Buffer overflow in mhshow in the Linux nmh package allows remote attackers to execute…
Priority LOW 38Published · 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
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA.
Summary
Buffer overflow in mhshow in the Linux nmh package allows remote attackers to execute commands via malformed MIME headers in an email message.
Why it matters now
EPSS 0.03014 87th 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 · 14
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:nmh:nmh:1.0.2:*:*:*:*:*:*:* | 1.0.2 | Vulnerable | Nmh |
| cpe:2.3:o:redhat:linux:5.2:*:alpha:*:*:*:*:* | 5.2 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:linux:5.2:*:i386:*:*:*:*:* | 5.2 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:linux:5.2:*:sparc:*:*:*:*:* | 5.2 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:linux:6.0:*:alpha:*:*:*:*:* | 6.0 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:linux:6.0:*:i386:*:*:*:*:* | 6.0 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:linux:6.0:*:sparc:*:*:*:*:* | 6.0 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:linux:6.1:*:alpha:*:*:*:*:* | 6.1 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:linux:6.1:*:i386:*:*:*:*:* | 6.1 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:linux:6.1:*:sparc:*:*:*:*:* | 6.1 | Vulnerable | Red Hat |
- cpe:2.3:a:nmh:nmh:1.0.2:*:*:*:*:*:*:* Versions 1.0.2 Vulnerable ·Nmh
- cpe:2.3:o:redhat:linux:5.2:*:alpha:*:*:*:*:* Versions 5.2 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:linux:5.2:*:i386:*:*:*:*:* Versions 5.2 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:linux:5.2:*:sparc:*:*:*:*:* Versions 5.2 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:linux:6.0:*:alpha:*:*:*:*:* Versions 6.0 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:linux:6.0:*:i386:*:*:*:*:* Versions 6.0 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:linux:6.0:*:sparc:*:*:*:*:* Versions 6.0 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:linux:6.1:*:alpha:*:*:*:*:* Versions 6.1 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:linux:6.1:*:i386:*:*:*:*:* Versions 6.1 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:linux:6.1:*:sparc:*:*:*:*:* Versions 6.1 Vulnerable ·Red Hat
Show 4 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:turbolinux:turbolinux:3.5b2:*:*:*:*:*:*:* | 3.5b2 | Vulnerable | Turbolinux |
| cpe:2.3:o:turbolinux:turbolinux:4.2:*:*:*:*:*:*:* | 4.2 | Vulnerable | Turbolinux |
| cpe:2.3:o:turbolinux:turbolinux:4.4:*:*:*:*:*:*:* | 4.4 | Vulnerable | Turbolinux |
| cpe:2.3:o:turbolinux:turbolinux:6.0.2:*:*:*:*:*:*:* | 6.0.2 | Vulnerable | Turbolinux |
- cpe:2.3:o:turbolinux:turbolinux:3.5b2:*:*:*:*:*:*:* Versions 3.5b2 Vulnerable ·Turbolinux
- cpe:2.3:o:turbolinux:turbolinux:4.2:*:*:*:*:*:*:* Versions 4.2 Vulnerable ·Turbolinux
- cpe:2.3:o:turbolinux:turbolinux:4.4:*:*:*:*:*:*:* Versions 4.4 Vulnerable ·Turbolinux
- cpe:2.3:o:turbolinux:turbolinux:6.0.2:*:*:*:*:*:*:* Versions 6.0.2 Vulnerable ·Turbolinux
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2000-0196
- 2026-10-03 Alias added: GHSA-vj6m-3fq9-gmmh
References
Advisory 1
Sources
- CVE-2000-0196 · CVE Program
- CVE-2000-0196 · NVD
- FIRST EPSS
- GHSA-vj6m-3fq9-gmmh · GitHub Advisory Database · CC BY 4.0
- CVE-2000-0196 · Red Hat security data · CC BY 4.0
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