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Fencer Vulns
medium 6.8

CVE-2022-0717 json

Out-of-bounds Read in mruby/mruby

published 2022-02-23 4 y ago modified 2026-06-17 4 mo ago also EUVD-2022-15792

cvss
6.8
version 3.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.9%
EPSS 0.9% chance of exploitation in 30 days, percentile 59%
public exploits
0
none known

Summary

Out-of-bounds Read in GitHub repository mruby/mruby prior to 3.2.

Patch / fix

  • mruby mruby/mruby 3.2
  • mruby openSUSE Tumbleweed 3.4.0-1.1

opensuse advisories openSUSE-SU-2025:15333-1

Exploit prediction

0.90% chance of exploitation in the next 30 days, higher than 59% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • huntr.dev https://huntr.dev/bounties/27a851a5-7ebf-409b-854f-b2614771e8f9 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.0 6.8 CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
NVD 3.1 9.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
NVD 2.0 6.4 AV:N/AC:L/Au:N/C:P/I:N/A:P

Affected products

  • mruby mruby/mruby

Classification

Weakness

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.