AEGLIX vulnerability intelligence
CVE-2019-16928
CRITICAL · CVSS 9.8 · Analyzed
Published: 2019-09-27 · Updated: 2026-06-17 · Source: NVD
Vulnerability overview
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.
Severity and scoring
- CVSS score
- 9.8 · CRITICAL
- CVSS version
- 3.1
- CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-787
CVSS measures technical severity; it does not establish whether this vulnerability is being exploited in your environment.
Known exploitation and remediation
Listed in CISA’s Known Exploited Vulnerabilities catalog.
- Affected product
- Exim · Exim Internet Mailer
- Added to catalog
- 2022-03-03
- Required action
- Apply updates per vendor instructions.
- CISA remediation due date
- 2022-03-17
CISA deadlines apply to the organizations covered by its directives. Confirm your own remediation requirements.
Verify affected versions and patch availability in the vendor advisory before making changes.
Affected products and versions
cpe:2.3:a:exim:exim:*:*:*:*:*:*:*:*
From (inclusive): 4.92
Through (inclusive): 4.92.2
cpe:2.3:o:canonical:ubuntu_linux:19.04:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:29:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*
These are NVD CPE applicability entries. Some products depend on configuration conditions; consult the official record to confirm applicability.
Advisories and references
- http://www.openwall.com/lists/oss-security/2019/09/28/1
Exploit · Mailing List · Mitigation · Third Party Advisory
- http://www.openwall.com/lists/oss-security/2019/09/28/2
Exploit · Mailing List · Third Party Advisory
- http://www.openwall.com/lists/oss-security/2019/09/28/3
Mailing List · Third Party Advisory
- http://www.openwall.com/lists/oss-security/2019/09/28/4
Mailing List · Third Party Advisory
- https://bugs.exim.org/show_bug.cgi?id=2449
Issue Tracking · Patch · Vendor Advisory
- https://git.exim.org/exim.git/commit/478effbfd9c3cc5a627fc671d4bf94d13670d65f
Patch
- https://lists.exim.org/lurker/message/20190927.032457.c1044d4c.en.html
Vendor Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EED7HM3MFIBAP5OIMJAFJ35JAJABTVSC/
Release Notes
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/T3TJW4HPYH3O5HZCWGD6NSHTEBTTAPDC/
Release Notes
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UY6HPRW7MR3KBQ5JFHH6OXM7YCZBJCOB/
Release Notes
- https://seclists.org/bugtraq/2019/Sep/60
Mailing List · Third Party Advisory
- https://security.gentoo.org/glsa/202003-47
Third Party Advisory
- https://usn.ubuntu.com/4141-1/
Third Party Advisory
- https://www.debian.org/security/2019/dsa-4536
Third Party Advisory
- http://www.openwall.com/lists/oss-security/2019/09/28/1
Exploit · Mailing List · Mitigation · Third Party Advisory
- http://www.openwall.com/lists/oss-security/2019/09/28/2
Exploit · Mailing List · Third Party Advisory
- http://www.openwall.com/lists/oss-security/2019/09/28/3
Mailing List · Third Party Advisory
- http://www.openwall.com/lists/oss-security/2019/09/28/4
Mailing List · Third Party Advisory
- https://bugs.exim.org/show_bug.cgi?id=2449
Issue Tracking · Patch · Vendor Advisory
- https://git.exim.org/exim.git/commit/478effbfd9c3cc5a627fc671d4bf94d13670d65f
Patch
- https://lists.exim.org/lurker/message/20190927.032457.c1044d4c.en.html
Vendor Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EED7HM3MFIBAP5OIMJAFJ35JAJABTVSC/
Release Notes
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/T3TJW4HPYH3O5HZCWGD6NSHTEBTTAPDC/
Release Notes
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UY6HPRW7MR3KBQ5JFHH6OXM7YCZBJCOB/
Release Notes
- https://seclists.org/bugtraq/2019/Sep/60
Mailing List · Third Party Advisory
- https://security.gentoo.org/glsa/202003-47
Third Party Advisory
- https://usn.ubuntu.com/4141-1/
Third Party Advisory
- https://www.debian.org/security/2019/dsa-4536
Third Party Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-16928
US Government Resource