CVE-2022-1934 json
Use After Free in mruby/mruby
published 2022-05-31 4 y ago modified 2026-06-17 4 mo ago also EUVD-2022-25203
- cvss
- 5.1
- version 3.0, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.4%
- EPSS 0.4% chance of exploitation in 30 days, percentile 34%
- public exploits
- 0
- none known
Summary
Use After Free in GitHub repository mruby/mruby prior to 3.2.
Patch / fix
- mruby mruby/mruby 3.2
Exploit prediction
0.40% chance of exploitation in the next 30 days, higher than 34% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- huntr.dev https://huntr.dev/bounties/99e6df06-b9f7-4c53-a722-6bb89fbfb51f referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.0 | 5.1 | CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L |
| NVD | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 4.6 | AV:L/AC:L/Au:N/C:P/I:P/A:P |
Affected products
- mruby mruby/mruby
Classification
- Weakness
-
- CWE-416 Use After Free
References
-
github.com
/mruby/mruby/commit/aa7f98dedb68d735a1665d3a289036c88b0c47ce
patch, third-party-advisory
-
huntr.dev
/bounties/99e6df06-b9f7-4c53-a722-6bb89fbfb51f
exploit, patch, third-party-advisory
Sources
- CVE List CVE-2022-1934
- NVD CVE-2022-1934
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.