Description

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.

INFO

Published Date :

2026-02-06T04:32:09.200Z

Last Modified :

2026-02-23T09:21:06.088Z

Source :

VulDB
AFFECTED PRODUCTS

The following products are affected by CVE-2026-1979 vulnerability.

Vendors Products
Mruby
  • Mruby
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2026-1979.

URL Resource
https://github.com/mruby/mruby/ cve-icon cve-icon
https://github.com/mruby/mruby/issues/6701 cve-icon cve-icon
https://github.com/mruby/mruby/issues/6701#issue-3802609843 cve-icon cve-icon
https://github.com/sysfce2/mruby/commit/e50f15c1c6e131fa7934355eb02b8173b13df415 cve-icon cve-icon
https://vuldb.com/?ctiid.344501 cve-icon cve-icon
https://vuldb.com/?id.344501 cve-icon cve-icon
https://vuldb.com/?submit.743377 cve-icon cve-icon
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