CVE-2026-38973

mrubyc through release3.4.1 was found to contain an out-of-bounds read in builtin missing-method lookup inside mrbcfindmethod...

CVE-2026-38976

mrubyc through 3.4.1 was found to contain a NULL pointer dereference in src/vm.c in opsuper / OPSUPER due to a missing runtime guard for top-level super...

PT-2026-56021

Name of the Vulnerable Software and Affected Versions mrubyc versions prior to 3.4.2 Description An out-of-bounds read occurs during the builtin missing-method lookup within the mrbc find method function. Recommendations Update to a version newer than 3.4.1. As a temporary mitigation, restrict th...

CVE-2026-38973

mrubyc through release3.4.1 was found to contain an out-of-bounds read in builtin missing-method lookup inside mrbcfindmethod...

CVE-2026-38976

mrubyc through 3.4.1 was found to contain a NULL pointer dereference in src/vm.c in opsuper / OPSUPER due to a missing runtime guard for top-level super...

CVE-2026-38976

CVE-2026-38976 affects mrubyc up to version 3.4.1, with a NULL pointer dereference in src/vm.c (op_super/OP_SUPER) caused by a missing runtime guard for top-level super. Impact aligns with CVSS v3.1: HIGH (availability impact, no confidentiality/integrity impact). Connected documents consistently...

PT-2026-56022

Name of the Vulnerable Software and Affected Versions mrubyc versions prior to 3.4.2 Description A NULL pointer dereference occurs in the src/vm.c file within the op super function OP SUPER. This issue is caused by a missing runtime guard for top-level super. Recommendations Update to version 3.4...

CVE-2026-38973

mrubyc through release3.4.1 was found to contain an out-of-bounds read in builtin missing-method lookup inside mrbcfindmethod...

CVE-2026-38976

mrubyc through 3.4.1 was found to contain a NULL pointer dereference in src/vm.c in opsuper / OPSUPER due to a missing runtime guard for top-level super...

CVE-2025-13397

A security vulnerability has been detected in mrubyc up to 3.4. This impacts the function mrbcrawrealloc of the file src/alloc.c. Such manipulation of the argument ptr leads to null pointer dereference. An attack has to be approached locally. The name of the patch is...

CVE-2025-13397

A security vulnerability has been detected in mrubyc up to 3.4. This impacts the function mrbcrawrealloc of the file src/alloc.c. Such manipulation of the argument ptr leads to null pointer dereference. An attack has to be approached locally. The name of the patch is...

CVE-2025-13397 mrubyc alloc.c mrbc_raw_realloc null pointer dereference

A security vulnerability has been detected in mrubyc up to 3.4. This impacts the function mrbcrawrealloc of the file src/alloc.c. Such manipulation of the argument ptr leads to null pointer dereference. An attack has to be approached locally. The name of the patch is...

CVE-2025-13397 mrubyc alloc.c mrbc_raw_realloc null pointer dereference

A security vulnerability has been detected in mrubyc up to 3.4. This impacts the function mrbcrawrealloc of the file src/alloc.c. Such manipulation of the argument ptr leads to null pointer dereference. An attack has to be approached locally. The name of the patch is...

CVE-2025-13397 mrubyc alloc.c mrbc_raw_realloc null pointer dereference

A security vulnerability has been detected in mrubyc up to 3.4. This impacts the function mrbcrawrealloc of the file src/alloc.c. Such manipulation of the argument ptr leads to null pointer dereference. An attack has to be approached locally. The name of the patch is...

PT-2025-47462

A security vulnerability has been detected in mrubyc up to 3.4. This impacts the function mrbc raw realloc of the file src/alloc.c. Such manipulation of the argument ptr leads to null pointer dereference. An attack has to be approached locally. The name of the patch is...

null pointer dereference vulnerability in mrubyc 3.4

A security vulnerability has been detected in mrubyc up to 3.4. This impacts the function mrbcrawrealloc of the file src/alloc.c. Such manipulation of the argument ptr leads to null pointer dereference. An attack has to be approached locally...