H2O versions 2.0.3 and earlier and 2.1.0-beta2 and earlier allows remote attackers to cause a denial-of-service (DoS) via format string specifiers in a template file via fastcgi, mruby, proxy, redirect or reproxy.
2017-05-12T18:29:00.437
2025-04-20T01:37:25.860
Deferred
CVSSv3.0: 7.5 (HIGH)
AV:N/AC:L/Au:N/C:N/I:N/A:P
10.0
2.9
Type | Vendor | Product | Version/Range | Vulnerable? |
---|---|---|---|---|
Application | dena | h2o | ≤ 2.0.3 | Yes |
Application | dena | h2o | 2.1.0 | Yes |
Application | dena | h2o | 2.1.0 | Yes |