CVE-2009-1490 EXPLOIT
5.0
MEDIUM · CVSS 2.0 · EPSS 12.6% (pctl 96)
Patch early
A public exploit exists.
Description
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.
Scoring
| CVSS | 5.0 (MEDIUM, v2.0) |
|---|---|
| Vector | AV:N/AC:L/Au:N/C:N/I:N/A:P |
| EPSS | 12.61% — more likely to be exploited than 96% of all CVEs |
| Weakness | CWE-119 |
| On CISA KEV | no |
| Public exploit | yes |
| Published | 2009-05-05 |
| Last modified | 2026-06-16 |
Affected (1)
| Vendor | Product |
|---|---|
| sendmail | sendmail |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | Sendmail 8.12.x - 'X-header' Remote Heap Buffer Overflow (PoC) | 2009-05-27 |
References
→ the Explorer · watch your stack · NVD