CVE-2018-6335
- Source
- https://cve.org/CVERecord?id=CVE-2018-6335
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-6335.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2018-6335
- Downstream
- Published
- 2018-12-31T19:29:00.417Z
- Modified
- 2026-03-14T09:30:36.485310Z
- Severity
-
- 7.5 (High) CVSS_V3 - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
- Summary
- [none]
- Details
-
A Malformed h2 frame can cause 'std::outofrange' exception when parsing priority meta data. This behavior can lead to denial-of-service. This affects all supported versions of HHVM (3.25.2, 3.24.6, and 3.21.10 and below) when using the proxygen server to handle HTTP2 requests.
- References
Affected packages
Git / github.com/facebook/hhvm
Affected ranges
- Type
- GIT
- Repo
- https://github.com/facebook/hhvm
- Events
-
Introduced0 Unknown introduced commit / All previous commits are affectedLast affectedIntroduced0 Unknown introduced commit / All previous commits are affectedLast affectedIntroduced0 Unknown introduced commit / All previous commits are affectedLast affectedFixed
- Database specific
{ "versions": [ { "introduced": "0" }, { "last_affected": "3.21.10" }, { "introduced": "0" }, { "last_affected": "3.24.6" }, { "introduced": "0" }, { "last_affected": "3.25.2" } ] }
Affected versions
HHVM-3.*
HHVM-3.21.0
HHVM-3.21.1
HHVM-3.21.10
HHVM-3.21.2
HHVM-3.21.3
HHVM-3.21.4
HHVM-3.21.5
HHVM-3.21.6
HHVM-3.21.7
HHVM-3.21.8
HHVM-3.21.9
HHVM-3.24.0
HHVM-3.24.1
HHVM-3.24.2
HHVM-3.24.3
HHVM-3.24.4
HHVM-3.24.5
HHVM-3.24.6
HHVM-3.25.0
HHVM-3.25.1
HHVM-3.25.2
HPHP-2.*
HPHP-2.1.0
gcc-4.*
gcc-4.6
Other
pre-hhvm
src-hphp