VDB
CVE-2020-1893
CVE-2020-1893
PUBLISHED
CVSS 7.5 HIGH
Insufficient boundary checks when decoding JSON in TryParse reads out of bounds memory, potentially leading to DOS. This issue affects HHVM 4.45.0, 4.44.0, 4.43.0, 4.42.0, 4.41.0, 4.40.0, 4.39.0, versions between 4.33.0 and 4.38.0 (inclusive), versions between 4.9.0 and 4.32.0 (inclusive), and versions prior to 4.8.7.
EPSS 1.15% · 64.7th percentile
Risk Scores
CVSS 3.1
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS Score
1.15%
64.7th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:16.04:LTS | hhvm | 0, 3.11.0+dfsg-1, 3.11.1+dfsg-1 |
| Ubuntu:18.04:LTS | hhvm | 3.21.0+dfsg-2build3, 0, 3.21.0+dfsg-2ubuntu2 |
Timeline
- Mar 3, 2020 CVE Published
- Apr 14, 2021 EPSS Score
- Jun 23, 2021 EPSS Score
- Aug 25, 2021 EPSS Score
- Dec 28, 2021 EPSS Score
- Jan 6, 2022 EPSS Score
- Feb 4, 2022 EPSS Score
- Mar 1, 2022 EPSS Score
- May 3, 2022 EPSS Score
- Jul 4, 2022 EPSS Score
- Sep 6, 2022 EPSS Score
- Nov 8, 2022 EPSS Score
References
- https://ubuntu.com/security/CVE-2020-1893 third-party-advisory
- https://github.com/facebook/hhvm/commit/bd586671a3c22eb2f07e55f11b3ce64e1f7961e7 third-party-advisory
- https://hhvm.com/blog/2020/02/20/security-update.html third-party-advisory
- https://www.cve.org/CVERecord?id=CVE-2020-1893 third-party-advisory