Stack-based buffer overflow in expires.c in Elm 2.5 PL5 through PL7, 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
- Partial · Partial · Partial
- Fix status
- Fixed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat.
Summary
Stack-based buffer overflow in expires.c in Elm 2.5 PL5 through PL7, and possibly other versions, allows remote attackers to execute arbitrary code via an e-mail message with a long Expires header.
Why it matters now
EPSS 0.15256 96th 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 · 3
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:elm_development_group:elm:2.5_pl5:*:*:*:*:*:*:* | 2.5_pl5 | Vulnerable | Elm Development Group |
| cpe:2.3:a:elm_development_group:elm:2.5_pl6:*:*:*:*:*:*:* | 2.5_pl6 | Vulnerable | Elm Development Group |
| cpe:2.3:a:elm_development_group:elm:2.5_pl7:*:*:*:*:*:*:* | 2.5_pl7 | Vulnerable | Elm Development Group |
- cpe:2.3:a:elm_development_group:elm:2.5_pl5:*:*:*:*:*:*:* Versions 2.5_pl5 Vulnerable ·Elm Development Group
- cpe:2.3:a:elm_development_group:elm:2.5_pl6:*:*:*:*:*:*:* Versions 2.5_pl6 Vulnerable ·Elm Development Group
- cpe:2.3:a:elm_development_group:elm:2.5_pl7:*:*:*:*:*:*:* Versions 2.5_pl7 Vulnerable ·Elm Development Group
Remediation
Red Hat 1 advisory
- RHSA-2005:755 Released 2005-08-23 · Red Hat rating Criticalelm 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: Critical. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux AS (Advanced Server) version 2.1 | Fixed | RHSA-2005:755 |
| Red Hat Linux Advanced Workstation 2.1 | Fixed | RHSA-2005:755 |
Timeline
- 2026-10-02 Threatist record created from CVE-2005-2665
- 2026-10-03 Alias added: GHSA-5mm7-3qq4-v6fr
References
More Elm Development Group Elm vulnerabilities
- 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-2003-00872 Buffer overflow in the frm command in elm 2.5.6 and earlier, and possibly later versions… 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-2005-2665 · CVE Program
- CVE-2005-2665 · NVD
- FIRST EPSS
- GHSA-5mm7-3qq4-v6fr · GitHub Advisory Database · CC BY 4.0
- CVE-2005-2665 · Red Hat security data · CC BY 4.0
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