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CRITICAL

CVE-2025-49844

CVSS v3

9.9

CRITICAL

Score EPSS

82.3 %

probabilité d’exploitation au 2026-10-05

CISA KEV

Non

exploitation connue

Exploitation

—

statut SSVC

Description

Redis is an open source, in-memory database that persists on disk. Versions 8.2.1 and below allow an authenticated user to use a specially crafted Lua script to manipulate the garbage collector, trigger a use-after-free and potentially lead to remote code execution. The problem exists in all versions of Redis with Lua scripting. This issue is fixed in version 8.2.2. To workaround this issue without patching the redis-server executable is to prevent users from executing Lua scripts. This can be done using ACL to restrict EVAL and EVALSHA commands.

Détails techniques

Publiée le
2025-10-03

Questions fréquentes

Qu’est-ce que CVE-2025-49844 ?

Redis is an open source, in-memory database that persists on disk. Versions 8.2.1 and below allow an authenticated user to use a specially crafted Lua script to manipulate the garbage collector, trigger a use-after-free and potentially lead to remote code execution. The problem exists in all versions of Redis with Lua scripting. This issue is fixed in version 8.2.2. To workaround this issue without patching the redis-server executable is to prevent users from executing Lua scripts. This can be done using ACL to restrict EVAL and EVALSHA commands.

CVE-2025-49844 est-elle activement exploitée ?

Aucune exploitation active de CVE-2025-49844 n’est confirmée. Son score EPSS était de 82.3 % au 2026-10-05, soit la probabilité estimée d’exploitation dans les 30 prochains jours.

Quel est le score CVSS de CVE-2025-49844 ?

CVE-2025-49844 a un score de base CVSS v3 de 9.9 (gravité CRITICAL).

CVE-2025-49844 touche-t-elle votre environnement ?

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