CVE-2026-1979
mruby JMPNOT-to-JMPIF Optimization vm.c mrb_vm_exec use after free
概要
mruby JMPNOT-to-JMPIF Optimization vm.c mrb_vm_exec use after free
原文の説明
取得元が公開している説明をそのまま載せています (多くは英語)。
A flaw has been found in mruby up to 3.4.0. This affects the function mrb_vm_exec 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 patch is called e50f15c1c6e131fa7934355eb02b8173b13df415. It is advisable to implement a patch to correct this issue.
ディストリビューション別の修正状況
各ディストリビューションが公開している、この CVE の修正パッケージ
- Debian DEBIAN-CVE-2026-1979 mruby
- Ubuntu UBUNTU-CVE-2026-1979 mruby
参照URL
- advisory github.com
- advisory nvd.nist.gov
- advisory vuldb.com
- advisory vuldb.com
- patch github.com
- report github.com
- report github.com
- report vuldb.com
- web github.com