Debian Mruby vulnerabilities

CVE-2022-1212 [CRITICAL] CVE-2022-1212: mruby - Use-After-Free in str_escape in mruby/mruby in GitHub repository mruby/mruby pri... Use-After-Free in str_escape in mruby/mruby in GitHub repository mruby/mruby prior to 3.2. Possible arbitrary code execution if being exploited. Scope: local bookworm: resolved (fixed in 3.0.0-4) bullseye: open forky: resolved (fixed in 3.0.0-4) sid: resolved (fixed in 3.0.0-4) trixie: resolved (fixed in 3.0.0-4)

CVE-2020-15866 [CRITICAL] CVE-2020-15866: mruby - mruby through 2.1.2-rc has a heap-based buffer overflow in the mrb_yield_with_cl... 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 function. Scope: local bookworm: resolved (fixed in 2.1.2-1) bullseye: resolved (fixed in 2.1.2-1) forky: resolved (fixed in 2.1.2-1) sid: resolved (fixed in 2.1.2-1) trixie: resolved (f

CVE-2018-10191 [CRITICAL] CVE-2018-10191: mruby - In versions of mruby up to and including 1.4.0, an integer overflow exists in sr... 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 code. Scope: local bookworm: resolved (fixed in 1.4.0+20180418+git54905e98-1)

CVE-2022-1286 [CRITICAL] CVE-2022-1286: mruby - heap-buffer-overflow in mrb_vm_exec in mruby/mruby in GitHub repository mruby/mr... 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 exploited. Scope: local bookworm: resolved (fixed in 3.0.0-4) bullseye: open forky: resolved (fixed in 3.0.0-4) sid: resolved (fixed in 3.0.0-4) trixie: resolved (fixed in 3.0.0-4)

CVE-2018-10199 [CRITICAL] CVE-2018-10199: mruby - In versions of mruby up to and including 1.4.0, a use-after-free vulnerability e... 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 code. Scope: local bookworm: resolved (fixed in 1.4.0+20180418+git54905e98-1) bullseye: resolved (fixed in 1.4.0+20180418+git54905e98-1) forky: resolve

CVE-2022-1427 [HIGH] CVE-2022-1427: mruby - Out-of-bounds Read in mrb_obj_is_kind_of in in GitHub repository mruby/mruby pri... 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 exploited. Scope: local bookworm: resolved (fixed in 3.1.0-1) bullseye: open forky: resolved (fixed in 3.1.0-1) sid: resolved (fixed in 3.1.0-1) trixie: resolved (fixed in 3.1.0-1)

CVE-2022-0481 [HIGH] CVE-2022-0481: mruby - NULL Pointer Dereference in Homebrew mruby prior to 3.2. NULL Pointer Dereference in Homebrew mruby prior to 3.2. Scope: local bookworm: resolved (fixed in 3.1.0-1) bullseye: open forky: resolved (fixed in 3.1.0-1) sid: resolved (fixed in 3.1.0-1) trixie: resolved (fixed in 3.1.0-1)

CVE-2022-1071 [HIGH] CVE-2022-1071: mruby - User after free in mrb_vm_exec in GitHub repository mruby/mruby prior to 3.2. User after free in mrb_vm_exec in GitHub repository mruby/mruby prior to 3.2. Scope: local bookworm: resolved (fixed in 3.1.0-1) bullseye: open forky: resolved (fixed in 3.1.0-1) sid: resolved (fixed in 3.1.0-1) trixie: resolved (fixed in 3.1.0-1)

CVE-2018-14337 [HIGH] CVE-2018-14337: mruby - The CHECK macro in mrbgems/mruby-sprintf/src/sprintf.c in mruby 1.4.1 contains a... 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 length. Scope: local bookworm: resolved (fixed in 2.0.0-1) bullseye: resolved (fixed in 2.0.0-1) forky: resolved (fixed in 2.0.0-1) sid: r

CVE-2018-12249 [HIGH] CVE-2018-12249: mruby - An issue was discovered in mruby 1.4.1. There is a NULL pointer dereference in m... 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 class.c. Scope: local bookworm: resolved (fixed in 1.4.1+20180622+git640fca32-1) bullseye: resolved (fixed in 1.4.1+20180622+git640fca32-1) forky: resolved (fixed in 1.4.1+20180622+git640fca32-1) sid: resolved (fixed in

CVE-2020-36401 [HIGH] CVE-2020-36401: mruby - mruby 2.1.2 has a double free in mrb_default_allocf (called from mrb_free and ob... mruby 2.1.2 has a double free in mrb_default_allocf (called from mrb_free and obj_free). Scope: local bookworm: resolved (fixed in 2.1.2-3) bullseye: resolved (fixed in 2.1.2-3) forky: resolved (fixed in 2.1.2-3) sid: resolved (fixed in 2.1.2-3) trixie: resolved (fixed in 2.1.2-3)

CVE-2018-12248 [HIGH] CVE-2018-12248: mruby - An issue was discovered in mruby 1.4.1. There is a heap-based buffer over-read a... 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 fiber. Scope: local bookworm: resolved (fixed in 1.4.1+20180622+git640fca32-1) bullseye: resolved (fixed in 1.4.1+20180622+git640fca32-1) forky: resolved (fixed in 1.4.1+

CVE-2018-11743 [CRITICAL] CVE-2018-11743: mruby - The init_copy function in kernel.c in mruby 1.4.1 makes initialize_copy calls fo... 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 impact. Scope: local bookworm: resolved (fixed in 1.4.1+20180622+git640fca32-1) bullseye: resolved (fixed in 1.4.1+201

CVE-2021-46023 [HIGH] CVE-2021-46023: mruby - An Untrusted Pointer Dereference was discovered in function mrb_vm_exec in mruby... 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 crash. Scope: local bookworm: resolved (fixed in 3.1.0-1) bullseye: open forky: resolved (fixed in 3.1.0-1) sid: resolved (fixed in 3.1.0-1) trixie: resolved (fixed in 3.1.0-1)

CVE-2021-46020 [HIGH] CVE-2021-46020: mruby - An untrusted pointer dereference in mrb_vm_exec() of mruby v3.0.0 can lead to a ... An untrusted pointer dereference in mrb_vm_exec() of mruby v3.0.0 can lead to a segmentation fault or application crash. Scope: local bookworm: resolved (fixed in 3.1.0-1) bullseye: open forky: resolved (fixed in 3.1.0-1) sid: resolved (fixed in 3.1.0-1) trixie: resolved (fixed in 3.1.0-1)

CVE-2017-9527 [HIGH] CVE-2017-9527: mruby - The mark_context_stack function in gc.c in mruby through 1.2.0 allows attackers ... 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 file. Scope: local bookworm: resolved (fixed in 1.3.0-1) bullseye: resolved (fixed in 1.3.0-1) forky: resolved (fixed in 1.3.0-1) sid: resolved (fixed in

CVE-2025-7207 [MEDIUM] CVE-2025-7207: mruby - A vulnerability, which was classified as problematic, was found in mruby up to 3... A vulnerability, which was classified as problematic, was found in mruby up to 3.4.0-rc2. Affected is the function scope_new of the file mrbgems/mruby-compiler/core/codegen.c of the component nregs Handler. The manipulation leads to heap-based buffer overflow. An attack has to be approached locally. The exploit has been disclosed to the public and may be used. The nam

CVE-2022-1201 [MEDIUM] CVE-2022-1201: mruby - NULL Pointer Dereference in mrb_vm_exec with super in GitHub repository mruby/mr... 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 system. Scope: local bookworm: resolved (fixed in 3.1.0-1) bullseye: open forky: resolved (fixed in 3.1.0-1) sid: resolved (fixed in 3.1.0-1) trixie: resolved (fixe

CVE-2022-0890 [MEDIUM] CVE-2022-0890: mruby - NULL Pointer Dereference in GitHub repository mruby/mruby prior to 3.2. NULL Pointer Dereference in GitHub repository mruby/mruby prior to 3.2. Scope: local bookworm: resolved (fixed in 3.1.0-1) bullseye: open forky: resolved (fixed in 3.1.0-1) sid: resolved (fixed in 3.1.0-1) trixie: resolved (fixed in 3.1.0-1)

CVE-2022-0080 [CRITICAL] CVE-2022-0080: mruby - mruby is vulnerable to Heap-based Buffer Overflow mruby is vulnerable to Heap-based Buffer Overflow Scope: local bookworm: resolved (fixed in 3.0.0-3) bullseye: open forky: resolved (fixed in 3.0.0-3) sid: resolved (fixed in 3.0.0-3) trixie: resolved (fixed in 3.0.0-3)