CVE-2026-44375: Nerdbank Messagepack Incorrect Skip Count
The parser passes an incorrect expected item count of 5 to SkipTheRest, instead of 3. This causes trailing extension fields to be ignored and bypasses underlying structural validation in MessagePackReader.
Provally CuratedPublic repositoryHighMedium confidenceVerifiedApache-2.0
C#
C#greprules fetch cve-2026-44375-nerdbank-messagepack-incorrect-skip-count --engine opengrepDescription
The parser passes an incorrect expected item count of 5 to SkipTheRest, instead of 3. This causes trailing extension fields to be ignored and bypasses underlying structural validation in MessagePackReader.
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