21 results · Feed
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Critical 9.8
QuickJS commit 04be24600 contains a heap out-of-bounds write condition in JS_ReadFunctionTag().
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High 7.5
A crafted JavaScript input executed with the QuickJS release 2025-09-13, fixed in commit fcd33c1afa7b3028531f53cd1190a3…
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Medium 6.5
A crafted JavaScript input can trigger an internal assertion failure in QuickJS release 2025-09-13, fixed in commit 1db…
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Medium 6.3
quickjs-ng quickjs quickjs.c js_typed_array_constructor_ta heap-based overflow
A flaw has been found in quickjs-ng quickjs up to 0.11.0. Affected by this vulnerability is the function js_typed_array_constructor_ta of the file quickjs.c. This manipulation causes heap-based buffer overflow. The attack is possible to be carried out remotel…
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Medium 6.3
quickjs-ng quickjs Atomics Ops quickjs.c use after free
A vulnerability was detected in quickjs-ng quickjs up to 0.11.0. Affected is an unknown function of the file quickjs.c of the component Atomics Ops Handler. The manipulation results in use after free. The attack can be executed remotely. The exploit is now pu…
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Medium 6.3
quickjs-ng quickjs quickjs.c js_typed_array_sort heap-based overflow
A vulnerability was identified in quickjs-ng quickjs up to 0.11.0. This issue affects the function js_typed_array_sort of the file quickjs.c. The manipulation leads to heap-based buffer overflow. Remote exploitation of the attack is possible. The exploit is p…
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High 7.3
quickjs-ng quickjs quickjs.c js_typed_array_constructor heap-based overflow
A vulnerability was determined in quickjs-ng quickjs up to 0.11.0. This vulnerability affects the function js_typed_array_constructor of the file quickjs.c. Executing a manipulation can lead to heap-based buffer overflow. The attack may be launched remotely. …
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Medium 5.3
QuickJS quickjs.c js_array_buffer_slice buffer over-read
A weakness has been identified in QuickJS up to eb2c89087def1829ed99630cb14b549d7a98408c. This affects the function js_array_buffer_slice of the file quickjs.c. This manipulation causes buffer over-read. The attack is restricted to local execution. The exploi…
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High 7.1
Integer overflow in js_bigint_from_string in QuickJS
A vulnerability exists in the QuickJS engine's BigInt string parsing logic (js_bigint_from_string) when attempting to create a BigInt from a string with an excessively large number of digits. The function calculates the necessary number of bits (n_bits) requi…
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High 7.1
Type confusion in string addition in QuickJS
An integer overflow vulnerability exists in the QuickJS regular expression engine (libregexp) due to an inconsistent representation of the bytecode buffer size. * The regular expression bytecode is stored in a DynBuf structure, which correctly uses a $\text{s…
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High 7.1
Type confusion in string addition in QuickJS
A type confusion vulnerability exists in the handling of the string addition (+) operation within the QuickJS engine. * The code first checks if the left-hand operand is a string. * It then attempts to convert the right-hand operand to a primitive value using…
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Medium 5.9
Heap out-of-bounds read in js_bigint_to_string1 in QuickJS
A vulnerability exists in the QuickJS engine's BigInt string conversion logic (js_bigint_to_string1) due to an incorrect calculation of the required number of digits, which in turn leads to reading memory past the allocated BigInt structure. * The function de…
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Medium 5.9
Heap out-of-bounds read in js_typed_array_indexOf in QuickJS
A vulnerability stemming from floating-point arithmetic precision errors exists in the QuickJS engine's implementation of TypedArray.prototype.indexOf() when a negative fromIndex argument is supplied. * The fromIndex argument (read as a double variable, $d$) …
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High 8.8
Use-after-free in js_std_promise_rejection_check in QuickJS
A Use-After-Free (UAF) vulnerability exists in the QuickJS engine's standard library when iterating over the global list of unhandled rejected promises (ts->rejected_promise_list). * The function js_std_promise_rejection_check attempts to iterate over the rej…
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High 8.8
Use-after-free in js_print_object in QuickJS
In quickjs, in js_print_object, when printing an array, the function first fetches the array length and then loops over it. The issue is, printing a value is not side-effect free. An attacker-defined callback could run during js_print_value, during which the …
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Medium 5.6
quickjs-ng through 0.9.0 has an incorrect size calculation in JS_ReadBigInt for a BigInt, leading to a heap-based buffe…
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Medium 5.6
quickjs-ng through 0.9.0 has a missing length check in JS_ReadString for a string, leading to a heap-based buffer overf…
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Medium 4.3
quickjs-ng QuickJS qjs quickjs.c JS_GetRuntime stack-based overflow
A vulnerability was found in quickjs-ng QuickJS up to 0.8.0. It has been declared as problematic. Affected by this vulnerability is the function JS_GetRuntime of the file quickjs.c of the component qjs. The manipulation leads to stack-based buffer overflow. T…
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Medium 4.0
QuickJS commit 3b45d15 was discovered to contain an Assertion Failure via JS_FreeRuntime(JSRuntime *) at quickjs.c.
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High 7.5
QuickJS before c4cdd61 has a build_for_in_iterator NULL pointer dereference because of an erroneous lexical scope of "t…
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Low 3.9
QuickJS before 7414e5f has a quickjs.h JS_FreeValueRT use-after-free because of incorrect garbage collection of async f…