CVE-2026-81934
Public on 2026-08-27
Modified on 2026-08-28
Description
Redis contains a use-after-free vulnerability in the 'tlsProcessPendingData()' function, which handles the TLS pending-data list if Redis is configured with TLS support. A remote, unauthenticated attacker may be able to execute arbitrary commands with the privileges of the Redis server. Fixed in Redis 8.2.9, 8.4.6, 8.6.6, 8.8.2, and 8.10.1.
CVSS v3 Base Score
See breakdown
Affected Packages
| Platform | Package | Release Date | Advisory | Status |
|---|---|---|---|---|
| Amazon Linux 2023 | hiredis | Not Affected | ||
| Amazon Linux 2 - Lamp-mariadb10.2-php7.2 Extra | php-pecl-redis | No Fix Planned | ||
| Amazon Linux 2 - Php7.2 Extra | php-pecl-redis | No Fix Planned | ||
| Amazon Linux 2 - Php7.3 Extra | php-pecl-redis | No Fix Planned | ||
| Amazon Linux 2 - Php7.4 Extra | php-pecl-redis | No Fix Planned | ||
| Amazon Linux 2023 | php8.1-pecl-redis6 | No Fix Planned | ||
| Amazon Linux 2023 | php8.2-pecl-redis6 | Not Affected | ||
| Amazon Linux 2023 | php8.3-pecl-redis6 | Not Affected | ||
| Amazon Linux 2023 | php8.4-pecl-redis6 | Not Affected | ||
| Amazon Linux 2023 | php8.5-pecl-redis6 | Not Affected | ||
| Amazon Linux 2 - Redis6 Extra | redis | Pending Fix | ||
| Amazon Linux 2 - Redis4.0 Extra | redis | No Fix Planned | ||
| Amazon Linux 2023 | redis6 | No Fix Planned | ||
| Amazon Linux 2 - Redis4.0 Extra | rubygem-redis | No Fix Planned |
CVSS Scores
| Score Type | Score | Vector | |
|---|---|---|---|
| Amazon Linux | CVSSv3 | 7.5 | CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H |