Servers and applications
CVE-2015-7540
The LDAP server in the AD domain controller in Samba 4.x before 4.1.22 does not check return values to ensure successful ASN.1 memory allocation, which allows remote attackers to cause a denial of service (memory consumption and daemon crash) via crafted packets.
- Severity
- High 7.5
- Published
- 29 Dec 2015
- Last changed
- 17 Jun 2026
- Added to UpHeron
- 1 Nov 2026
- Fixed in
- 4.1.22
- Exploit chance
- 7.1% in the next 30 daysHigher than 94% of CVEs. EPSS by FIRST, 11 Nov 2026
- Weakness
- CWE-399
- Attack
- Over the network · No login needed · No user action needed
- Attacker can
- Take it down
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H- Sources
- NVD
Affected software
| Software | Affected versions |
|---|---|
SambaServers and applications · cpe:a:samba:samba |
|