CVE-2026-33261
April 22, 2026, 9:23 p.m.
5.9
Medium
Description
A zone transition from NSEC to NSEC3 might trigger an internal inconsistency and cause a denial of service.
Product(s) Impacted
| Vendor | Product | Versions |
|---|---|---|
| Open-xchange |
|
|
Weaknesses
Common security weaknesses mapped to this vulnerability.
CWE-353
Missing Support for Integrity Check
The product uses a transmission protocol that does not include a mechanism for verifying the integrity of the data during transmission, such as a checksum.
*CPE(s)
Affected systems and software identified for this CVE.
| Type | Vendor | Product | Version | Update | Edition | Language | Software Edition | Target Software | Target Hardware | Other Information |
|---|---|---|---|---|---|---|---|---|---|---|
| a | open-xchange | open-xchange | / | / | / | / | / | / | / | / |
Tags
CVSS Score
CVSS Data - 3.1
- Attack Vector: NETWORK
- Attack Complexity: HIGH
- Privileges Required: NONE
- Scope: UNCHANGED
- Confidentiality Impact: NONE
- Integrity Impact: NONE
- Availability Impact: HIGH
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Timeline
Published: April 22, 2026, 10:16 a.m.
Last Modified: April 22, 2026, 9:23 p.m.
Last Modified: April 22, 2026, 9:23 p.m.
Status : Undergoing Analysis
CVE has been recently published to the CVE List and has been received by the NVD.
More infoSource
*Disclaimer: Some vulnerabilities do not have an associated CPE. To enhance the data, we use AI to infer CPEs based on CVE details. This is an automated process and might not always be accurate.