CVE-2026-33811 Affecting ko package, versions <0.18.1-r14
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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- published11 May 2026
- disclosed7 May 2026
Introduced: 7 May 2026
NewCVE-2026-33811 (opens in a new tab)How to fix?
Upgrade Wolfi ko to version 0.18.1-r14 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream ko package and not the ko package as distributed by Wolfi.
See How to fix? for Wolfi relevant fixed versions and status.
When using LookupCNAME with the cgo DNS resolver, a very long CNAME response can trigger a double-free of C memory and a crash.