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Package Instance

Lookup for vulnerable packages by Package URL.

Purlpkg:gem/json@2.7.4.rc1
Typegem
Namespace
Namejson
Version2.7.4.rc1
Qualifiers
Subpath
Is_vulnerabletrue
Next_non_vulnerable_versionnull
Latest_non_vulnerable_versionnull
Affected_by_vulnerabilities
0
url VCID-xghz-9k48-bqej
vulnerability_id VCID-xghz-9k48-bqej
summary 
Ruby JSON has a format string injection vulnerability
### Impact

A format string injection vulnerability than that lead to denial of service attacks or information disclosure, when the `allow_duplicate_key: false` parsing option is used to parse user supplied documents. 

This option isn't the default, if you didn't opt-in to use it, you are not impacted.

### Patches

Patched in `2.19.2`.

### Workarounds

The issue can be avoided by not using the `allow_duplicate_key: false` parsing option.
references
0
reference_url https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-33210.json
reference_id
reference_type
scores
0
value 6.5
scoring_system cvssv3
scoring_elements CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L
url https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-33210.json
1
reference_url https://api.first.org/data/v1/epss?cve=CVE-2026-33210
reference_id
reference_type
scores
0
value 0.00027
scoring_system epss
scoring_elements 0.07423
published_at 2026-04-16T12:55:00Z
1
value 0.00027
scoring_system epss
scoring_elements 0.07501
published_at 2026-04-13T12:55:00Z
2
value 0.00027
scoring_system epss
scoring_elements 0.07514
published_at 2026-04-12T12:55:00Z
3
value 0.00027
scoring_system epss
scoring_elements 0.07528
published_at 2026-04-11T12:55:00Z
4
value 0.00027
scoring_system epss
scoring_elements 0.07526
published_at 2026-04-09T12:55:00Z
5
value 0.00027
scoring_system epss
scoring_elements 0.07503
published_at 2026-04-08T12:55:00Z
6
value 0.00027
scoring_system epss
scoring_elements 0.07445
published_at 2026-04-07T12:55:00Z
7
value 0.00027
scoring_system epss
scoring_elements 0.07421
published_at 2026-04-02T12:55:00Z
8
value 0.00027
scoring_system epss
scoring_elements 0.07463
published_at 2026-04-04T12:55:00Z
9
value 0.00028
scoring_system epss
scoring_elements 0.07729
published_at 2026-04-18T12:55:00Z
url https://api.first.org/data/v1/epss?cve=CVE-2026-33210
2
reference_url https://github.com/ruby/json
reference_id
reference_type
scores
0
value 8.3
scoring_system cvssv4
scoring_elements CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N
1
value HIGH
scoring_system generic_textual
scoring_elements
url https://github.com/ruby/json
3
reference_url https://github.com/ruby/json/security/advisories/GHSA-3m6g-2423-7cp3
reference_id
reference_type
scores
0
value HIGH
scoring_system cvssv3.1_qr
scoring_elements
1
value 8.3
scoring_system cvssv4
scoring_elements CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N
2
value HIGH
scoring_system generic_textual
scoring_elements
3
value Track
scoring_system ssvc
scoring_elements SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2026-03-23T21:01:54Z/
url https://github.com/ruby/json/security/advisories/GHSA-3m6g-2423-7cp3
4
reference_url https://github.com/rubysec/ruby-advisory-db/blob/master/gems/json/CVE-2026-33210.yml
reference_id
reference_type
scores
0
value 8.3
scoring_system cvssv4
scoring_elements CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N
1
value HIGH
scoring_system generic_textual
scoring_elements
url https://github.com/rubysec/ruby-advisory-db/blob/master/gems/json/CVE-2026-33210.yml
5
reference_url https://nvd.nist.gov/vuln/detail/CVE-2026-33210
reference_id
reference_type
scores
0
value 8.3
scoring_system cvssv4
scoring_elements CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N
1
value HIGH
scoring_system generic_textual
scoring_elements
url https://nvd.nist.gov/vuln/detail/CVE-2026-33210
6
reference_url https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1131463
reference_id 1131463
reference_type
scores
url https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1131463
7
reference_url https://bugzilla.redhat.com/show_bug.cgi?id=2449871
reference_id 2449871
reference_type
scores
url https://bugzilla.redhat.com/show_bug.cgi?id=2449871
8
reference_url https://github.com/advisories/GHSA-3m6g-2423-7cp3
reference_id GHSA-3m6g-2423-7cp3
reference_type
scores
0
value HIGH
scoring_system cvssv3.1_qr
scoring_elements
url https://github.com/advisories/GHSA-3m6g-2423-7cp3
fixed_packages
0
url pkg:gem/json@2.15.2.1
purl pkg:gem/json@2.15.2.1
is_vulnerable true
affected_by_vulnerabilities
0
vulnerability VCID-xghz-9k48-bqej
resource_url http://public2.vulnerablecode.io/packages/pkg:gem/json@2.15.2.1
1
url pkg:gem/json@2.17.1.2
purl pkg:gem/json@2.17.1.2
is_vulnerable true
affected_by_vulnerabilities
0
vulnerability VCID-xghz-9k48-bqej
resource_url http://public2.vulnerablecode.io/packages/pkg:gem/json@2.17.1.2
2
url pkg:gem/json@2.19.2
purl pkg:gem/json@2.19.2
is_vulnerable true
affected_by_vulnerabilities
0
vulnerability VCID-xghz-9k48-bqej
resource_url http://public2.vulnerablecode.io/packages/pkg:gem/json@2.19.2
aliases CVE-2026-33210, GHSA-3m6g-2423-7cp3
risk_score 4.0
exploitability 0.5
weighted_severity 8.0
resource_url http://public2.vulnerablecode.io/vulnerabilities/VCID-xghz-9k48-bqej
Fixing_vulnerabilities
Risk_score4.0
Resource_urlhttp://public2.vulnerablecode.io/packages/pkg:gem/json@2.7.4.rc1