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Quickjs Project

Quickjs Project Quickjs: vulnerabilities and CVEs

Quickjs Project Quickjs has 14 published vulnerabilities, 9 of them in the last 12 months. 0 are rated critical and 0 are listed by CISA as actively exploited.

CVEs14
Last 12 months9
Critical0
Actively exploited0

All vulnerabilities in the catalogue →⭐ Follow this technology

Latest vulnerabilities

CVESeverityEPSSActive exploitationPublishedDescription
CVE-2025-69654High (7.5)0.28%—Mar 6, 2026
A crafted JavaScript input executed with the QuickJS release 2025-09-13, fixed in commit fcd33c1afa7b3028531f53cd1190a3877454f6b3 (2025-12-11),`qjs` interpreter using the `-m` option and a low memory limit can cause an…
CVE-2025-69653Medium (6.5)0.21%—Mar 6, 2026
A crafted JavaScript input can trigger an internal assertion failure in QuickJS release 2025-09-13, fixed in commit 1dbba8a88eaa40d15a8a9b70bb1a0b8fb5b552e6 (2025-12-11), in file gc_decref_child in quickjs.c, when…
CVE-2025-62496High (7.1)0.48%—Oct 16, 2025
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…
CVE-2025-62495High (7.1)0.46%—Oct 16, 2025
An integer overflow vulnerability exists in the QuickJS regular expression engine (libregexp) due to an inconsistent representation of the bytecode buffer size.
CVE-2025-62494High (7.1)0.51%—Oct 16, 2025
A type confusion vulnerability exists in the handling of the string addition (+) operation within the QuickJS engine. This mismatch between the assumed type (string) and the actual type allows an attacker to control the…
CVE-2025-62493Medium (5.9)0.38%—Oct 16, 2025
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…
CVE-2025-62492Medium (5.9)0.39%—Oct 16, 2025
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. $$d_{new} = d +…
CVE-2025-62491High (8.8)0.41%—Oct 16, 2025
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).
CVE-2025-62490High (8.8)0.41%—Oct 16, 2025
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…
CVE-2025-46688High (8.4)0.32%—Apr 27, 2025
quickjs-ng through 0.9.0 has an incorrect size calculation in JS_ReadBigInt for a BigInt, leading to a heap-based buffer overflow. QuickJS before 2025-04-26 is also affected.
CVE-2023-48184Low (3.9)0.34%—Apr 23, 2024
QuickJS before 7414e5f has a quickjs.h JS_FreeValueRT use-after-free because of incorrect garbage collection of async functions with closures.
CVE-2023-48183High (7.5)0.64%—Apr 23, 2024
QuickJS before c4cdd61 has a build_for_in_iterator NULL pointer dereference because of an erroneous lexical scope of "this" with eval.
CVE-2023-31922High (7.5)0.73%—May 12, 2023
QuickJS commit 2788d71 was discovered to contain a stack-overflow via the component js_proxy_isArray at quickjs.c.
CVE-2020-22876High (7.5)1.6%—Jul 13, 2021
Buffer Overflow vulnerability in quickjs.c in QuickJS, allows remote attackers to cause denial of service. This issue is resolved in the 2020-07-05 release.

🎯 How it gets exploited (ATT&CK techniques)

  1. T1059 Command and Scripting Interpreter5
  2. T1203 Exploitation for Client Execution5
  3. T1190 Exploit Public-Facing Application1
  4. T1499.004 Application or System Exploitation1

Number of CVEs of this technology mapped to each exploitation or primary-impact technique.