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Vulnerability record · CVE-2017-16844 · published 16 November 2017

CVE-2017-16844: Procmail memory buffer overflow vulnerability

Procmail · Procmail

Heap-based buffer overflow in the loadbuf function in formisc.c in formail in procmail 3.22 allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a crafted e-mail message because of a hardcoded realloc size, a different vulnerability than CVE-2014-3618.

9.8 CVSS 3.0 Critical EPSS 13% · top 3.9% CWE-119 · Memory buffer overflow
9.8CVSS 3.0 base score, v2 10.0
13%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
10References
17 Jun 2026Last modified by NVD

Description

Heap-based buffer overflow in the loadbuf function in formisc.c in formail in procmail 3.22 allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a crafted e-mail message because of a hardcoded realloc size, a different vulnerability than CVE-2014-3618.

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

7.5CVE-2014-3618Procmail memory buffer overflow vulnerabilityHeap-based buffer overflow in formisc.c in formail in procmail 3.22 allows remote attackers to cause a denial of service (crash) and possibly execute…EPSS 8.5%7.5CVE-1999-0439Procmail vulnerabilityBuffer overflow in procmail before version 3.12 allows remote or local attackers to execute commands via expansions in the procmailrc configuration f…EPSS 2.5%6.2CVE-2001-0905Procmail vulnerabilityRace condition in signal handling of procmail 3.20 and earlier, when running setuid, allows local users to cause a denial of service or gain root pri…EPSS 0.32%1.2CVE-1999-0475Procmail vulnerabilityA race condition in how procmail handles .procmailrc files allows a local user to read arbitrary files available to the user who is running procmail.EPSS 0.32%8.8CVE-2026-8452Citrix NetScaler ADC and Gateway memory buffer overflow causes DoSCVE-2026-8452 is a memory buffer overflow (CWE-119) in Citrix NetScaler ADC and NetScaler Gateway that leads to unpredictable or erroneous behavior a…KEVEPSS 1.0%analysed8.8CVE-2009-3459Adobe Reader and Acrobat heap buffer overflow via crafted PDFAdobe Reader and Acrobat 7.x before 7.1.4, 8.x before 8.1.7, and 9.x before 9.2 contain a heap-based buffer overflow (CWE-122) triggered by a crafted…KEVEPSS 87%analysed9.8CVE-2008-4250Microsoft Windows Server service RPC path canonicalization buffer overflowThe Server service in multiple Windows versions fails to properly handle path canonicalization, allowing a crafted RPC request to overflow a buffer a…KEVEPSS 99%analysed8.8CVE-2025-31277Apple WebKit memory corruption via malicious web contentApple WebKit fails to handle memory correctly when processing crafted web content, leading to memory corruption across Safari, iOS, iPadOS, macOS, tv…KEVEPSS 1.6%analysed

Source: NIST National Vulnerability Database (record CVE-2017-16844), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.