CVE-2020-10745
Published Jul 7, 2020 · Updated Nov 3, 2026
Original summary
Normalized public record · Updated Nov 3, 2026
A flaw was found in all Samba versions before 4.10.17, before 4.11.11 and before 4.12.4 in the way it processed NetBios over TCP/IP. This flaw allows a remote attacker could to cause the Samba server to consume excessive CPU use, resulting in a denial of service. This highest threat from this vulnerability is to system availability.
Publisher and source text is retained separately from QFinch interpretation.
QFinch assessment
A flaw was found in all Samba versions before 4.10.17, before 4.11.11 and before 4.12.4 in the way it processed NetBios over TCP/IP. This flaw allows a remote attacker could to cause the Samba server to consume excessive CPU use, resulting in a denial of service. This highest threat from this vulnerability is to system availability.
Evidence: public source recordsAffected products
| Affected package, product or range | Fix status |
|---|---|
| Consult the referenced vendor advisory for affected versions. | Consult source advisory |
Matching a version is only one part of assessing exposure. QFinch has not assessed your environment on this public page.
Remediation
Apply the vendor-supported fixed release or mitigation, then verify the affected component is no longer reachable.
- Confirm the affected product and reachable code path exist in your environment.
- Apply the vendor-supported patch or mitigation from the primary advisory.
- Rescan the exact deployed revision and retain verification evidence.
Evidence coverage
- SSVC priority
- MEDIUM
- Confidence
- Not available
- Aliases
- None reported
Scores appear only when corresponding evidence exists. Missing data is never interpreted as zero risk.
Sources and record history
- bugzilla.redhat.com ↗
- www.samba.org ↗
- FEDORA-2020-5131d30947 ↗
- openSUSE-SU-2020:0984 ↗
- openSUSE-SU-2020:1023 ↗
- GLSA-202007-15 ↗
- openSUSE-SU-2020:1313 ↗
- [debian-lts-announce] 20201123 [SECURITY] [DLA 2463-1] samba security update ↗
Record history
Published Jul 7, 2020 · Last refreshed Nov 3, 2026