CVE-2017-10868 json
H2O version 2.2.2 and earlier allows remote attackers to cause a denial of service in the server via specially crafted HTTP/1 header.
published 8y ago modified 4mo ago also EUVD-2017-2508
- cvss
- 7.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 3.5%
- EPSS 3.5% chance of exploitation in 30 days, percentile 89%
- public exploits
- 0
- none known
Summary
H2O version 2.2.2 and earlier allows remote attackers to cause a denial of service in the server via specially crafted HTTP/1 header.
Patch / fix
Is CVE-2017-10868 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerExploit prediction
3.53% chance of exploitation in the next 30 days, higher than 89% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:N/I:N/A:P |
Affected products
- Kazuho Oku H2O
Classification
- Weakness
-
- CWE-20 Improper Input Validation
References
-
github.com
/h2o/h2o/issues/1459
third-party-advisory
-
jvn.jp
/en/jp/JVN84182676/index.html
third-party-advisory, vdb-entry
Sources
- CVE List CVE-2017-10868
- NVD CVE-2017-10868
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