CVE-2020-35680
HIGH7.5EPSS 5.8%發布日:2020/12/24修改日:2026/4/28
描述
smtpd/lka_filter.c in OpenSMTPD before 6.8.0p1, in certain configurations, allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a crafted pattern of client activity, because the filter state machine does not properly maintain the I/O channel between the SMTP engine and the filters layer.
受影響套件(2)
- Alpine/opensmtpdfrom 0, < 6.6.4p1-r1
- Debian/opensmtpdfrom 0, < 6.8.0p2-1
CVSS 分數
| 來源 | 版本 | 嚴重程度 | 向量 |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |