CVE-2022-28738

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Source
https://nvd.nist.gov/vuln/detail/CVE-2022-28738
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2022-28738.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2022-28738
Aliases
Downstream
Related
Published
2022-05-09T18:15:08Z
Modified
2025-09-19T13:55:02.618376Z
Severity
  • 9.8 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Summary
[none]
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 locations.

References

Affected packages

Alpine:v3.15

ruby

Package

Name
ruby
Purl
pkg:apk/alpine/ruby?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
3.0.4-r0

Affected versions

1.*

1.8.7_p72-r1
1.8.7_p72-r2
1.8.7_p160-r2
1.8.7_p160-r3
1.8.7_p174-r0
1.8.7_p174-r1
1.8.7_p174-r2
1.8.7_p174-r3
1.8.7_p174-r4
1.8.7_p174-r6
1.8.7_p174-r7
1.8.7_p299-r0
1.8.7_p299-r1
1.8.7_p299-r2
1.8.7_p352-r0
1.8.7_p352-r1
1.8.7_p358-r1
1.9.3_p194-r0
1.9.3_p286-r0
1.9.3_p286-r1
1.9.3_p286-r2
1.9.3_p327-r0
1.9.3_p362-r0
1.9.3_p374-r0
1.9.3_p385-r0
1.9.3_p392-r0

2.*

2.0.0_p0-r0
2.0.0_p0-r1
2.0.0_p195-r0
2.0.0_p247-r0
2.0.0_p247-r1
2.0.0_p247-r2
2.0.0_p247-r3
2.0.0_p353-r0
2.0.0_p353-r1
2.0.0_p353-r2
2.0.0_p481-r0
2.1.5-r0
2.1.5-r1
2.2.1-r0
2.2.2-r0
2.2.2-r1
2.2.3-r0
2.2.3-r1
2.2.4-r0
2.3.1-r0
2.3.1-r1
2.3.1-r2
2.3.2-r0
2.3.3-r0
2.3.3-r1
2.3.3-r2
2.3.3-r3
2.4.0-r3
2.4.1-r1
2.4.1-r2
2.4.1-r3
2.4.1-r4
2.4.1-r5
2.4.2-r0
2.4.2-r1
2.4.3-r0
2.5.0-r0
2.5.0-r1
2.5.1-r0
2.5.1-r1
2.5.1-r2
2.5.2-r0
2.5.3-r0
2.5.3-r1
2.5.3-r2
2.5.5-r0
2.6.3-r0
2.6.3-r1
2.6.3-r2
2.6.4-r0
2.6.5-r0
2.6.5-r1
2.6.5-r2
2.6.6-r2
2.6.6-r3
2.6.6-r4
2.7.1-r0
2.7.1-r1
2.7.1-r2
2.7.1-r3
2.7.1-r4
2.7.1-r5
2.7.2-r0
2.7.2-r1
2.7.2-r2
2.7.2-r3
2.7.2-r4
2.7.3-r0
2.7.3-r1
2.7.4-r0
2.7.4-r1
2.7.4-r2

3.*

3.0.2-r0
3.0.3-r0

Alpine:v3.16

ruby

Package

Name
ruby
Purl
pkg:apk/alpine/ruby?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
3.1.2-r0

Affected versions

1.*

1.8.7_p72-r1
1.8.7_p72-r2
1.8.7_p160-r2
1.8.7_p160-r3
1.8.7_p174-r0
1.8.7_p174-r1
1.8.7_p174-r2
1.8.7_p174-r3
1.8.7_p174-r4
1.8.7_p174-r6
1.8.7_p174-r7
1.8.7_p299-r0
1.8.7_p299-r1
1.8.7_p299-r2
1.8.7_p352-r0
1.8.7_p352-r1
1.8.7_p358-r1
1.9.3_p194-r0
1.9.3_p286-r0
1.9.3_p286-r1
1.9.3_p286-r2
1.9.3_p327-r0
1.9.3_p362-r0
1.9.3_p374-r0
1.9.3_p385-r0
1.9.3_p392-r0

2.*

2.0.0_p0-r0
2.0.0_p0-r1
2.0.0_p195-r0
2.0.0_p247-r0
2.0.0_p247-r1
2.0.0_p247-r2
2.0.0_p247-r3
2.0.0_p353-r0
2.0.0_p353-r1
2.0.0_p353-r2
2.0.0_p481-r0
2.1.5-r0
2.1.5-r1
2.2.1-r0
2.2.2-r0
2.2.2-r1
2.2.3-r0
2.2.3-r1
2.2.4-r0
2.3.1-r0
2.3.1-r1
2.3.1-r2
2.3.2-r0
2.3.3-r0
2.3.3-r1
2.3.3-r2
2.3.3-r3
2.4.0-r3
2.4.1-r1
2.4.1-r2
2.4.1-r3
2.4.1-r4
2.4.1-r5
2.4.2-r0
2.4.2-r1
2.4.3-r0
2.5.0-r0
2.5.0-r1
2.5.1-r0
2.5.1-r1
2.5.1-r2
2.5.2-r0
2.5.3-r0
2.5.3-r1
2.5.3-r2
2.5.5-r0
2.6.3-r0
2.6.3-r1
2.6.3-r2
2.6.4-r0
2.6.5-r0
2.6.5-r1
2.6.5-r2
2.6.6-r2
2.6.6-r3
2.6.6-r4
2.7.1-r0
2.7.1-r1
2.7.1-r2
2.7.1-r3
2.7.1-r4
2.7.1-r5
2.7.2-r0
2.7.2-r1
2.7.2-r2
2.7.2-r3
2.7.2-r4
2.7.3-r0
2.7.3-r1
2.7.4-r0
2.7.4-r1
2.7.4-r2

3.*

3.0.2-r0
3.0.3-r0
3.1.1-r0

Alpine:v3.17

ruby

Package

Name
ruby
Purl
pkg:apk/alpine/ruby?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
3.1.2-r0

Affected versions

1.*

1.8.7_p72-r1
1.8.7_p72-r2
1.8.7_p160-r2
1.8.7_p160-r3
1.8.7_p174-r0
1.8.7_p174-r1
1.8.7_p174-r2
1.8.7_p174-r3
1.8.7_p174-r4
1.8.7_p174-r6
1.8.7_p174-r7
1.8.7_p299-r0
1.8.7_p299-r1
1.8.7_p299-r2
1.8.7_p352-r0
1.8.7_p352-r1
1.8.7_p358-r1
1.9.3_p194-r0
1.9.3_p286-r0
1.9.3_p286-r1
1.9.3_p286-r2
1.9.3_p327-r0
1.9.3_p362-r0
1.9.3_p374-r0
1.9.3_p385-r0
1.9.3_p392-r0

2.*

2.0.0_p0-r0
2.0.0_p0-r1
2.0.0_p195-r0
2.0.0_p247-r0
2.0.0_p247-r1
2.0.0_p247-r2
2.0.0_p247-r3
2.0.0_p353-r0
2.0.0_p353-r1
2.0.0_p353-r2
2.0.0_p481-r0
2.1.5-r0
2.1.5-r1
2.2.1-r0
2.2.2-r0
2.2.2-r1
2.2.3-r0
2.2.3-r1
2.2.4-r0
2.3.1-r0
2.3.1-r1
2.3.1-r2
2.3.2-r0
2.3.3-r0
2.3.3-r1
2.3.3-r2
2.3.3-r3
2.4.0-r3
2.4.1-r1
2.4.1-r2
2.4.1-r3
2.4.1-r4
2.4.1-r5
2.4.2-r0
2.4.2-r1
2.4.3-r0
2.5.0-r0
2.5.0-r1
2.5.1-r0
2.5.1-r1
2.5.1-r2
2.5.2-r0
2.5.3-r0
2.5.3-r1
2.5.3-r2
2.5.5-r0
2.6.3-r0
2.6.3-r1
2.6.3-r2
2.6.4-r0
2.6.5-r0
2.6.5-r1
2.6.5-r2
2.6.6-r2
2.6.6-r3
2.6.6-r4
2.7.1-r0
2.7.1-r1
2.7.1-r2
2.7.1-r3
2.7.1-r4
2.7.1-r5
2.7.2-r0
2.7.2-r1
2.7.2-r2
2.7.2-r3
2.7.2-r4
2.7.3-r0
2.7.3-r1
2.7.4-r0
2.7.4-r1
2.7.4-r2

3.*

3.0.2-r0
3.0.3-r0
3.1.1-r0

Alpine:v3.18

ruby

Package

Name
ruby
Purl
pkg:apk/alpine/ruby?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
3.1.2-r0

Affected versions

1.*

1.8.7_p72-r1
1.8.7_p72-r2
1.8.7_p160-r2
1.8.7_p160-r3
1.8.7_p174-r0
1.8.7_p174-r1
1.8.7_p174-r2
1.8.7_p174-r3
1.8.7_p174-r4
1.8.7_p174-r6
1.8.7_p174-r7
1.8.7_p299-r0
1.8.7_p299-r1
1.8.7_p299-r2
1.8.7_p352-r0
1.8.7_p352-r1
1.8.7_p358-r1
1.9.3_p194-r0
1.9.3_p286-r0
1.9.3_p286-r1
1.9.3_p286-r2
1.9.3_p327-r0
1.9.3_p362-r0
1.9.3_p374-r0
1.9.3_p385-r0
1.9.3_p392-r0

2.*

2.0.0_p0-r0
2.0.0_p0-r1
2.0.0_p195-r0
2.0.0_p247-r0
2.0.0_p247-r1
2.0.0_p247-r2
2.0.0_p247-r3
2.0.0_p353-r0
2.0.0_p353-r1
2.0.0_p353-r2
2.0.0_p481-r0
2.1.5-r0
2.1.5-r1
2.2.1-r0
2.2.2-r0
2.2.2-r1
2.2.3-r0
2.2.3-r1
2.2.4-r0
2.3.1-r0
2.3.1-r1
2.3.1-r2
2.3.2-r0
2.3.3-r0
2.3.3-r1
2.3.3-r2
2.3.3-r3
2.4.0-r3
2.4.1-r1
2.4.1-r2
2.4.1-r3
2.4.1-r4
2.4.1-r5
2.4.2-r0
2.4.2-r1
2.4.3-r0
2.5.0-r0
2.5.0-r1
2.5.1-r0
2.5.1-r1
2.5.1-r2
2.5.2-r0
2.5.3-r0
2.5.3-r1
2.5.3-r2
2.5.5-r0
2.6.3-r0
2.6.3-r1
2.6.3-r2
2.6.4-r0
2.6.5-r0
2.6.5-r1
2.6.5-r2
2.6.6-r2
2.6.6-r3
2.6.6-r4
2.7.1-r0
2.7.1-r1
2.7.1-r2
2.7.1-r3
2.7.1-r4
2.7.1-r5
2.7.2-r0
2.7.2-r1
2.7.2-r2
2.7.2-r3
2.7.2-r4
2.7.3-r0
2.7.3-r1
2.7.4-r0
2.7.4-r1
2.7.4-r2

3.*

3.0.2-r0
3.0.3-r0
3.1.1-r0

Alpine:v3.19

ruby

Package

Name
ruby
Purl
pkg:apk/alpine/ruby?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
3.1.2-r0

Affected versions

1.*

1.8.7_p72-r1
1.8.7_p72-r2
1.8.7_p160-r2
1.8.7_p160-r3
1.8.7_p174-r0
1.8.7_p174-r1
1.8.7_p174-r2
1.8.7_p174-r3
1.8.7_p174-r4
1.8.7_p174-r6
1.8.7_p174-r7
1.8.7_p299-r0
1.8.7_p299-r1
1.8.7_p299-r2
1.8.7_p352-r0
1.8.7_p352-r1
1.8.7_p358-r1
1.9.3_p194-r0
1.9.3_p286-r0
1.9.3_p286-r1
1.9.3_p286-r2
1.9.3_p327-r0
1.9.3_p362-r0
1.9.3_p374-r0
1.9.3_p385-r0
1.9.3_p392-r0

2.*

2.0.0_p0-r0
2.0.0_p0-r1
2.0.0_p195-r0
2.0.0_p247-r0
2.0.0_p247-r1
2.0.0_p247-r2
2.0.0_p247-r3
2.0.0_p353-r0
2.0.0_p353-r1
2.0.0_p353-r2
2.0.0_p481-r0
2.1.5-r0
2.1.5-r1
2.2.1-r0
2.2.2-r0
2.2.2-r1
2.2.3-r0
2.2.3-r1
2.2.4-r0
2.3.1-r0
2.3.1-r1
2.3.1-r2
2.3.2-r0
2.3.3-r0
2.3.3-r1
2.3.3-r2
2.3.3-r3
2.4.0-r3
2.4.1-r1
2.4.1-r2
2.4.1-r3
2.4.1-r4
2.4.1-r5
2.4.2-r0
2.4.2-r1
2.4.3-r0
2.5.0-r0
2.5.0-r1
2.5.1-r0
2.5.1-r1
2.5.1-r2
2.5.2-r0
2.5.3-r0
2.5.3-r1
2.5.3-r2
2.5.5-r0
2.6.3-r0
2.6.3-r1
2.6.3-r2
2.6.4-r0
2.6.5-r0
2.6.5-r1
2.6.5-r2
2.6.6-r2
2.6.6-r3
2.6.6-r4
2.7.1-r0
2.7.1-r1
2.7.1-r2
2.7.1-r3
2.7.1-r4
2.7.1-r5
2.7.2-r0
2.7.2-r1
2.7.2-r2
2.7.2-r3
2.7.2-r4
2.7.3-r0
2.7.3-r1
2.7.4-r0
2.7.4-r1
2.7.4-r2

3.*

3.0.2-r0
3.0.3-r0
3.1.1-r0

Alpine:v3.20

ruby

Package

Name
ruby
Purl
pkg:apk/alpine/ruby?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
3.1.2-r0

Alpine:v3.21

ruby

Package

Name
ruby
Purl
pkg:apk/alpine/ruby?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
3.1.2-r0

Alpine:v3.22

ruby

Package

Name
ruby
Purl
pkg:apk/alpine/ruby?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
3.1.2-r0

Git

github.com/ruby/ruby

Affected ranges

Type
GIT
Repo
https://github.com/ruby/ruby
Events
Introduced
95aff214687a5e12c3eb57d056665741e734c188
Fixed
3fa771ddedac25560be57f4055f1767e6c810f58

Affected versions

Other

v3_0_0
v3_0_1
v3_0_2
v3_0_3

Database specific 

{
    "vanir_signatures": [
        {
            "id": "CVE-2022-28738-6a62c92b",
            "signature_type": "Function",
            "digest": {
                "function_hash": "328864874327574063403775378011327146659",
                "length": 8488.0
            },
            "target": {
                "file": "missing/dtoa.c",
                "function": "strtod"
            },
            "source": "https://github.com/ruby/ruby/commit/3fa771ddedac25560be57f4055f1767e6c810f58",
            "signature_version": "v1",
            "deprecated": false
        },
        {
            "id": "CVE-2022-28738-d67435c3",
            "signature_type": "Line",
            "digest": {
                "line_hashes": [
                    "337285692131683350587106124606194849187",
                    "171125667734974039822063106046701353862",
                    "315160000533057727845661241951943922131",
                    "27247823211488908491542581188290566144",
                    "268560890618114141161195735339343855241",
                    "321395545576834868767584132304880323141",
                    "12924114540111067235220886822648996878",
                    "18815063887966383786580032668437598724"
                ],
                "threshold": 0.9
            },
            "target": {
                "file": "missing/dtoa.c"
            },
            "source": "https://github.com/ruby/ruby/commit/3fa771ddedac25560be57f4055f1767e6c810f58",
            "signature_version": "v1",
            "deprecated": false
        }
    ]
}