What’s Vulnerable › Vulnerabilities

CVE-2001-0819

• Severity: high (CVSS 7.5 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 6.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2001-12-06 · updated 2026-06-16
• Weakness: CWE-119

Description

A buffer overflow in Linux fetchmail before 5.8.6 allows remote attackers to execute arbitrary code via a large 'To:' field in an email header.

Affected products

• fetchmail: through 5.8.5; 4.5.1, 4.5.2, 4.5.3, 4.5.4, 4.5.5, 4.5.6 (+59)

References

• http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000403
• http://download.immunix.org/ImmunixOS/7.0/updates/IMNX-2001-70-025-01
• http://www.caldera.com/support/security/advisories/CSSA-2001-022.1.txt
• http://www.debian.org/security/2001/dsa-060
• http://www.linux-mandrake.com/en/security/2001/MDKSA-2001-063.php3?dis=7.1
• http://www.linuxsecurity.com/advisories/other_advisory-1451.html
• http://www.novell.com/linux/security/advisories/2001_026_fetchmail_txt.html
• http://www.redhat.com/support/errata/RHSA-2001-103.html
• http://www.securityfocus.com/bid/2877
• https://exchange.xforce.ibmcloud.com/vulnerabilities/6704

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