CVE-2019-16928
Exim Out-of-bounds Write Vulnerability
Published Sep 27, 2019 · updated Jun 16, 2026 · exim exim
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.
Timeline
Detection, updates, and resolution for this record.
Sep 27, 2019 · Catalog
Detected
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.
Mar 3, 2022 · CISA KEV
Known exploited
Apply updates per vendor instructions.
Mar 17, 2022 · CISA KEV
Remediation due
Apply updates per vendor instructions.
Jun 16, 2026 · Catalog
Updated
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.
Required action
Apply updates per vendor instructions.
CISA due date Mar 17, 2022
Affected
- cpe canonical/ubuntu linux19.04
- cpe debian/debian linux10.0
- cpe exim/eximversion unspecified
- cpe fedoraproject/fedora29
- cpe fedoraproject/fedora30
- cpe fedoraproject/fedora31
- vendor Exim Exim Internet Mailerversion unspecified
Sources
- CISA KEVCVE-2019-16928
Exim contains an out-of-bounds write vulnerability which can allow for remote code execution.
cisa.gov - CVE.orgCVE-2019-16928
Official CVE identifier
cve.org - FIRST EPSSCVE-2019-16928
30-day exploitation probability 41.6%
first.org - NIST NVDCVE-2019-16928
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.
nvd.nist.gov