Back to Database
Status published
Unknown
CVE-2019-16928
Exim 4.92 through 4.92.2 allows remote code execution, a different...
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
THREAT MONITOR
Am I Vulnerable?
Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2019-16928
Credits & Attribution
No credits recorded in the NVD database.
References
- https://lists.exim.org/lurker/message/20190927.032457.c1044d4c.en.html
- https://bugs.exim.org/show_bug.cgi?id=2449
- https://git.exim.org/exim.git/commit/478effbfd9c3cc5a627fc671d4bf94d13670d65f
- http://www.openwall.com/lists/oss-security/2019/09/28/1
- http://www.openwall.com/lists/oss-security/2019/09/28/2
- http://www.openwall.com/lists/oss-security/2019/09/28/3
- https://www.debian.org/security/2019/dsa-4536
- https://usn.ubuntu.com/4141-1/
- http://www.openwall.com/lists/oss-security/2019/09/28/4
- https://seclists.org/bugtraq/2019/Sep/60
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/T3TJW4HPYH3O5HZCWGD6NSHTEBTTAPDC/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UY6HPRW7MR3KBQ5JFHH6OXM7YCZBJCOB/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EED7HM3MFIBAP5OIMJAFJ35JAJABTVSC/
- https://security.gentoo.org/glsa/202003-47
More from exim
View All →CVE-2022-37452
Exim before 4.95 has a heap-based buffer overflow for the...
Critical
9.8
CVE-2022-37451
Exim before 4.96 has an invalid free in pam_converse in...
High
7.5
CVE-2021-38371
The STARTTLS feature in Exim through 4.94.2 allows response injection...
High
7.5
CVE-2021-27216
Exim 4 before 4.94.2 has Execution with Unnecessary Privileges. By...
Medium
6.3
CVE-2020-28026
Exim 4 before 4.94.2 has Improper Neutralization of Line Delimiters,...
Critical
9.8
Affected Vendor
exim
View all reports →Affected Software
exim, ubuntu linux, debian linux, fedora
Vulnerable Versions:
4.92, 19.04, 10.0, 29, 30, 31
Timeline
Official Publish:
September 27th, 2019
Last Modified:
October 21st, 2025
Added to House:
July 20th, 2026
CVSS Vectors
No vector data available
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.