CVE catalog

CVE-2020-6838

mruby: CVE-2020-6838

[CVE catalog]

Severity
Low
Source
[NVD] · [CVE record]
EPSS
1.50% · Oct 25, 2026

In mruby 2.1.0, there is a use-after-free in hash_values_at in mrbgems/mruby-hash-ext/src/hash-ext.c.

Vulnerable and fixed packages

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

DistributionPackageReleaseVersionStatus
Debianmrubysid4.0.0-1not affected
Debianmrubyforky4.0.0-1not affected
Debianmrubytrixie3.3.0-1not affected
Debianmrubybookworm3.1.0-3not affected

Fixed-version evidence

DistributionPackageTypeReleaseFixed versionUrgencyOriginBugs
DebianmrubysourcesidNot affectedunimportantNot reportedNot reported
DebianmrubysourceforkyNot affectedunimportantNot reportedNot reported
DebianmrubysourcetrixieNot affectedunimportantNot reportedNot reported
DebianmrubysourcebookwormNot affectedunimportantNot reportedNot reported

OpenFactory catalog packages

[Debian 12 (Bookworm)]

  • [libmruby-dev]Not affected

    Source package: [mruby]

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

      Not affected

      dsa · mruby · debian · bookworm

    • 3.1.0-3 · arm64 · bookworm

      Not affected

      dsa · mruby · debian · bookworm

  • [mruby]Not affected
    Details (2)
    • 3.1.0-3 · amd64 · bookworm

      Not affected

      dsa · mruby · debian · bookworm

    • 3.1.0-3 · arm64 · bookworm

      Not affected

      dsa · mruby · debian · bookworm

Observed:

References