CVE-2021-42697: 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…

PriorityP260high7.5CVSS 3.1

AVNACLPRNUINSUCNINAH

EXPLOIT

EPSS

36.14%

98.3th percentile

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

2 ranges

Vendor	Product	Version range	Fixed in
akka	http_server	>= 10.1.0 < 10.1.15	10.1.15
akka	http_server	>= 10.2.0 < 10.2.7	10.2.7

CVSS provenance

nvdv3.17.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

nvdv2.05.0MEDIUMAV:N/AC:L/Au:N/C:N/I:N/A:P

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