CVE-2025-4984410.0CriticalCWE-416

CVE-2025-49844: Redis Lua Use-After-Free may lead to remote code execution

redis

Affected: redis · Exploitation: check available, not yet exploited

Not in CyberSIXT coverage yet: no article names this CVE. This page shows the public record.

83.2%probability of exploitation in the next 30 days

99th percentile

050100

Higher than 99% of scored CVEs

10.0CriticalCVSS 3.1

LowMediumHighCrit.

DescriptionCVE.org

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.

Affected products1

From the CVE record. A product or version that is not listed is unknown, not unaffected.

redis · redis< 8.2.2

On the Atlas

Every published CVE is on the CyberSIXT Atlas, grouped by weakness, vendor and month.

Open the Atlas

Exploitation: Check available, not yet exploited. A public nuclei template can confirm it on a system you are authorised to test.
CISA KEV: Not listed
Public check: Redis Lua Parser < 8.2.2 - Use After Free · nuclei template in projectdiscovery/nuclei-templates
Weakness: Use After Free · Memory Corruption
Vendor: redis
Published: October 2025
Band: Check available, not yet exploited, October 2025

CoverageNo articles yet

No CyberSIXT article names CVE-2025-49844 yet, so there is no coverage timeline, action brief or change log for it. Everything on this page comes from the public CVE record, CISA KEV, EPSS and the nuclei template index. Search the archive or see the CVEs in the news.