CVE-2025-48367: Redis DoS Vulnerability due to bad connection error handling

Published Jul 7, 2025
·
Updated

Redis DoS Vulnerability due to bad connection error handling

Other sources

Redis is an open source, in-memory database that persists on disk. An unauthenticated connection can cause repeated IP protocol errors, leading to client starvation and, ultimately, a denial of service. This vulnerability is fixed in 8.0.3, 7.4.5, 7.2.10, and 6.2.19.

— MITRE

Affected Software

34 affected componentsFixes available
Redis redis<8.0.3, <7.4.5, <7.2.10, <6.2.19
Redis redis<6.2.19
Redis redis>=7.0<7.2.10
Redis redis>=7.4.0<7.4.5
Redis redis>=8.0.0<8.0.3
Microsoft cbl2 redis 6.2.18-1
Patch available
Microsoft azl3 valkey 8.0.3-3
Patch available
Microsoft azl3 valkey 8.0.4-1
Patch available
Microsoft cm2 redis 6.2.18-3
Patch available
alpine/redict<7.3.3-r2
7.3.3-r2
alpine/redict<7.3.3-r2
7.3.3-r2
alpine/redict<7.3.3-r2
7.3.3-r2
alpine/redis>=7.0<7.2.11-r0
7.2.11-r0
alpine/redis>=7.0<8.0.3-r0
8.0.3-r0
alpine/redis>=7.0<8.0.3-r0
8.0.3-r0
alpine/redis>=7.0<8.0.3-r0
8.0.3-r0
alpine/valkey<7.2.11-r0
7.2.11-r0
alpine/valkey<7.2.11-r0
7.2.11-r0
alpine/valkey<8.1.1-r2
8.1.1-r2
alpine/valkey<8.1.1-r2
8.1.1-r2
alpine/valkey<8.1.1-r2
8.1.1-r2
ubuntu/redis*
ubuntu/redis*
ubuntu/redis*
ubuntu/redis*
ubuntu/redis*
ubuntu/redis*
ubuntu/valkey<7.2.11+dfsg1-0ubuntu0.2
7.2.11+dfsg1-0ubuntu0.2
ubuntu/redict*
ubuntu/redis*
ubuntu/redict*
ubuntu/redis*
ubuntu/redict*
ubuntu/redis*

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade alpine/redict to a version that resolves this vulnerability.

    Fixed in 7.3.3-r2
  2. Upgrade

    Upgrade alpine/redis to a version that resolves this vulnerability.

    Fixed in 7.2.11-r0
  3. Upgrade

    Upgrade alpine/redis to a version that resolves this vulnerability.

    Fixed in 8.0.3-r0
  4. Upgrade

    Upgrade alpine/valkey to a version that resolves this vulnerability.

    Fixed in 7.2.11-r0
  5. Upgrade

    Upgrade alpine/valkey to a version that resolves this vulnerability.

    Fixed in 8.1.1-r2
  6. Upgrade

    Upgrade ubuntu/valkey to a version that resolves this vulnerability.

    Fixed in 7.2.11+dfsg1-0ubuntu0.2
  7. Upgrade

    Upgrade redis to a version that resolves this vulnerability.

    Fixed in 8.0.3
  8. Upgrade

    Upgrade redis to a version that resolves this vulnerability.

    Fixed in 7.4.5
  9. Upgrade

    Upgrade redis to a version that resolves this vulnerability.

    Fixed in 7.2.10
  10. Upgrade

    Upgrade redis to a version that resolves this vulnerability.

    Fixed in 6.2.19

Event History

Jul 7, 2025
CVE Published
via MITRE·03:25 PM
Data Sourced
via MITRE·03:25 PM
DescriptionSeverityWeakness
Data Sourced
via Red Hat·04:01 PM
DescriptionSeverityAffected Software
Data Sourced
via OSV·04:15 PM
DescriptionSeverityAffected Software
Data Sourced
via NVD·04:15 PM
RemedyDescriptionSeverityWeaknessAffected Software
Jul 16, 2025
Data Sourced
via Microsoft·07:00 AM
DescriptionSeverityWeakness
Data Sourced
via Microsoft·07:00 AM
Affected Software

Frequently Asked Questions

1

What is the severity of CVE-2025-48367?

CVE-2025-48367 has a critical severity due to its potential to cause denial of service via client starvation.

2

How do I fix CVE-2025-48367?

To fix CVE-2025-48367, upgrade Redis to version 8.0.3, 7.4.5, 7.2.10, or 6.2.19.

3

What impact does CVE-2025-48367 have on my Redis database?

CVE-2025-48367 can lead to repeated IP protocol errors resulting in a denial of service for the Redis database.

4

Is CVE-2025-48367 exploitable without authentication?

Yes, CVE-2025-48367 can be exploited through an unauthenticated connection.

5

What versions of Redis are affected by CVE-2025-48367?

CVE-2025-48367 affects Redis versions prior to 8.0.3, 7.4.5, 7.2.10, and 6.2.19.

Company

Resources

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203