Jakub Wilk reported a heap-based buffer overflow vulnerability in procmail's formail utility when processing specially-crafted email headers. A remote attacker could use this flaw to cause formail to crash, resulting in a denial of service or data loss.

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Debian Security Advisory DSA-4041-1                   This email address is being protected from spambots. You need JavaScript enabled to view it.
https://www.debian.org/security/                     Salvatore Bonaccorso
November 19, 2017                     https://www.debian.org/security/faq
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Package        : procmail
CVE ID         : CVE-2017-16844
Debian Bug     : 876511

Jakub Wilk reported a heap-based buffer overflow vulnerability in
procmail's formail utility when processing specially-crafted email
headers. A remote attacker could use this flaw to cause formail to
crash, resulting in a denial of service or data loss.

For the oldstable distribution (jessie), this problem has been fixed
in version 3.22-24+deb8u1.

For the stable distribution (stretch), this problem has been fixed in
version 3.22-25+deb9u1.

We recommend that you upgrade your procmail packages.

For the detailed security status of procmail please refer to its
security tracker page at:
https://security-tracker.debian.org/tracker/procmail

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/

Mailing list: This email address is being protected from spambots. You need JavaScript enabled to view it.