Source: mruby X-Debbugs-CC: [email protected] Severity: important Tags: security
Hi, The following vulnerability was published for mruby. CVE-2026-1979[0]: | 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. https://github.com/mruby/mruby/issues/6701 https://github.com/sysfce2/mruby/commit/e50f15c1c6e131fa7934355eb02b8173b13df415 If you fix the vulnerability please also make sure to include the CVE (Common Vulnerabilities & Exposures) id in your changelog entry. For further information see: [0] https://security-tracker.debian.org/tracker/CVE-2026-1979 https://www.cve.org/CVERecord?id=CVE-2026-1979 Please adjust the affected versions in the BTS as needed.
