CVE-2026-1979

A flaw has been found in mruby up to 3.4.0. This affects the function mrbvmexec of the file src/vm.c of the component JMPNOT-to-JMPIF Optimization. Executing a manipulation can lead to use after free. The attack needs to be launched locally. The exploit has been published and may be used. This...

UBUNTU-CVE-2026-1979

A flaw has been found in mruby up to 3.4.0. This affects the function mrbvmexec of the file src/vm.c of the component JMPNOT-to-JMPIF Optimization. Executing a manipulation can lead to use after free. The attack needs to be launched locally. The exploit has been published and may be used. This...

CVE-2026-1979 mruby JMPNOT-to-JMPIF Optimization vm.c mrb_vm_exec use after free

A flaw has been found in mruby up to 3.4.0. This affects the function mrbvmexec of the file src/vm.c of the component JMPNOT-to-JMPIF Optimization. Executing a manipulation can lead to use after free. The attack needs to be launched locally. The exploit has been published and may be used. This...

CVE-2026-1979: Use After Free

A flaw has been found in mruby up to 3.4.0. This affects the function mrbvmexec of the file src/vm.c of the component JMPNOT-to-JMPIF Optimization. Executing a manipulation can lead to use after free. The attack needs to be launched locally. The exploit has been published and may be used. This...

Heap-Use-after-Free vulnerability in mruby's mrb_vm_exec function

A flaw has been found in mruby up to 3.4.0. This affects the function mrbvmexec of the file src/vm.c of the component JMPNOT-to-JMPIF Optimization. Executing a manipulation can lead to use after free. The attack needs to be launched locally. The exploit has been published and may be used. This...

EUVD-2022-24541

Malicious code in bioql PyPI...

EUVD-2022-24415

Malicious code in bioql PyPI...

EUVD-2022-24449

Malicious code in bioql PyPI...

CVE-2022-1071

User after free in mrbvmexec in GitHub repository mruby/mruby prior to 3.2...

CVE-2022-1106

use after free in mrbvmexec in GitHub repository mruby/mruby prior to 3.2...

OSV-2024-1128 Segv on unknown address in udiv

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=368076871 Crash type: Segv on unknown address Crash state: udiv mrbbintmod mrbvmexec...

OSV-2024-65 Heap-buffer-overflow in mrb_memsearch

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=66208 Crash type: Heap-buffer-overflow READ 8 Crash state: mrbmemsearch mrbstrsplitm mrbvmexec...

OSV-2024-30 Heap-buffer-overflow in mrb_memsearch

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=66000 Crash type: Heap-buffer-overflow READ 3 Crash state: mrbmemsearch mrbstrbyteindexm mrbvmexec...

OSV-2023-937 Heap-buffer-overflow in pack_unpack

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=62822 Crash type: Heap-buffer-overflow READ 1 Crash state: packunpack mrbpackunpack mrbvmexec...

OSV-2023-881 Heap-buffer-overflow in read_tmpl

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=62500 Crash type: Heap-buffer-overflow READ 1 Crash state: readtmpl mrbpackpack mrbvmexec...

OSV-2023-280 Heap-use-after-free in mrb_str_hash_m

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=57672 Crash type: Heap-use-after-free READ 1 Crash state: mrbstrhashm mrbvmexec mrbvmrun...

OSV-2023-151 UNKNOWN READ in mrb_vm_find_method

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=56687 Crash type: UNKNOWN READ Crash state: mrbvmfindmethod mrbvmexec mrbvmrun...

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.

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SUSE CVE-2022-1071

User after free in mrbvmexec in GitHub repository mruby/mruby prior to 3.2...

SUSE CVE-2022-1201

NULL Pointer Dereference in mrbvmexec 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...