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CVE-2021-42697

HIGH CVSS: 7.5 Published: 2021-11-02 Modified: 2026-06-17

Description

Akka HTTP 10.1.x before 10.1.15 and 10.2.x before 10.2.7 can encounter stack exhaustion while parsing HTTP headers, which allows a remote attacker to conduct a Denial of Service attack by sending a User-Agent header with deeply nested comments.

Affected Platforms

Akka Http Server

Weakness Type

CWE-674

References