CVE-2022-1212

highpriority · track · 40EPSS 0.018 · 78 %ileEUUS
grimoire priorityP2 · Scheduled
Exploitable?
—
no known exploitation
Likely / severe?
1.79% (78th) EPSS
CVSS 7.5 · high
Is it mine?
3 products
Check your exposure
Who says so?
3 sources
cnnvd · enisa_euvd · nvd

EPSS · scored 2026-10-27

Use-After-Free in str_escape in mruby/mruby in GitHub repository mruby/mruby prior to 3.2. Possible arbitrary code execution if being exploited.

01

cvss

Technical severity, 0–10. One row per scoring source.

9.8
010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 7.5–9.8

v2.07.5highAV:N/AC:L/Au:N/C:P/I:P/A:Pprimary · NVD / NIST USexploitability 10 · impact 6.4
v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 5.9
v3.09.3criticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:Hsecondary · ENISA EU
v3.09.3criticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:Hsecondary · security@huntr.devexploitability 3.9 · impact 4.7
v3.19criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)
02

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-416US
03

affected products (3)

Products and version ranges known to be affected.

04

also known as (3)

Other names and identifiers for this entity.

05

sources

Which sources assert this record, and when.

cnnvdenisa_euvdnvdNVDCVE.orgMITRE
published 2022-04-05modified 2026-06-17
06

references (7)

External citations — patches, advisories, analysis.

scry

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