Redis contains a use-after-free vulnerability in the 'tlsProcessPendingData()' function, which handles the TLS pending-data list if Redis is configured with TLS support. A remote, unauthenticated attacker may be able to execute arbitrary commands with the privileges of the Redis server.
Attack Parameters
Attack Vector
Adjacent
Requires local network access
Attack Complexity
High
Difficult to exploit
Attack Requirements
Present
Additional conditions required
Privileges Required
Low
Basic privileges needed
User Interaction
None
No user interaction needed
Impact Assessment
Confidentiality
High
Complete data leak
Integrity
High
Complete data modification
Availability
High
Complete denial of service
CVSS Vector v4.0
Weakness Type (CWE)
Vulnerable Products
redis:redis
References 24
https://github.com/redis/redis/commit/6d088c335d5c3ec49a6c28486140b498e70b7834
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https://github.com/v12-security/pocs/tree/main/redis/server_ssl
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https://raw.githubusercontent.com/redis/redis/8.10/00-RELEASENOTES
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https://raw.githubusercontent.com/redis/redis/8.2/00-RELEASENOTES
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https://raw.githubusercontent.com/redis/redis/8.4/00-RELEASENOTES
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https://raw.githubusercontent.com/redis/redis/8.6/00-RELEASENOTES
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https://raw.githubusercontent.com/redis/redis/8.8/00-RELEASENOTES
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https://github.com/redis/redis/releases/tag/6.2.24
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https://github.com/redis/redis/releases/tag/7.2.16
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https://github.com/redis/redis/releases/tag/7.4.11
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https://github.com/redis/redis/releases/tag/8.10.1
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https://github.com/redis/redis/releases/tag/8.2.9
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https://github.com/redis/redis/releases/tag/8.4.6
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https://github.com/redis/redis/releases/tag/8.6.6
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https://github.com/redis/redis/releases/tag/8.8.2
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https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2025…
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https://raw.githubusercontent.com/redis/redis/6.2/00-RELEASENOTES
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https://raw.githubusercontent.com/redis/redis/7.2/00-RELEASENOTES
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https://raw.githubusercontent.com/redis/redis/7.4/00-RELEASENOTES
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https://redis.io/docs/latest/operate/rs/release-notes/rs-7-22-releases/rs-7-22-…
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https://redis.io/docs/latest/operate/rs/release-notes/rs-7-8-releases/rs-7-8-6-…
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https://redis.io/docs/latest/operate/rs/release-notes/rs-8-0-releases/rs-8-0-20…
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https://redis.io/docs/latest/operate/rs/release-notes/rs-8-2-releases/rs-8-2-0-…
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https://www.cve.org/CVERecord?id=CVE-2026-81934
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