# SUSE-SU-2026:1618-1: dnsdist security update

SUSE-SU-2026:1618-1, released April 24, 2026, fixes 7 CVEs in dnsdist (version 1.9.12-150700.3.9.1). None of them is reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/fix/linux/suse-su-2026-1618-1
- Platform: Linux
- Released: Apr 24, 2026
- Priority: High (Closes CVE-2026-24028, high severity)
- CVEs: 7, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://osv.dev/vulnerability/SUSE-SU-2026:1618-1

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [dnsdist](https://patchblox.com/security/data/product/linux/dnsdist.md) | sles 15.7 | 1.9.12-150700.3.9.1 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2026-24028](https://patchblox.com/security/data/cve/CVE-2026-24028.md) | High | dnsdist: crafted DNS packet parsed by Lua code using `newDNSPacketOverlay` can lead to an out-of-bounds read | 8.2 | 0.0107 |  |
| [CVE-2026-24030](https://patchblox.com/security/data/cve/CVE-2026-24030.md) | High | dnsdist: crafted DoQ and DoH3 queries can lead to unbounded memory allocation and DoS (bsc#1261240). | 7.5 | 0.0056 |  |
| [CVE-2026-27853](https://patchblox.com/security/data/cve/CVE-2026-27853.md) | High | dnsdist: crafted DNS responses sent to a DNSdist using certain methods in custom Lua code (`changeName`) can | 7.5 | 0.0051 |  |
| [CVE-2026-27854](https://patchblox.com/security/data/cve/CVE-2026-27854.md) | High | dnsdist: crafted DNS queries sent to a DNSdist using the `DNSQuestion:getEDNSOptions` method in custom Lua | 7.5 | 0.0049 |  |
| [CVE-2026-0397](https://patchblox.com/security/data/cve/CVE-2026-0397.md) | Routine | dnsdist: misconfiguration of the CORS policy can lead to information disclosure (bsc#1261237). | 4.3 | 0.0017 |  |
| [CVE-2026-24029](https://patchblox.com/security/data/cve/CVE-2026-24029.md) | Routine | dnsdist: disabled option on a DNS over HTTPS nghttp2 frontend allows clients to bypass ACLs and send DoH | 6.5 | 0.0015 |  |
| [CVE-2026-0396](https://patchblox.com/security/data/cve/CVE-2026-0396.md) | Routine | dnsdist: crafted DNS queries triggering domain-based dynamic rules can lead to HTML injection in the web | 4.3 | 0.0014 |  |

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Data as of 2026-11-11T01:43:54Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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