What’s Vulnerable › Vulnerabilities

CVE-2009-1490

• Severity: medium (CVSS 5.0 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 12.6% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2009-05-05 · updated 2026-06-16
• Weakness: CWE-119

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.

Affected products

• Sendmail: through 8.13.1.2; 2.6, 2.6.1, 2.6.2, 3.0, 3.0.1, 3.0.2 (+48)

References

• http://www.nmrc.org/~thegnome/blog/apr09/
• http://www.sendmail.org/releases/8.13.2
• https://exchange.xforce.ibmcloud.com/vulnerabilities/50355
• http://www.nmrc.org/~thegnome/blog/apr09/
• http://www.sendmail.org/releases/8.13.2
• https://exchange.xforce.ibmcloud.com/vulnerabilities/50355

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