cpe:/a:libesmtp_project:libesmtp is the correct CPE ID for libesmtp:
https://nvd.nist.gov/products/cpe/search/results?keyword=cpe:2.3:a:libesmtp_project:libesmtp
Signed-off-by: Fabrice Fontaine <redacted>
PKG_MAINTAINER:=Othmar Truniger <github@truniger.ch>
PKG_LICENSE:=LGPL-2.0-or-later
PKG_LICENSE_FILES:=COPYING
+PKG_CPE_ID:=cpe:/a:libesmtp_project:libesmtp
PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
PKG_SOURCE_URL:=https://codeload.github.com/libesmtp/libESMTP/tar.gz/v$(PKG_VERSION)?