Mruby Security Vulnerabilities

CVE-2021-46023

An Untrusted Pointer Dereference was discovered in function mrb_vm_exec in mruby before 3.1.0-rc. The vulnerability causes a segmentation fault and application...

CVE-2022-1201

NULL Pointer Dereference in mrb_vm_exec with super in GitHub repository mruby/mruby prior to 3.2. This vulnerability is capable of making the mruby interpreter crash, thus affecting the availability of the...

CVE-2022-0614

Use of Out-of-range Pointer Offset in Homebrew mruby prior to...

CVE-2022-1427

Out-of-bounds Read in mrb_obj_is_kind_of in in GitHub repository mruby/mruby prior to 3.2. # Impact: Possible arbitrary code execution if being...

CVE-2018-10199

In versions of mruby up to and including 1.4.0, a use-after-free vulnerability exists in src/io.c::File#initilialize_copy(). An attacker that can cause Ruby code to be run can possibly use this to execute arbitrary...

CVE-2018-12247

An issue was discovered in mruby 1.4.1. There is a NULL pointer dereference in mrb_class, related to certain .clone usage, because mrb_obj_clone in kernel.c copies flags other than the MRB_FLAG_IS_FROZEN flag (e.g., the embedded...

CVE-2018-12248

An issue was discovered in mruby 1.4.1. There is a heap-based buffer over-read associated with OP_ENTER because mrbgems/mruby-fiber/src/fiber.c does not extend the stack in cases of many arguments to...

CVE-2022-1934

Use After Free in GitHub repository mruby/mruby prior to...

CVE-2022-1286

heap-buffer-overflow in mrb_vm_exec in mruby/mruby in GitHub repository mruby/mruby prior to 3.2. Possible arbitrary code execution if being...

CVE-2022-1276

Out-of-bounds Read in mrb_get_args in GitHub repository mruby/mruby prior to 3.2. Possible arbitrary code execution if being...

CVE-2022-1212

Use-After-Free in str_escape in mruby/mruby in GitHub repository mruby/mruby prior to 3.2. Possible arbitrary code execution if being...

CVE-2022-1106

use after free in mrb_vm_exec in GitHub repository mruby/mruby prior to...

CVE-2022-1071

User after free in mrb_vm_exec in GitHub repository mruby/mruby prior to...

CVE-2022-0890

NULL Pointer Dereference in GitHub repository mruby/mruby prior to...

CVE-2022-0717

Out-of-bounds Read in GitHub repository mruby/mruby prior to...

CVE-2022-0632

NULL Pointer Dereference in Homebrew mruby prior to...

CVE-2022-0630

Out-of-bounds Read in Homebrew mruby prior to...

CVE-2022-0631

Heap-based Buffer Overflow in Homebrew mruby prior to...

CVE-2022-0623

Out-of-bounds Read in Homebrew mruby prior to...

CVE-2022-0570

Heap-based Buffer Overflow in Homebrew mruby prior to...

CVE-2022-0525

Out-of-bounds Read in Homebrew mruby prior to...

CVE-2022-0481

NULL Pointer Dereference in Homebrew mruby prior to...

CVE-2022-0326

NULL Pointer Dereference in Homebrew mruby prior to...

CVE-2022-0240

mruby is vulnerable to NULL Pointer...

CVE-2021-46020

An untrusted pointer dereference in mrb_vm_exec() of mruby v3.0.0 can lead to a segmentation fault or application...

CVE-2022-0080

mruby is vulnerable to Heap-based Buffer...

CVE-2021-4188

mruby is vulnerable to NULL Pointer...

CVE-2021-4110

mruby is vulnerable to NULL Pointer...

CVE-2020-36401

mruby 2.1.2 has a double free in mrb_default_allocf (called from mrb_free and...

CVE-2020-15866

mruby through 2.1.2-rc has a heap-based buffer overflow in the mrb_yield_with_class function in vm.c because of incorrect VM stack handling. It can be triggered via the stack_copy...

CVE-2020-6840

In mruby 2.1.0, there is a use-after-free in hash_slice in...

CVE-2020-6839

In mruby 2.1.0, there is a stack-based buffer overflow in mrb_str_len_to_dbl in...

CVE-2020-6838

In mruby 2.1.0, there is a use-after-free in hash_values_at in...

CVE-2018-14337

The CHECK macro in mrbgems/mruby-sprintf/src/sprintf.c in mruby 1.4.1 contains a signed integer overflow, possibly leading to out-of-bounds memory access because the mrb_str_resize function in string.c does not check for a negative...

CVE-2018-12249

An issue was discovered in mruby 1.4.1. There is a NULL pointer dereference in mrb_class_real because "class BasicObject" is not properly supported in...

CVE-2018-11743

The init_copy function in kernel.c in mruby 1.4.1 makes initialize_copy calls for TT_ICLASS objects, which allows attackers to cause a denial of service (mrb_hash_keys uninitialized pointer and application crash) or possibly have unspecified other...

CVE-2018-10191

In versions of mruby up to and including 1.4.0, an integer overflow exists in src/vm.c::mrb_vm_exec() when handling OP_GETUPVAR in the presence of deep scope nesting, resulting in a use-after-free. An attacker that can cause Ruby code to be run can use this to possibly execute arbitrary...

CVE-2017-9527

The mark_context_stack function in gc.c in mruby through 1.2.0 allows attackers to cause a denial of service (heap-based use-after-free and application crash) or possibly have unspecified other impact via a crafted .rb...