CVE-2026-27860
MEDIUM5.3EPSS 0.04%發布日:2026/3/27修改日:2026/4/30
描述
If auth_username_chars is empty, it is possible to inject arbitrary LDAP filter to Dovecot's LDAP authentication. This leads to potentially bypassing restrictions and allows probing of LDAP structure. Do not clear out auth_username_chars, or install fixed version. No publicly available exploits are known.
受影響套件(2)
- Alpine/dovecotfrom 0, < 2.4.3-r0
- Debian/dovecotfrom 0, < 1:2.4.1+dfsg1-6+deb13u4
CVSS 分數
| 來源 | 版本 | 嚴重程度 | 向量 |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |