CVE-2023-28856: Debian Linux

Medium severity, CVSS 6.5. EPSS: 1.3% chance of exploitation in the next 30 days.

Redis is an open source, in-memory database that persists on disk. Authenticated users can use the `HINCRBYFLOAT` command to create an invalid hash field that will crash Redis on access in affected versions. This issue has been addressed in in versions 7.0.11, 6.2.12, and 6.0.19. Users are advised to upgrade. There are no known workarounds for this issue.

Affected products

• Debian Debian Linux: version 10.0 only
• Fedoraproject Fedora: version 36 only; version 37 only; version 38 only
• Redis Redis: before 6.0.19 (fixed in 6.0.19); from 6.2.0, before 6.2.12 (fixed in 6.2.12); from 7.0.0, before 7.0.11 (fixed in 7.0.11)

Published 2023-04-18. Last modified 2026-06-17.