CVE catalog

CVE-2021-46023

mruby: CVE-2021-46023

[CVE catalog]

Severity
Medium
Published
Source
[NVD] · [CVE record]
EPSS
0.78% · Oct 25, 2026

An Untrusted Pointer Dereference was discovered in function mrb_vm_exec in mruby before 3.1.0-rc. The vulnerability causes a segmentation fault and application crash.

Vulnerable and fixed packages

Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.

DistributionPackageReleaseVersionStatus
Debianmrubysid4.0.0-1fixed
Debianmrubyforky4.0.0-1fixed
Debianmrubytrixie3.3.0-1fixed
Debianmrubybookworm3.1.0-3fixed

Fixed-version evidence

DistributionPackageTypeReleaseFixed versionUrgencyOriginBugs
Debianmrubysourcesid3.1.0-1not yet assignedNot reportedNot reported
Debianmrubysourceforky3.1.0-1not yet assignedNot reportedNot reported
Debianmrubysourcetrixie3.1.0-1not yet assignedNot reportedNot reported
Debianmrubysourcebookworm3.1.0-1not yet assignedNot reportedNot reported

OpenFactory catalog packages

[Debian 12 (Bookworm)]

  • Source package: [mruby]

    Details (2)
    • 3.1.0-3 · amd64 · bookworm

      Fixed · Fixed: 3.1.0-1

      dsa · mruby · debian · bookworm; dsa · mruby · debian · 12

    • 3.1.0-3 · arm64 · bookworm

      Fixed · Fixed: 3.1.0-1

      dsa · mruby · debian · bookworm; dsa · mruby · debian · 12

  • [mruby]Fixed
    Details (2)
    • 3.1.0-3 · amd64 · bookworm

      Fixed · Fixed: 3.1.0-1

      dsa · mruby · debian · bookworm; dsa · mruby · debian · 12

    • 3.1.0-3 · arm64 · bookworm

      Fixed · Fixed: 3.1.0-1

      dsa · mruby · debian · bookworm; dsa · mruby · debian · 12

[Debian 13 (Trixie)]

  • Source package: [mruby]

    Details (2)
    • 3.3.0-1 · amd64 · trixie

      Fixed · Fixed: 3.1.0-1

      dsa · mruby · debian · 13

    • 3.3.0-1+b1 · arm64 · trixie

      Fixed · Fixed: 3.1.0-1

      dsa · mruby · debian · 13

  • [mruby]Fixed

    Source package: [mruby]

    Details (2)
    • 3.3.0-1 · amd64 · trixie

      Fixed · Fixed: 3.1.0-1

      dsa · mruby · debian · 13

    • 3.3.0-1+b1 · arm64 · trixie

      Fixed · Fixed: 3.1.0-1

      dsa · mruby · debian · 13

Observed:

References