Buffer overflow in the frm command in elm 2.5.6 and earlier, and possibly later versions…
Priority LOW 39Published · 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 the frm command in elm 2.5.6 and earlier, and possibly later versions, allows remote attackers to execute arbitrary code via a long Subject line.
Why it matters now
EPSS 0.03257 88th percentileScored 2026-11-07
Fix Fixed Red Hat: 1 advisory
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 · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:elm_development_group:elm:*:*:*:*:*:*:*:* | up to 2.5.6 | Vulnerable | Elm Development Group |
- cpe:2.3:a:elm_development_group:elm:*:*:*:*:*:*:*:* Versions up to 2.5.6 Vulnerable ·Elm Development Group
Remediation
Red Hat 1 advisory
- RHSA-2004:009 Released 2004-01-14 · Red Hat rating Importantelm security update
- Red Hat Enterprise Linux AS (Advanced Server) version 2.1
- Red Hat Linux Advanced Workstation 2.1
Vendor assessments
Red Hat
Red Hat rating: Important. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux AS (Advanced Server) version 2.1 | Fixed | RHSA-2004:009 |
| Red Hat Linux Advanced Workstation 2.1 | Fixed | RHSA-2004:009 |
Timeline
- 2026-10-02 Threatist record created from CVE-2003-0966
- 2026-10-03 Alias added: GHSA-r225-pcvh-8cpq
References
More Elm Development Group Elm vulnerabilities
- TI-2005-02529 Stack-based buffer overflow in expires.c in Elm 2.5 PL5 through PL7, and possibly other… CVSS 2.0HIGH 7.5
- TI-2001-01127 Buffer overflow in Elm 2.5.5 and earlier allows remote attackers to execute arbitrary code via a long Message-ID header. CVSS 2.0HIGH 7.5
- TI-1999-01281 Multiple buffer overflows in filter command in Elm 2.4 allows attackers to execute… CVSS 2.0HIGH 7.5
- TI-2003-01223 Elm ME+ 2.4 before PL109S, when installed setgid mail and the operating system lacks… CVSS 2.0MEDIUM 6.8
- TI-1999-00112 Local users can execute commands as other users, and read other users' files, through the… CVSS 2.0MEDIUM 4.6
- TI-1999-01132 Buffer overflow in Elm 2.4 and earlier allows local users to gain privileges via a long TERM environmental variable. CVSS 2.0MEDIUM 4.6
Sources
- CVE-2003-0966 · CVE Program
- CVE-2003-0966 · NVD
- FIRST EPSS
- GHSA-r225-pcvh-8cpq · GitHub Advisory Database · CC BY 4.0
- CVE-2003-0966 · Red Hat security data · CC BY 4.0
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