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CVE-2003-0161

CRITICAL
10.0
CVSS Severity Score
EPSS Score0.1450%
EPSS Percentile39.58th
PublishedApr 2, 2003
Last ModifiedApr 16, 2026

Vulnerability Description

The prescan() function in the address parser (parseaddr.c) in Sendmail before 8.12.9 does not properly handle certain conversions from char and int types, which can cause a length check to be disabled when Sendmail misinterprets an input value as a special "NOCHAR" control value, allowing attackers to cause a denial of service and possibly execute arbitrary code via a buffer overflow attack using messages, a different vulnerability than CVE-2002-1337.

Affected Platforms (CPE)

📦
Sendmail

Sendmail

= 2.6
📦
Sendmail

Sendmail

= 2.6.1
📦
Sendmail

Sendmail

= 2.6.2
📦
Sendmail

Sendmail

= 3.0
📦
Sendmail

Sendmail

= 3.0.1
📦
Sendmail

Sendmail

= 3.0.2
📦
Sendmail

Sendmail

= 3.0.3
📦
Sendmail

Sendmail

= 8.9.0
📦
Sendmail

Sendmail

= 8.9.1
📦
Sendmail

Sendmail

= 8.9.2
📦
Sendmail

Sendmail

= 8.9.3
📦
Sendmail

Sendmail

= 8.10
📦
Sendmail

Sendmail

= 8.10.1
📦
Sendmail

Sendmail

= 8.10.2
📦
Sendmail

Sendmail

= 8.11.0
📦
Sendmail

Sendmail

= 8.11.1
📦
Sendmail

Sendmail

= 8.11.2
📦
Sendmail

Sendmail

= 8.11.3
📦
Sendmail

Sendmail

= 8.11.4
📦
Sendmail

Sendmail

= 8.11.5
📦
Sendmail

Sendmail

= 8.11.6
📦
Sendmail

Sendmail

= 8.12
📦
Sendmail

Sendmail

= 8.12
📦
Sendmail

Sendmail

= 8.12
📦
Sendmail

Sendmail

= 8.12
📦
Sendmail

Sendmail

= 8.12
📦
Sendmail

Sendmail

= 8.12.0
📦
Sendmail

Sendmail

= 8.12.1
📦
Sendmail

Sendmail

= 8.12.2
📦
Sendmail

Sendmail

= 8.12.3
📦
Sendmail

Sendmail

= 8.12.4
📦
Sendmail

Sendmail

= 8.12.5
📦
Sendmail

Sendmail

= 8.12.6
📦
Sendmail

Sendmail

= 8.12.7
📦
Sendmail

Sendmail

= 8.12.8
📦
Sendmail

Sendmail Switch

= 2.1
📦
Sendmail

Sendmail Switch

= 2.1.1
📦
Sendmail

Sendmail Switch

= 2.1.2
📦
Sendmail

Sendmail Switch

= 2.1.3
📦
Sendmail

Sendmail Switch

= 2.1.4
📦
Sendmail

Sendmail Switch

= 2.1.5
📦
Sendmail

Sendmail Switch

= 2.2
📦
Sendmail

Sendmail Switch

= 2.2.1
📦
Sendmail

Sendmail Switch

= 2.2.2
📦
Sendmail

Sendmail Switch

= 2.2.3
📦
Sendmail

Sendmail Switch

= 2.2.4
📦
Sendmail

Sendmail Switch

= 2.2.5
📦
Sendmail

Sendmail Switch

= 3.0
📦
Sendmail

Sendmail Switch

= 3.0.1
📦
Sendmail

Sendmail Switch

= 3.0.2
📦
Sendmail

Sendmail Switch

= 3.0.3
💻
Compaq

Tru64

= 4.0b
💻
Compaq

Tru64

= 4.0d
💻
Compaq

Tru64

= 4.0d_pk9_bl17
💻
Compaq

Tru64

= 4.0f
💻
Compaq

Tru64

= 4.0f_pk6_bl17
💻
Compaq

Tru64

= 4.0f_pk7_bl18
💻
Compaq

Tru64

= 4.0g
💻
Compaq

Tru64

= 4.0g_pk3_bl17
💻
Compaq

Tru64

= 5.0
💻
Compaq

Tru64

= 5.0_pk4_bl17
💻
Compaq

Tru64

= 5.0_pk4_bl18
💻
Compaq

Tru64

= 5.0a
💻
Compaq

Tru64

= 5.0a_pk3_bl17
💻
Compaq

Tru64

= 5.0f
💻
Compaq

Tru64

= 5.1
💻
Compaq

Tru64

= 5.1_pk3_bl17
💻
Compaq

Tru64

= 5.1_pk4_bl18
💻
Compaq

Tru64

= 5.1_pk5_bl19
💻
Compaq

Tru64

= 5.1_pk6_bl20
💻
Compaq

Tru64

= 5.1a
💻
Compaq

Tru64

= 5.1a_pk1_bl1
💻
Compaq

Tru64

= 5.1a_pk2_bl2
💻
Compaq

Tru64

= 5.1a_pk3_bl3
💻
Compaq

Tru64

= 5.1b
💻
Compaq

Tru64

= 5.1b_pk1_bl1
💻
Hp

Hp Ux

= 10.00
💻
Hp

Hp Ux

= 10.01
💻
Hp

Hp Ux

= 10.08
💻
Hp

Hp Ux

= 10.09
💻
Hp

Hp Ux

= 10.10
💻
Hp

Hp Ux

= 10.16
💻
Hp

Hp Ux

= 10.20
💻
Hp

Hp Ux

= 10.24
💻
Hp

Hp Ux

= 10.26
💻
Hp

Hp Ux

= 10.30
💻
Hp

Hp Ux

= 10.34
💻
Hp

Hp Ux

= 11.00
💻
Hp

Hp Ux

= 11.0.4
💻
Hp

Hp Ux

= 11.11
💻
Hp

Hp Ux

= 11.20
💻
Hp

Hp Ux

= 11.22
💻
Hp

Hp Ux Series 700

= 10.20
💻
Hp

Hp Ux Series 800

= 10.20
💻
Hp

Sis

All versions
💻
Sun

Solaris

= 2.4
💻
Sun

Solaris

= 2.5
💻
Sun

Solaris

= 2.5.1
💻
Sun

Solaris

= 2.5.1
💻
Sun

Solaris

= 2.6
💻
Sun

Solaris

= 7.0
💻
Sun

Solaris

= 8.0
💻
Sun

Solaris

= 9.0
💻
Sun

Solaris

= 9.0
💻
Sun

Solaris

= 9.0
💻
Sun

Sunos

All versions
💻
Sun

Sunos

= 5.4
💻
Sun

Sunos

= 5.5
💻
Sun

Sunos

= 5.5.1
💻
Sun

Sunos

= 5.7
💻
Sun

Sunos

= 5.8

References & Advisories

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