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CVE-2022-1934

20
FAUCET Score

CVE-2022-1934 is a high-severity Use After Free vulnerability affecting mruby versions prior to 3.2. This flaw, with a CVSS score of 7.8, allows a local, low-privileged attacker to achieve high confidentiality, integrity, and availability impacts with low attack complexity. Despite its severity, there is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
< 3.2CPE matchmatch criteria
cpe:2.3:a:mruby:mruby:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

5.1MEDIUM

CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
LOW
Availability Impact
LOW
Exploitability Score
2.5
Impact Score
2.5
CvssVersion
3.0

Exploit Intelligence

EPSS Score
0.40%
Probability of exploitation in next 30 days
EPSS Percentile
32.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0040 is in the 72nd percentile among its peer group of 17,070 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

github_advisorypatch availablevia nvd_reference
View patch

References

github.com / mruby/mruby/commit/aa7f98dedb68d735a1665d3a289036c88b0c47ce
PatchThird Party Advisory
huntr.dev / bounties/99e6df06-b9f7-4c53-a722-6bb89fbfb51f
ExploitPatchThird Party Advisory