CVE-2021-20314

CRITICAL9.8EPSS 0.17%

libspf2 - security update

發布日:2021/8/12修改日:2026/3/9

也稱為:DSA-4955-1ALPINE-CVE-2021-20314DEBIAN-CVE-2021-20314

描述

Stack buffer overflow in libspf2 versions below 1.2.11 when processing certain SPF macros can lead to Denial of service and potentially code execution via malicious crafted SPF explanation messages.

受影響套件(4)

Alpine/libspf2from 0, < 1.2.10-r5
Debian/libspf2from 0, < 1.2.10-7.1~deb11u1
Debian/libspf2from 0, < 1.2.10-7+deb9u1
Debian/libspf2from 0, < 1.2.10-7.1~deb10u1

CVSS 分數

來源	版本	嚴重程度	向量
osv	CVSS 3.1	CRITICAL9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

參考連結(2)

ADVISORYhttps://security.alpinelinux.org/vuln/CVE-2021-20314
ADVISORYhttps://security-tracker.debian.org/tracker/CVE-2021-20314