CVE-2017-16844

critical
Published 2017-11-16 · Modified 2026-05-13
CVSS v3
9.8
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v2
10.0
VIR risk
9.8

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.

Predictions

Exploit likelihood
97%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2017-16844

vendor Authored 2026-05-27

Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2017-16844.html

OS impact

OSVersionStatusFixed in
suse slesaffected
debian debianbookwormfixed3.22-26
debian debianbullseyefixed3.22-26
debian debianforkyfixed3.22-26
debian debiansidfixed3.22-26
debian debiantrixiefixed3.22-26

Application impact

VendorProductVersionsFixed
procmailprocmail3.22

References

CWEs

CWE-119

Verify integrity in audit chain (admin only). AS-IS.