PT-2025-45817 · Go · Stdlib

Published

2025-10-29

·

Updated

2025-10-29

None

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Despite HTTP headers having a default limit of 1MB, the number of cookies that can be parsed does not have a limit. By sending a lot of very small cookies such as "a=;", an attacker can make an HTTP server allocate a large amount of structs, causing large memory consumption.
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Related Identifiers

GO-2025-4012

Affected Products

Stdlib