CVE-2026-33598
Received
Received - Intake
Out-of-Bounds Read in Open-Xchange Lua Packet Cache
Publication date: 2026-04-22
Last updated on: 2026-04-24
Assigner: Open-Xchange
Description
Description
A cached crafted response can cause an out-of-bounds read if custom Lua code calls getDomainListByAddress() or getAddressListByDomain() on a packet cache.
CVSS Scores
EPSS Scores
| Probability: | |
| Percentile: |
Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| powerdns | dnsdist | From 1.9.0 (inc) to 1.9.13 (exc) |
| powerdns | dnsdist | From 2.0.0 (inc) to 2.0.4 (exc) |
Helpful Resources
Exploitability
CWE
KEV
| CWE ID | Description |
|---|---|
| CWE-125 | The product reads data past the end, or before the beginning, of the intended buffer. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability occurs when a cached crafted response triggers an out-of-bounds read. This happens if custom Lua code calls the functions getDomainListByAddress() or getAddressListByDomain() on a packet cache.
How can this vulnerability impact me? :
The vulnerability can lead to an out-of-bounds read, which may cause limited information disclosure (confidentiality impact) and a partial denial of service (availability impact). The CVSS score indicates a low to medium severity with no impact on integrity.
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