CVE-2026-59980

The python-hyper/hpack library, often used as a dependency for the python-hyper/h2 HTTP/2 implementation, is vulnerable to run-away computation due to unbounded variable integer decoding . Malformed input can trigger an O(n^2) runtime, potentially blocking further processing. A fix is available i...

MGASA-2026-0349 Updated python-hpack packages fix a security vulnerability

An issue was found in the python-hyper/hpack library, most commonly used as a downstream dependency of the python-hyper/h2 library an HTTP/2 client and server implementation. Unbounded variable integer decoding can cause run-away computation on malformed input leading to On^2 runtime, effectively...