_linux:3.0:*:hppa:*:*:*:*:* | 3.0 | Vulnerable | Debian |
| cpe:2.3:o:debian:debian_linux:3.0:*:ia-32:*:*:*:*:* | 3.0 | Vulnerable | Debian |
| cpe:2.3:o:debian:debian_linux:3.0:*:ia-64:*:*:*:*:* | 3.0 | Vulnerable | Debian |
| cpe:2.3:o:debian:debian_linux:3.0:*:m68k:*:*:*:*:* | 3.0 | Vulnerable | Debian |
| cpe:2.3:o:debian:debian_linux:3.0:*:mips:*:*:*:*:* | 3.0 | Vulnerable | Debian |
| cpe:2.3:o:debian:debian_linux:3.0:*:mipsel:*:*:*:*:* | 3.0 | Vulnerable | Debian |
| cpe:2.3:o:debian:debian_linux:3.0:*:ppc:*:*:*:*:* | 3.0 | Vulnerable | Debian |
| cpe:2.3:o:debian:debian_linux:3.0:*:s-390:*:*:*:*:* | 3.0 | Vulnerable | Debian |
| cpe:2.3:o:debian:debian_linux:3.0:*:sparc:*:*:*:*:* | 3.0 | Vulnerable | Debian |
| cpe:2.3:o:gentoo:linux:*:*:*:*:*:*:*:* | all versions | Vulnerable | gentoo |
- cpe:2.3:o:debian:debian_linux:3.0:*:hppa:*:*:*:*:* Versions 3.0 Vulnerable ·Debian
- cpe:2.3:o:debian:debian_linux:3.0:*:ia-32:*:*:*:*:* Versions 3.0 Vulnerable ·Debian
- cpe:2.3:o:debian:debian_linux:3.0:*:ia-64:*:*:*:*:* Versions 3.0 Vulnerable ·Debian
- cpe:2.3:o:debian:debian_linux:3.0:*:m68k:*:*:*:*:* Versions 3.0 Vulnerable ·Debian
- cpe:2.3:o:debian:debian_linux:3.0:*:mips:*:*:*:*:* Versions 3.0 Vulnerable ·Debian
- cpe:2.3:o:debian:debian_linux:3.0:*:mipsel:*:*:*:*:* Versions 3.0 Vulnerable ·Debian
- cpe:2.3:o:debian:debian_linux:3.0:*:ppc:*:*:*:*:* Versions 3.0 Vulnerable ·Debian
- cpe:2.3:o:debian:debian_linux:3.0:*:s-390:*:*:*:*:* Versions 3.0 Vulnerable ·Debian
- cpe:2.3:o:debian:debian_linux:3.0:*:sparc:*:*:*:*:* Versions 3.0 Vulnerable ·Debian
- cpe:2.3:o:gentoo:linux:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·gentoo
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2004-1052
- 2026-10-03 Alias added: GHSA-6gv9-vjjv-fg5m
References
Sources
- CVE-2004-1052 · CVE Program
- CVE-2004-1052 · NVD
- FIRST EPSS
- GHSA-6gv9-vjjv-fg5m · GitHub Advisory Database · CC BY 4.0
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