CVE-2026-39824 Affecting net-kourier-fips-1.20 package, versions <1.20.1-r18
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-CHAINGUARDLATEST-NETKOURIERFIPS120-19956362
- published19 Sept 2026
- disclosed22 May 2026
Introduced: 22 May 2026
CVE-2026-39824 (opens in a new tab)How to fix?
Upgrade Chainguard net-kourier-fips-1.20 to version 1.20.1-r18 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream net-kourier-fips-1.20 package and not the net-kourier-fips-1.20 package as distributed by Chainguard.
See How to fix? for Chainguard relevant fixed versions and status.
NewNTUnicodeString does not check for string length overflow. When provided with a string that overflows the maximum size of a NTUnicodeString (a 16-bit number of bytes), it returns a truncated string rather than an error.