Out-of-bounds Read Affecting dnsdist package, versions [,1.9.13)[2.0.0-alpha0,2.0.4)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-UNMANAGED-DNSDIST-16299946
- published26 Apr 2026
- disclosed23 Apr 2026
- creditUnknown
Introduced: 23 Apr 2026
CVE-2026-33598 (opens in a new tab)How to fix?
Upgrade dnsdist to version 1.9.13, 2.0.4 or higher.
Overview
Affected versions of this package are vulnerable to Out-of-bounds Read via the getDomainListByAddress or getAddressListByDomain functions in custom Lua code interacting with the packet cache. An attacker can access sensitive information or cause a partial denial of service by sending a specially crafted cached response.