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CVE-2026-50011 is an uncontrolled resource allocation vulnerability in Netty's Redis codec, specifically in RedisArrayAggregator within io.netty:netty-codec-redis. In affected versions prior to 4.1.135.Final and 4.2.15.Final, the aggregator pre-allocates an ArrayList using the RESP array element count declared in the incoming array header. Because this count is accepted directly from untrusted network input before the corresponding child messages are received or validated, a malicious peer can declare an extremely large array size and trigger excessive heap allocation immediately. The flaw is caused by trusting attacker-supplied length metadata for initial capacity selection without adequate bounds checking or throttling.
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What an attacker gets, and what they’ve been doing with it.
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Patch, then assume compromise.
No valid public exploits. Mallory filtered out 2 candidates as fakes, detection scripts, or README-only repos.
All candidate exploits were filtered out by Mallory's validation.
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
18 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.