CVE-2019-19977
libesmtp: Stack-based buffer over-read in ntlm_build_type_2() in ntlm/ntlmstruct.c
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · December 26, 2019
Updated · November 21, 2025
Description
libESMTP through 1.0.6 mishandles domain copying into a fixed-size buffer in ntlm_build_type_2 in ntlm/ntlmstruct.c, as demonstrated by a stack-based buffer over-read.
Statement
This issue did not affect the versions of libesmtp as shipped with Red Hat Enterprise Linux 6 and 7.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.1 · 7.4CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:H
CWE-125 · Out-of-bounds Read