CVE-2022-28738
Critical
Published: 09 May 2022
Published
09 May 2022
Modified
21 November 2024
KEV Added
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Patch
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CVSS Score v3.1
9.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score
0.0046
64.5th percentile
Risk Priority
20
60% EPSS · 20% KEV · 20% CVSS
Summary
CVE-2022-28738 is a critical-severity Double Free (CWE-415) vulnerability in Ruby-Lang Ruby. Its CVSS base score is 9.8 (Critical).
Operationally, ranked in the top 35.5% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2022-33177
Vulnerability details
A double free was found in the Regexp compiler in Ruby 3.x before 3.0.4 and 3.1.x before 3.1.2. If a victim attempts to create a Regexp from untrusted user input, an attacker may be able to write to unexpected memory…
more
locations.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
ruby-lang
ruby
3.0.0 — 3.0.4 · 3.1.0 — 3.1.2
Mitigating Controls
No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.