CVE-2022-0631 json
Heap-based Buffer Overflow in mruby/mruby
published 4y ago modified 4mo ago also EUVD-2022-15728
- cvss
- 5.9
- 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 60%
- public exploits
- 0
- none known
Summary
Heap-based Buffer Overflow in Homebrew mruby prior to 3.2.
Patch / fix
- mruby mruby/mruby 3.2
- mruby Alpine 3.24, Alpine 3.23, Alpine 3.22 +5 more 3.1.0-r0
alpine advisories ALPINE-CVE-2022-0631
Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0
Is CVE-2022-0631 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerExploit prediction
0.92% chance of exploitation in the next 30 days, higher than 60% of all scored CVEs (FIRST EPSS, 2026-11-09).
Exploits and checks
- huntr.dev https://huntr.dev/bounties/9bdc49ca-6697-4adc-a785-081e1961bf40 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.0 | 5.9 | CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L |
| NVD | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
Affected products
- mruby mruby/mruby
Classification
- Weakness
-
- CWE-122 Heap-based Buffer Overflow
References
-
github.com
/mruby/mruby/commit/47068ae07a5fa3aa9a1879cdfe98a9ce0f339299
patch, third-party-advisory
-
huntr.dev
/bounties/9bdc49ca-6697-4adc-a785-081e1961bf40
exploit, patch, third-party-advisory
Sources
- CVE List CVE-2022-0631
- NVD CVE-2022-0631
Fencer Intel 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.