CVE-2009-1490
mediumpriority · track · 34EPSS 0.126 · 96 %ileexploit · functionalEUUSEPSS · scored 2026-10-27
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.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
weaknesses
The CWE weakness classes this flaw belongs to.
exploits (1)
Public proof-of-concept and weaponised exploit code.
- EDB-32995Sendmail 8.12.x - 'X-header' Remote Heap Buffer Overflow (PoC)functional · exploit_db
affected products (52)
Products and version ranges known to be affected.
also known as (2)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (6)
External citations — patches, advisories, analysis.
- http://www.nmrc.org/~thegnome/blog/apr09/enisa_euvd
- http://www.sendmail.org/releases/8.13.2enisa_euvd
- https://exchange.xforce.ibmcloud.com/vulnerabilities/50355enisa_euvd
- http://www.nmrc.org/~thegnome/blog/apr09/nvd
- http://www.sendmail.org/releases/8.13.2PatchVendor Advisorynvd
- https://exchange.xforce.ibmcloud.com/vulnerabilities/50355nvd
Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.
Free scan