Red Hat Security Advisory: redis:6 security update
Redis is an advanced key-value store. It is often referred to as a data-structure server since keys can contain strings, hashes, lists, sets, and sorted sets. For performance, Redis works with an in-memory data set. You can persist it either by dumping the data set to disk every once in a while, or by appending each command to a log. Security Fix(es): * redis: Lua library commands may lead to integer overflow and potential RCE (CVE-2025-46817) * Redis: Redis Lua Use-After-Free may lead to remote code execution (CVE-2025-49844) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
AI Analysis
Technical Summary
This advisory covers two vulnerabilities in Redis 6 as packaged for Red Hat Enterprise Linux 8.8. CVE-2025-46817 is an integer overflow in Lua library commands that could lead to remote code execution. CVE-2025-49844 is a use-after-free vulnerability in Redis Lua that may also result in remote code execution. Both issues affect the redis:6 module and have been fixed in version 6.2.7-1.module+el8.8.0+23580+a818c120.6. The vulnerabilities are tracked under Red Hat advisory RHSA-2025:19399. No CVSS scores are provided in the advisory, but the impact is considered important by Red Hat Product Security.
Potential Impact
Successful exploitation of these vulnerabilities could allow an attacker to execute arbitrary code remotely on affected systems running Redis 6. This could lead to full compromise of the Redis service and potentially the underlying system. The integer overflow and use-after-free issues specifically target the Lua scripting functionality within Redis, which is commonly used for advanced data processing. No known exploits in the wild have been reported at the time of this advisory.
Mitigation Recommendations
Red Hat has released updated redis:6 packages for Red Hat Enterprise Linux 8.8 that address these vulnerabilities. Users should apply the security update to upgrade to redis-6.2.7-1.module+el8.8.0+23580+a818c120.6 or later. Detailed update instructions are available at https://access.redhat.com/articles/11258. Applying this official update fully mitigates the vulnerabilities. No additional mitigation steps are indicated by Red Hat.
Red Hat Security Advisory: redis:6 security update
Description
Redis is an advanced key-value store. It is often referred to as a data-structure server since keys can contain strings, hashes, lists, sets, and sorted sets. For performance, Redis works with an in-memory data set. You can persist it either by dumping the data set to disk every once in a while, or by appending each command to a log. Security Fix(es): * redis: Lua library commands may lead to integer overflow and potential RCE (CVE-2025-46817) * Redis: Redis Lua Use-After-Free may lead to remote code execution (CVE-2025-49844) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Affected software
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This advisory covers two vulnerabilities in Redis 6 as packaged for Red Hat Enterprise Linux 8.8. CVE-2025-46817 is an integer overflow in Lua library commands that could lead to remote code execution. CVE-2025-49844 is a use-after-free vulnerability in Redis Lua that may also result in remote code execution. Both issues affect the redis:6 module and have been fixed in version 6.2.7-1.module+el8.8.0+23580+a818c120.6. The vulnerabilities are tracked under Red Hat advisory RHSA-2025:19399. No CVSS scores are provided in the advisory, but the impact is considered important by Red Hat Product Security.
Potential Impact
Successful exploitation of these vulnerabilities could allow an attacker to execute arbitrary code remotely on affected systems running Redis 6. This could lead to full compromise of the Redis service and potentially the underlying system. The integer overflow and use-after-free issues specifically target the Lua scripting functionality within Redis, which is commonly used for advanced data processing. No known exploits in the wild have been reported at the time of this advisory.
Mitigation Recommendations
Red Hat has released updated redis:6 packages for Red Hat Enterprise Linux 8.8 that address these vulnerabilities. Users should apply the security update to upgrade to redis-6.2.7-1.module+el8.8.0+23580+a818c120.6 or later. Detailed update instructions are available at https://access.redhat.com/articles/11258. Applying this official update fully mitigates the vulnerabilities. No additional mitigation steps are indicated by Red Hat.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- Red Hat Product Security
- Advisory Id
- RHSA-2025:19399
- Cve Count
- 2
- Additional Cves
- ["CVE-2025-49844"]
Threat ID: 6a419caf27e9c79719abaa7b
Added to database: 06/28/2026, 22:14:07 UTC
Last enriched: 07/12/2026, 10:58:44 UTC
Last updated: 09/10/2026, 19:36:50 UTC
Views: 25
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.