Red Hat Security Advisory: redis 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: Redis Unauthenticated Denial of Service (CVE-2025-48367) * redis: Redis Hyperloglog Out-of-Bounds Write Vulnerability (CVE-2025-32023) 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
The advisory addresses two vulnerabilities in Redis: CVE-2025-48367, an unauthenticated denial of service issue, and CVE-2025-32023, an out-of-bounds write vulnerability related to the Hyperloglog data structure. These flaws could potentially allow denial of service or memory corruption. The affected Redis version is 6.2.7-1.el9_4.4 as packaged for Red Hat Enterprise Linux 9.4 Extended Update Support. Red Hat has released updated packages to remediate these vulnerabilities as detailed in advisory RHSA-2025:12524. No CVSS scores or exploitation in the wild have been reported at this time.
Potential Impact
Successful exploitation of CVE-2025-48367 could cause denial of service without authentication. CVE-2025-32023 could lead to out-of-bounds memory writes, potentially causing instability or crashes. Both vulnerabilities affect Redis deployments on Red Hat Enterprise Linux 9.4 Extended Update Support. No reports of active exploitation are known. The overall security impact is rated as important by Red Hat.
Mitigation Recommendations
Red Hat has released updated Redis packages for Red Hat Enterprise Linux 9.4 Extended Update Support to address these vulnerabilities. Users should apply the security update as described in Red Hat advisory RHSA-2025:12524 and the referenced article https://access.redhat.com/articles/11258. No additional mitigation steps are indicated beyond applying the official update.
Red Hat Security Advisory: redis 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: Redis Unauthenticated Denial of Service (CVE-2025-48367) * redis: Redis Hyperloglog Out-of-Bounds Write Vulnerability (CVE-2025-32023) 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
The advisory addresses two vulnerabilities in Redis: CVE-2025-48367, an unauthenticated denial of service issue, and CVE-2025-32023, an out-of-bounds write vulnerability related to the Hyperloglog data structure. These flaws could potentially allow denial of service or memory corruption. The affected Redis version is 6.2.7-1.el9_4.4 as packaged for Red Hat Enterprise Linux 9.4 Extended Update Support. Red Hat has released updated packages to remediate these vulnerabilities as detailed in advisory RHSA-2025:12524. No CVSS scores or exploitation in the wild have been reported at this time.
Potential Impact
Successful exploitation of CVE-2025-48367 could cause denial of service without authentication. CVE-2025-32023 could lead to out-of-bounds memory writes, potentially causing instability or crashes. Both vulnerabilities affect Redis deployments on Red Hat Enterprise Linux 9.4 Extended Update Support. No reports of active exploitation are known. The overall security impact is rated as important by Red Hat.
Mitigation Recommendations
Red Hat has released updated Redis packages for Red Hat Enterprise Linux 9.4 Extended Update Support to address these vulnerabilities. Users should apply the security update as described in Red Hat advisory RHSA-2025:12524 and the referenced article https://access.redhat.com/articles/11258. No additional mitigation steps are indicated beyond applying the official update.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- Red Hat Product Security
- Advisory Id
- RHSA-2025:12524
- Cve Count
- 2
- Additional Cves
- ["CVE-2025-48367"]
Threat ID: 6a419cb827e9c79719abddc1
Added to database: 06/28/2026, 22:14:16 UTC
Last enriched: 08/07/2026, 01:01:26 UTC
Last updated: 09/10/2026, 19:36:50 UTC
Views: 19
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