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Redis security advisory (AV26-859)
Canada's Cyber Centre flagged a use-after-free in Redis 8.0's TLS handling, fixed in versions 8.2.9, 8.4.6, 8.6.6, 8.8.2, and 8.10.1.
Canada's Cyber Centre issued advisory AV26-859 for a use-after-free bug in Redis's tlsProcessPendingData() pending-list iteration, affecting the Redis 8.0 series. Fixed releases include 8.2.9, 8.4.6, 8.6.6, 8.8.2, and 8.10.1. Users and administrators are encouraged to review vendor guidance and update. No CVE identifier or exploitation details were provided in the advisory text.
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CISA adds Chrome, Redis bugs to Known Exploited Vulnerabilities Catalog
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Muhstik Botnet Targeting Redis Servers Using Recently Disclosed Vulnerability
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A Three-Layer Caching Architecture for Low-Latency LLM Web Search on Commodity CPU Hardware
OreoLook's three-layer Redis caching architecture cuts redundant LLM calls and embedding work for CPU-hosted web-search answer generation.
The paper describes a three-layer caching architecture for OreoLook (formerly lixSearch), an open-source LLM answer engine: a Redis session context window with Huffman-compressed disk overflow, a semantic query cache matching rephrasings via embedding cosine similarity, and a URL embedding cache deduplicating embedding computations. Deployed on a single 8-vCPU Intel Cascade Lake server with 30 Hypercorn workers across three containerized replicas, it achieved an 89.3% aggregate Redis keyspace hit rate, 0.1 ms read latency, and 1.38 MB memory overhead. An LRU eviction daemon migrates idle sessions to disk and rehydrates them for resumption hours or days later.
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