CVE catalog
CVE-2020-1919
UBUNTU-CVE-2020-1919
- Severity
- Unknown
- Published
- Updated
- Source
- [NVD] · [CVE record]
- EPSS
- 1.22% · Oct 25, 2026
Incorrect bounds calculations in substr_compare could lead to an out-of-bounds read when the second string argument passed in is longer than the first. This issue affects HHVM versions prior to 4.56.3, all versions between 4.57.0 and 4.80.1, all versions between 4.81.0 and 4.93.1, and versions 4.94.0, 4.95.0, 4.96.0, 4.97.0, 4.98.0.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Ubuntu | hhvm | 16.04 | 3.11.0+dfsg-1 | vulnerable |
| Ubuntu | hhvm | 16.04 | 3.11.1+dfsg-1 | vulnerable |
| Ubuntu | hhvm | 16.04 | 3.11.1+dfsg-1ubuntu1 | vulnerable |
| Ubuntu | hhvm | 18.04 | 3.21.0+dfsg-2 | vulnerable |
| Ubuntu | hhvm | 18.04 | 3.21.0+dfsg-2build1 | vulnerable |
| Ubuntu | hhvm | 18.04 | 3.21.0+dfsg-2build2 | vulnerable |
| Ubuntu | hhvm | 18.04 | 3.21.0+dfsg-2build3 | vulnerable |
| Ubuntu | hhvm | 18.04 | 3.21.0+dfsg-2ubuntu2 | vulnerable |
Fixed-version evidence
OpenFactory catalog packages
No matching packages in this catalog.
Observed: