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A denial-of-service vulnerability exists in github.com/sirupsen/logrus when using Entry.Writer() to log a single-line payload larger than 64KB without newline characters.

🗓️ 07 Dec 2025 09:03:21Reported by MicrosoftType 
mscve
 mscve
🔗 msrc.microsoft.com👁 1 Views

Denial of service in logrus Entry.Writer() for single-line payloads over 64KB without newline; affects versions <1.8.3, 1.9.0, 1.9.2; fixed in 1.8.3, 1.9.1, 1.9.3+.

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26 Feb 2026 22:35Current
6.7Medium risk
Vulners AI Score6.7
CVSS 3.15.9 - 7.5
EPSS0.00055
SSVC
1