CVE-2019-16928

Published: Sep 27, 2019Modified: Jun 17, 2026CISA KEV

9.8

Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploitability: 3.9 / Impact: 5.9

Source: NVD

Description

Exim 4.92 through 4.92.2 allows remote code execution, a different vulnerability than CVE-2019-15846. There is a heap-based buffer overflow in string_vformat in string.c involving a long EHLO command.

Affected (6)

Products: Exim: Exim · Canonical: Ubuntu Linux · Debian: Debian Linux · +1 more

Show all products

Exim: Exim · Canonical: Ubuntu Linux · Debian: Debian Linux · Fedoraproject: Fedora

1 product

1 product

1 product

1 product

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Exim Exim	From 4.92 to 4.92.2

Configuration B

1 vulnerable

Vulnerable Software	Affected Versions
Canonical Ubuntu Linux	Version 19.04

Configuration C

1 vulnerable

Vulnerable Software	Affected Versions
Debian Debian Linux	Version 10.0

Configuration D

3 vulnerable

Vulnerable Software	Affected Versions
Fedoraproject Fedora	Version 29
Fedoraproject Fedora	Version 30
Fedoraproject Fedora	Version 31

Related CWEs

CWE-787

Out-of-bounds Write

The product writes data past the end, or before the beginning, of the intended buffer.

References (29)

http://www.openwall.com/lists/oss-security/2019/09/28/1

Source: cve@mitre.org

ExploitMailing ListMitigationThird Party Advisory

http://www.openwall.com/lists/oss-security/2019/09/28/2

Source: cve@mitre.org

ExploitMailing ListThird Party Advisory

http://www.openwall.com/lists/oss-security/2019/09/28/3

Source: cve@mitre.org

Mailing ListThird Party Advisory

http://www.openwall.com/lists/oss-security/2019/09/28/4

Source: cve@mitre.org

Mailing ListThird Party Advisory

https://bugs.exim.org/show_bug.cgi?id=2449

Source: cve@mitre.org

Issue TrackingPatchVendor Advisory

https://git.exim.org/exim.git/commit/478effbfd9c3cc5a627fc671d4bf94d13670d65f

Source: cve@mitre.org

Patch

https://lists.exim.org/lurker/message/20190927.032457.c1044d4c.en.html

Source: cve@mitre.org

Vendor Advisory

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EED7HM3MFIBAP5OIMJAFJ35JAJABTVSC/

Source: cve@mitre.org

Release Notes

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/T3TJW4HPYH3O5HZCWGD6NSHTEBTTAPDC/

Source: cve@mitre.org

Release Notes

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UY6HPRW7MR3KBQ5JFHH6OXM7YCZBJCOB/

Source: cve@mitre.org

Release Notes

https://seclists.org/bugtraq/2019/Sep/60

Source: cve@mitre.org

Mailing ListThird Party Advisory

https://security.gentoo.org/glsa/202003-47

Source: cve@mitre.org

Third Party Advisory

https://usn.ubuntu.com/4141-1/

Source: cve@mitre.org

Third Party Advisory

https://www.debian.org/security/2019/dsa-4536

Source: cve@mitre.org

Third Party Advisory

http://www.openwall.com/lists/oss-security/2019/09/28/1