VDB
CVE-2018-6335
CVE-2018-6335
PUBLISHED
CVSS 7.5 HIGH
A Malformed h2 frame can cause 'std::out_of_range' 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.
EPSS 1.47% · 71.9th percentile
Risk Scores
CVSS 3.0
7.5
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS Score
1.47%
71.9th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:16.04:LTS | hhvm | 0, 3.11.1+dfsg-1, 3.11.1+dfsg-1ubuntu1 |
| Ubuntu:18.04:LTS | hhvm | *, 0, * |
Timeline
- Dec 31, 2018 CVE Published
- Apr 14, 2021 EPSS Score
- Jun 23, 2021 EPSS Score
- Aug 25, 2021 EPSS Score
- Dec 28, 2021 EPSS Score
- Mar 1, 2022 EPSS Score
- May 3, 2022 EPSS Score
- May 13, 2022 CVE Updated
- Jul 4, 2022 EPSS Score
- Sep 6, 2022 EPSS Score
- Nov 8, 2022 EPSS Score
- Mar 7, 2023 EPSS Score
References
- https://ubuntu.com/security/CVE-2018-6335 third-party-advisory
- https://hhvm.com/blog/2018/05/04/hhvm-3.25.3.html third-party-advisory
- https://www.cve.org/CVERecord?id=CVE-2018-6335 third-party-advisory