Heap-based buffer overflow in Sendmail before 8.13.2 allows remote attackers to cause a…
Priority LOW 37CWE-119Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · Partial
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-119 and the CVSS impact.
Summary
Heap-based buffer overflow in Sendmail before 8.13.2 allows remote attackers to cause a denial of service (daemon crash) and possibly execute arbitrary code via a long X- header, as demonstrated by an X-Testing header.
Why it matters now
EPSS 0.12614 96th 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 · 60
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:sendmail:sendmail:*:*:*:*:*:*:*:* | up to 8.13.1.2 | Vulnerable | Sendmail |
| cpe:2.3:a:sendmail:sendmail:2.6:*:*:*:*:*:*:* | 2.6 | Vulnerable | Sendmail |
| cpe:2.3:a:sendmail:sendmail:2.6:*:nt:*:*:*:*:* | 2.6 | Vulnerable | Sendmail |
| cpe:2.3:a:sendmail:sendmail:2.6.1:*:*:*:*:*:*:* | 2.6.1 | Vulnerable | Sendmail |
| cpe:2.3:a:sendmail:sendmail:2.6.1:*:nt:*:*:*:*:* | 2.6.1 | Vulnerable | Sendmail |
| cpe:2.3:a:sendmail:sendmail:2.6.2:*:*:*:*:*:*:* | 2.6.2 | Vulnerable | Sendmail |
| cpe:2.3:a:sendmail:sendmail:3.0:*:*:*:*:*:*:* | 3.0 | Vulnerable | Sendmail |
| cpe:2.3:a:sendmail:sendmail:3.0:*:nt:*:*:*:*:* | 3.0 | Vulnerable | Sendmail |
| cpe:2.3:a:sendmail:sendmail:3.0.1:*:*:*:*:*:*:* | 3.0.1 | Vulnerable | Sendmail |
| cpe:2.3:a:sendmail:sendmail:3.0.1:*:nt:*:*:*:*:* | 3.0.1 | Vulnerable | Sendmail |
- cpe:2.3:a:sendmail:sendmail:*:*:*:*:*:*:*:* Versions up to 8.13.1.2 Vulnerable ·Sendmail
- cpe:2.3:a:sendmail:sendmail:2.6:*:*:*:*:*:*:* Versions 2.6 Vulnerable ·Sendmail
- cpe:2.3:a:sendmail:sendmail:2.6:*:nt:*:*:*:*:* Versions 2.6 Vulnerable ·Sendmail
- cpe:2.3:a:sendmail:sendmail:2.6.1:*:*:*:*:*:*:* Versions 2.6.1 Vulnerable ·Sendmail
- cpe:2.3:a:sendmail:sendmail:2.6.1:*:nt:*:*:*:*:* Versions 2.6.1 Vulnerable ·Sendmail
- cpe:2.3:a:sendmail:sendmail:2.6.2:*:*:*:*:*:*:* Versions 2.6.2 Vulnerable ·Sendmail
- cpe:2.3:a:sendmail:sendmail:3.0:*:*:*:*:*:*:* Versions 3.0 Vulnerable ·Sendmail
- cpe:2.3:a:sendmail:sendmail:3.0:*:nt:*:*:*:*:* Versions 3.0 Vulnerable ·Sendmail
- cpe:2.3:a:sendmail:sendmail:3.0.1:*:*:*:*:*:*:* Versions 3.0.1 Vulnerable ·Sendmail
- cpe:2.3:a:sendmail:sendmail:3.0.1:*:nt:*:*:*:*:* Versions 3.0.1 Vulnerable ·Sendmail
Show 50 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:sendmail:sendmail:3.0.2:*:*:*:*:*:*:* | 3.0.2 | Vulnerable | Sendmail |
| cpe:2.3:a:sendmail:sendmail:3.0.2:*:nt:*:*:*:*:* | 3.0.2 | Vulnerable | Sendmail |
| cpe:2.3:a:sendmail:sendmail:3.0.3:*:*:*:*:*:*:* | 3.0.3 | Vulnerable | Sendmail |
| cpe:2.3:a:sendmail:sendmail:4.1:*:*:*:*:*:*:* | 4.1 | Vulnerable | Sendmail |
| cpe:2.3:a:sendmail:sendmail:4.55:*:*:*:*:*:*:* | 4.55 | Vulnerable | Sendmail |
| cpe:2.3:a:sendmail:sendmail:5:*:*:*:*:*:*:* | 5 | Vulnerable | Sendmail |
| cpe:2.3:a:sendmail:sendmail:5.59:*:*:*:*:*:*:* | 5.59 | Vulnerable | Sendmail |
| cpe:2.3:a:sendmail:sendmail:5.61:*:*:*:*:*:*:* | 5.61 | Vulnerable | Sendmail |
| cpe:2.3:a:sendmail:sendmail:5.65:*:*:*:*:*:*:* | 5.65 | Vulnerable | Sendmail |
| cpe:2.3:a:sendmail:sendmail:8.6.7:*:*:*:*:*:*:* | 8.6.7 | Vulnerable | Sendmail |
| cpe:2.3:a:sendmail:sendmail:8.7.6:*:*:*:*:*:*:* | 8.7.6 | Vulnerable | Sendmail |
| cpe:2.3:a:sendmail:sendmail:8.7.7:*:*:*:*:*:*:* | 8.7.7 | Vulnerable | Sendmail |
| cpe:2.3:a:sendmail:sendmail:8.7.8:*:*:*:*:*:*:* | 8.7.8 | Vulnerable | Sendmail |
| cpe:2.3:a:sendmail:sendmail:8.7.9:*:*:*:*:*:*:* | 8.7.9 | Vulnerable | Sendmail |
| cpe:2.3:a:sendmail:sendmail:8.7.10:*:*:*:*:*:*:* | 8.7.10 | Vulnerable | Sendmail |
| cpe:2.3:a:sendmail:sendmail:8.8.8:*:*:*:*:*:*:* | 8.8.8 | Vulnerable | Sendmail |
| cpe:2.3:a:sendmail:sendmail:8.9.0:*:*:*:*:*:*:* | 8.9.0 | Vulnerable | Sendmail |
| cpe:2.3:a:sendmail:sendmail:8.9.1:*:*:*:*:*:*:* | 8.9.1 | Vulnerable | Sendmail |
| cpe:2.3:a:sendmail:sendmail:8.9.2:*:*:*:*:*:*:* | 8.9.2 | Vulnerable | Sendmail |
| cpe:2.3:a:sendmail:sendmail:8.9.3:*:*:*:*:*:*:* | 8.9.3 | Vulnerable | Sendmail |
| cpe:2.3:a:sendmail:sendmail:8.10:*:*:*:*:*:*:* | 8.10 | Vulnerable | Sendmail |
| cpe:2.3:a:sendmail:sendmail:8.10.0:*:*:*:*:*:*:* | 8.10.0 | Vulnerable | Sendmail |
| cpe:2.3:a:sendmail:sendmail:8.10.1:*:*:*:*:*:*:* | 8.10.1 | Vulnerable | Sendmail |
| cpe:2.3:a:sendmail:sendmail:8.10.2:*:*:*:*:*:*:* | 8.10.2 | Vulnerable | Sendmail |
| cpe:2.3:a:sendmail:sendmail:8.11.0:*:*:*:*:*:*:* | 8.11.0 | Vulnerable | Sendmail |
| cpe:2.3:a:sendmail:sendmail:8.11.1:*:*:*:*:*:*:* | 8.11.1 | Vulnerable | Sendmail |
| cpe:2.3:a:sendmail:sendmail:8.11.2:*:*:*:*:*:*:* | 8.11.2 | Vulnerable | Sendmail |
| cpe:2.3:a:sendmail:sendmail:8.11.3:*:*:*:*:*:*:* | 8.11.3 | Vulnerable | Sendmail |
| cpe:2.3:a:sendmail:sendmail:8.11.4:*:*:*:*:*:*:* | 8.11.4 | Vulnerable | Sendmail |
| cpe:2.3:a:sendmail:sendmail:8.11.5:*:*:*:*:*:*:* | 8.11.5 | Vulnerable | Sendmail |
| cpe:2.3:a:sendmail:sendmail:8.11.6:*:*:*:*:*:*:* | 8.11.6 | Vulnerable | Sendmail |
| cpe:2.3:a:sendmail:sendmail:8.11.7:*:*:*:*:*:*:* | 8.11.7 | Vulnerable | Sendmail |
| cpe:2.3:a:sendmail:sendmail:8.12:beta10:*:*:*:*:*:* | 8.12 beta10 | Vulnerable | Sendmail |
| cpe:2.3:a:sendmail:sendmail:8.12:beta12:*:*:*:*:*:* | 8.12 beta12 | Vulnerable | Sendmail |
| cpe:2.3:a:sendmail:sendmail:8.12:beta16:*:*:*:*:*:* | 8.12 beta16 | Vulnerable | Sendmail |
| cpe:2.3:a:sendmail:sendmail:8.12:beta5:*:*:*:*:*:* | 8.12 beta5 | Vulnerable | Sendmail |
| cpe:2.3:a:sendmail:sendmail:8.12:beta7:*:*:*:*:*:* | 8.12 beta7 | Vulnerable | Sendmail |
| cpe:2.3:a:sendmail:sendmail:8.12.0:*:*:*:*:*:*:* | 8.12.0 | Vulnerable | Sendmail |
| cpe:2.3:a:sendmail:sendmail:8.12.1:*:*:*:*:*:*:* | 8.12.1 | Vulnerable | Sendmail |
| cpe:2.3:a:sendmail:sendmail:8.12.2:*:*:*:*:*:*:* | 8.12.2 | Vulnerable | Sendmail |
| cpe:2.3:a:sendmail:sendmail:8.12.3:*:*:*:*:*:*:* | 8.12.3 | Vulnerable | Sendmail |
| cpe:2.3:a:sendmail:sendmail:8.12.4:*:*:*:*:*:*:* | 8.12.4 | Vulnerable | Sendmail |
| cpe:2.3:a:sendmail:sendmail:8.12.5:*:*:*:*:*:*:* | 8.12.5 | Vulnerable | Sendmail |
| cpe:2.3:a:sendmail:sendmail:8.12.6:*:*:*:*:*:*:* | 8.12.6 | Vulnerable | Sendmail |
| cpe:2.3:a:sendmail:sendmail:8.12.7:*:*:*:*:*:*:* | 8.12.7 | Vulnerable | Sendmail |
| cpe:2.3:a:sendmail:sendmail:8.12.8:*:*:*:*:*:*:* | 8.12.8 | Vulnerable | Sendmail |
| cpe:2.3:a:sendmail:sendmail:8.12.9:*:*:*:*:*:*:* | 8.12.9 | Vulnerable | Sendmail |
| cpe:2.3:a:sendmail:sendmail:8.12.10:*:*:*:*:*:*:* | 8.12.10 | Vulnerable | Sendmail |
| cpe:2.3:a:sendmail:sendmail:8.12.11:*:*:*:*:*:*:* | 8.12.11 | Vulnerable | Sendmail |
| cpe:2.3:a:sendmail:sendmail:8.13.0:*:*:*:*:*:*:* | 8.13.0 | Vulnerable | Sendmail |
- cpe:2.3:a:sendmail:sendmail:3.0.2:*:*:*:*:*:*:* Versions 3.0.2 Vulnerable ·Sendmail
- cpe:2.3:a:sendmail:sendmail:3.0.2:*:nt:*:*:*:*:* Versions 3.0.2 Vulnerable ·Sendmail
- cpe:2.3:a:sendmail:sendmail:3.0.3:*:*:*:*:*:*:* Versions 3.0.3 Vulnerable ·Sendmail
- cpe:2.3:a:sendmail:sendmail:4.1:*:*:*:*:*:*:* Versions 4.1 Vulnerable ·Sendmail
- cpe:2.3:a:sendmail:sendmail:4.55:*:*:*:*:*:*:* Versions 4.55 Vulnerable ·Sendmail
- cpe:2.3:a:sendmail:sendmail:5:*:*:*:*:*:*:* Versions 5 Vulnerable ·Sendmail
- cpe:2.3:a:sendmail:sendmail:5.59:*:*:*:*:*:*:* Versions 5.59 Vulnerable ·Sendmail
- cpe:2.3:a:sendmail:sendmail:5.61:*:*:*:*:*:*:* Versions 5.61 Vulnerable ·Sendmail
- cpe:2.3:a:sendmail:sendmail:5.65:*:*:*:*:*:*:* Versions 5.65 Vulnerable ·Sendmail
- cpe:2.3:a:sendmail:sendmail:8.6.7:*:*:*:*:*:*:* Versions 8.6.7 Vulnerable ·Sendmail
- cpe:2.3:a:sendmail:sendmail:8.7.6:*:*:*:*:*:*:* Versions 8.7.6 Vulnerable ·Sendmail
- cpe:2.3:a:sendmail:sendmail:8.7.7:*:*:*:*:*:*:* Versions 8.7.7 Vulnerable ·Sendmail
- cpe:2.3:a:sendmail:sendmail:8.7.8:*:*:*:*:*:*:* Versions 8.7.8 Vulnerable ·Sendmail
- cpe:2.3:a:sendmail:sendmail:8.7.9:*:*:*:*:*:*:* Versions 8.7.9 Vulnerable ·Sendmail
- cpe:2.3:a:sendmail:sendmail:8.7.10:*:*:*:*:*:*:* Versions 8.7.10 Vulnerable ·Sendmail
- cpe:2.3:a:sendmail:sendmail:8.8.8:*:*:*:*:*:*:* Versions 8.8.8 Vulnerable ·Sendmail
- cpe:2.3:a:sendmail:sendmail:8.9.0:*:*:*:*:*:*:* Versions 8.9.0 Vulnerable ·Sendmail
- cpe:2.3:a:sendmail:sendmail:8.9.1:*:*:*:*:*:*:* Versions 8.9.1 Vulnerable ·Sendmail
- cpe:2.3:a:sendmail:sendmail:8.9.2:*:*:*:*:*:*:* Versions 8.9.2 Vulnerable ·Sendmail
- cpe:2.3:a:sendmail:sendmail:8.9.3:*:*:*:*:*:*:* Versions 8.9.3 Vulnerable ·Sendmail
- cpe:2.3:a:sendmail:sendmail:8.10:*:*:*:*:*:*:* Versions 8.10 Vulnerable ·Sendmail
- cpe:2.3:a:sendmail:sendmail:8.10.0:*:*:*:*:*:*:* Versions 8.10.0 Vulnerable ·Sendmail
- cpe:2.3:a:sendmail:sendmail:8.10.1:*:*:*:*:*:*:* Versions 8.10.1 Vulnerable ·Sendmail
- cpe:2.3:a:sendmail:sendmail:8.10.2:*:*:*:*:*:*:* Versions 8.10.2 Vulnerable ·Sendmail
- cpe:2.3:a:sendmail:sendmail:8.11.0:*:*:*:*:*:*:* Versions 8.11.0 Vulnerable ·Sendmail
- cpe:2.3:a:sendmail:sendmail:8.11.1:*:*:*:*:*:*:* Versions 8.11.1 Vulnerable ·Sendmail
- cpe:2.3:a:sendmail:sendmail:8.11.2:*:*:*:*:*:*:* Versions 8.11.2 Vulnerable ·Sendmail
- cpe:2.3:a:sendmail:sendmail:8.11.3:*:*:*:*:*:*:* Versions 8.11.3 Vulnerable ·Sendmail
- cpe:2.3:a:sendmail:sendmail:8.11.4:*:*:*:*:*:*:* Versions 8.11.4 Vulnerable ·Sendmail
- cpe:2.3:a:sendmail:sendmail:8.11.5:*:*:*:*:*:*:* Versions 8.11.5 Vulnerable ·Sendmail
- cpe:2.3:a:sendmail:sendmail:8.11.6:*:*:*:*:*:*:* Versions 8.11.6 Vulnerable ·Sendmail
- cpe:2.3:a:sendmail:sendmail:8.11.7:*:*:*:*:*:*:* Versions 8.11.7 Vulnerable ·Sendmail
- cpe:2.3:a:sendmail:sendmail:8.12:beta10:*:*:*:*:*:* Versions 8.12 beta10 Vulnerable ·Sendmail
- cpe:2.3:a:sendmail:sendmail:8.12:beta12:*:*:*:*:*:* Versions 8.12 beta12 Vulnerable ·Sendmail
- cpe:2.3:a:sendmail:sendmail:8.12:beta16:*:*:*:*:*:* Versions 8.12 beta16 Vulnerable ·Sendmail
- cpe:2.3:a:sendmail:sendmail:8.12:beta5:*:*:*:*:*:* Versions 8.12 beta5 Vulnerable ·Sendmail
- cpe:2.3:a:sendmail:sendmail:8.12:beta7:*:*:*:*:*:* Versions 8.12 beta7 Vulnerable ·Sendmail
- cpe:2.3:a:sendmail:sendmail:8.12.0:*:*:*:*:*:*:* Versions 8.12.0 Vulnerable ·Sendmail
- cpe:2.3:a:sendmail:sendmail:8.12.1:*:*:*:*:*:*:* Versions 8.12.1 Vulnerable ·Sendmail
- cpe:2.3:a:sendmail:sendmail:8.12.2:*:*:*:*:*:*:* Versions 8.12.2 Vulnerable ·Sendmail
- cpe:2.3:a:sendmail:sendmail:8.12.3:*:*:*:*:*:*:* Versions 8.12.3 Vulnerable ·Sendmail
- cpe:2.3:a:sendmail:sendmail:8.12.4:*:*:*:*:*:*:* Versions 8.12.4 Vulnerable ·Sendmail
- cpe:2.3:a:sendmail:sendmail:8.12.5:*:*:*:*:*:*:* Versions 8.12.5 Vulnerable ·Sendmail
- cpe:2.3:a:sendmail:sendmail:8.12.6:*:*:*:*:*:*:* Versions 8.12.6 Vulnerable ·Sendmail
- cpe:2.3:a:sendmail:sendmail:8.12.7:*:*:*:*:*:*:* Versions 8.12.7 Vulnerable ·Sendmail
- cpe:2.3:a:sendmail:sendmail:8.12.8:*:*:*:*:*:*:* Versions 8.12.8 Vulnerable ·Sendmail
- cpe:2.3:a:sendmail:sendmail:8.12.9:*:*:*:*:*:*:* Versions 8.12.9 Vulnerable ·Sendmail
- cpe:2.3:a:sendmail:sendmail:8.12.10:*:*:*:*:*:*:* Versions 8.12.10 Vulnerable ·Sendmail
- cpe:2.3:a:sendmail:sendmail:8.12.11:*:*:*:*:*:*:* Versions 8.12.11 Vulnerable ·Sendmail
- cpe:2.3:a:sendmail:sendmail:8.13.0:*:*:*:*:*:*:* Versions 8.13.0 Vulnerable ·Sendmail
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2009-1490
- 2026-10-03 Alias added: GHSA-qhrf-mg36-grcm
References
More Sendmail vulnerabilities
- TI-2002-01263 Buffer overflow in Sendmail 5.79 to 8.12.7 allows remote attackers to execute arbitrary… CVSS 2.0HIGH 10.0
- TI-2003-00642 The prescan function in Sendmail 8.12.9 allows remote attackers to execute arbitrary code… CVSS 2.0HIGH 10.0
- TI-2003-00154 The prescan() function in the address parser (parseaddr.c) in Sendmail before 8.12.9 does… CVSS 2.0HIGH 10.0
- TI-2006-00053 Signal handler race condition in Sendmail 8.13.x before 8.13.6 allows remote attackers to… CVSS 2.0HIGH 7.6
- TI-2003-00632 A "potential buffer overflow in ruleset parsing" for Sendmail 8.12.9, when using the… CVSS 2.0HIGH 7.5
- TI-2006-04282 Use-after-free vulnerability in Sendmail before 8.13.8 allows remote attackers to cause a… CVSS 3.1HIGH 7.5
Sources
- CVE-2009-1490 · CVE Program
- CVE-2009-1490 · NVD
- FIRST EPSS
- GHSA-qhrf-mg36-grcm · GitHub Advisory Database · CC BY 4.0
- CVE-2009-1490 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences