VDB
DEBIAN-CVE-2021-21704
DEBIAN-CVE-2021-21704
PUBLISHED
CVSS 5.900000095367432 MEDIUM
In PHP versions 7.3.x below 7.3.29, 7.4.x below 7.4.21 and 8.0.x below 8.0.8, when using Firebird PDO driver extension, a malicious database server could cause crashes in various database functions, such as getAttribute(), execute(), fetch() and others by returning invalid response data that is not parsed correctly by the driver. This can result in crashes, denial of service or potentially memory corruption.
Risk Scores
CVSS v3.1
5.900000095367432
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Debian:11 | php7.4 | 0, 0, 0 |
Timeline
- Oct 4, 2021 CVE Published
- Apr 28, 2026 CVE Updated