CVE-2021-42697
- Source
- https://cve.org/CVERecord?id=CVE-2021-42697
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-42697.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2021-42697
- Aliases
- Published
- 2021-11-02T22:15:08Z
- Modified
- 2026-10-24T10:30:16Z
- Severity
-
- 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
- Summary
- [none]
- Details
-
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.
- References
-
- https://akka.io/blog/
- https://akka.io/blog/news/2021/11/02/akka-http-10.2.7-released
- https://akka.io/blog/news/2021/11/22/akka-http-10.1.15-released
- https://doc.akka.io/docs/akka-http/current/security/2021-CVE-2021-42697-stack-overflow-parsing-user-agent.html
- http://packetstormsecurity.com/files/167018/Akka-HTTP-10.1.14-Denial-Of-Service.html
Affected packages
Git / github.com/akka/akka-http
Affected ranges
- Type
- GIT
- Repo
- https://github.com/akka/akka-http
- Events
- Database specific
-
Show details
{ "extracted_events": [ { "cpe": "cpe:2.3:a:akka:http_server:*:*:*:*:*:*:*:*", "range": [ { "introduced": "10.1.0" }, { "fixed": "10.1.15" } ], "source": "CPE_RANGE" }, { "cpe": "cpe:2.3:a:akka:http_server:*:*:*:*:*:*:*:*", "range": [ { "introduced": "10.2.0" }, { "fixed": "10.2.7" } ], "source": "CPE_RANGE" } ] }