Out-of-bounds Read in Libesmtp Project
CVE-2019-19977
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.
Vulnerability class: Buffer Overflow
EPSS: 0.031 (86.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Libesmtp_project Libesmtp
- N/a — versions n/a
Weakness classification (CWE)
References
- cve@mitre.org (Exploit, Patch, Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (Product, x_refsource_MISC)
Frequently asked questions
- What is CVE-2019-19977?
- CVE-2019-19977 is a critical-severity vulnerability in Libesmtp Project, classified under Out-of-bounds Read. CVSS score: 9.8/10. Published 2019-12-26.
- How severe is CVE-2019-19977?
- Critical severity. CVSS v3 base score is 9.8 out of 10.