Threats Tagged 'cve-2026-54902'
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Threats Tagged 'cve-2026-54902'
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0 Oj (Optimized JSON) is a JSON parser and Object marshaller packaged as a Ruby gem. Prior to version 3.17.2, is vulnerable to Use-After-Free when in SAJ mode. The Oj::Parser does not protect cached object keys (≥ 35 bytes) from garbage collection, and a Ruby callback that triggers GC inside hash_end can cause the key string to be reclaimed while the C parser still holds a pointer to it. The subsequent access to the freed string VALUE results in a segfault, confirmed by an RIP pointing to address 0x4242 (a canary-style pattern suggesting control over the freed memory's content). This issue has been fixed in version 3.17.2. Join the discussion | CVE Database V5 | 06/30/2026, 23:40:32 UTC Added: 07/01/2026, 00:06:33 UTC |
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