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CVE-2026-1979

Опубликовано: 06 фев. 2026
Источник: nvd
CVSS3: 5.3
CVSS3: 5.5
CVSS2: 4.3
EPSS Низкий

Описание

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.

Уязвимые конфигурации

Конфигурация 1
cpe:2.3:a:mruby:mruby:*:*:*:*:*:ruby:*:*
Версия до 3.4.0 (включая)

EPSS

Процентиль: 6%
0.00023
Низкий

5.3 Medium

CVSS3

5.5 Medium

CVSS3

4.3 Medium

CVSS2

Дефекты

CWE-119

Связанные уязвимости

CVSS3: 5.3
ubuntu
около 2 месяцев назад

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.

msrc
около 1 месяца назад

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

CVSS3: 5.3
debian
около 2 месяцев назад

A flaw has been found in mruby up to 3.4.0. This affects the function ...

CVSS3: 5.3
github
около 2 месяцев назад

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.

EPSS

Процентиль: 6%
0.00023
Низкий

5.3 Medium

CVSS3

5.5 Medium

CVSS3

4.3 Medium

CVSS2

Дефекты

CWE-119