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CVE-2022-0525

28
FAUCET Score

CVE-2022-0525 is a critical out-of-bounds read vulnerability affecting Homebrew mruby versions prior to 3.2. With a CVSS score of 9.1, it allows unauthenticated attackers to remotely achieve high confidentiality and availability impacts with low attack complexity. While there is no evidence of active exploitation, Metasploit, Nuclei, or ExploitDB modules, the vulnerability has garnered significant community attention with 10 mentions, indicating potential future exploit development.

Impacted Technologies

VendorProductVersion(s)CPE
<= 3.1CPE matchmatch criteria
cpe:2.3:a:mruby:mruby:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

8.4HIGH

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.5
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.15%
Probability of exploitation in next 30 days
EPSS Percentile
63.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0115 is in the 49th percentile among its peer group of 36,833 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 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/0849a2885f81cfd82134992c06df3ccd59052ac7
PatchThird Party Advisory
huntr.dev / bounties/e19e109f-acf0-4048-8ee8-1b10a870f1e9
ExploitThird Party Advisory