Buffer overflow in Sendmail before 8.12.5, when configured to use a custom DNS map to…
Priority MEDIUM 40Published · 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 Sendmail before 8.12.5, when configured to use a custom DNS map to query TXT records, allows remote attackers to cause a denial of service and possibly execute arbitrary code via a malicious DNS server.
Why it matters now
EPSS 0.04411 91st 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 · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| 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:8.12.3:*:*:*:*:*:*:* | 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:8.12.0:*:*:*:*:*:*:* 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:8.12.3:*:*:*:*:*:*:* Versions 8.12.3 Vulnerable ·Sendmail
- cpe:2.3:a:sendmail:sendmail:8.12.4:*:*:*:*:*:*:* Versions 8.12.4 Vulnerable ·Sendmail
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2002-0906
- 2026-10-03 Alias added: GHSA-www2-vw26-5r85
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-2002-0906 · CVE Program
- CVE-2002-0906 · NVD
- FIRST EPSS
- GHSA-www2-vw26-5r85 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences