CVE-2021-20277
HIGH7.5EPSS 9.8%Published: 5/12/2021Modified: 4/28/2026
Description
A flaw was found in Samba's libldb. Multiple, consecutive leading spaces in an LDAP attribute can lead to an out-of-bounds memory write, leading to a crash of the LDAP server process handling the request. The highest threat from this vulnerability is to system availability.
Affected packages (3)
- Alpine/sambafrom 0, < 4.12.14-r0
- Debian/ldbfrom 0, < 2:2.2.0-3.1
- Debian/sambafrom 0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| 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 |