CVE-2026-54897 Oj : Use-After-Free in Oj::Doc Iterators via Reentrant Close

Oj Optimized JSON is a JSON parser and Object marshaller packaged as a Ruby gem. Prior to 3.17.2, Oj::Doc iterators eachvalue, eachchild, eachleaf were vulnerable to a heap use-after-free. When a Ruby block yielded during iteration calls doc.close or d.close, the document's heap memory is freed...

CVE-2026-54897

Oj (Optimized JSON) Ruby gem versions prior to 3.17.2 contain a heap use-after-free in Oj::Doc iterators (each_value, each_child, each_leaf). If a Ruby block yields during iteration and doc.close or d.close is called, the heap memory is freed while the C iterator is active, leading to a use-after...

DEBIAN-CVE-2022-48799

In the Linux kernel, the following vulnerability has been resolved: perf: Fix list corruption in perfcgroupswitch There's list corruption on cgrpcpuctxlist. This happens on the following path: perfcgroupswitch: listforeachentrycgrpcpuctxlist cpuctxschedin ctxschedin ctxpinnedschedin mergeschedin...

Mozilla: Incorrect code generation during JIT compilation

A flaw was found in Mozilla. The Mozilla Foundation Security Advisory describes the issue of invalidating JIT code while following an iterator. The newly generated code could be overwritten incorrectly, leading to a potentially exploitable crash...

Mozilla: Incorrect code generation during JIT compilation

A flaw was found in Mozilla. The Mozilla Foundation Security Advisory describes the issue of invalidating JIT code while following an iterator. The newly generated code could be overwritten incorrectly, leading to a potentially exploitable crash...