Lookup for vulnerable packages by Package URL.

Purlpkg:deb/debian/ruby-sinatra@4.2.1-1?distro=trixie
Typedeb
Namespacedebian
Nameruby-sinatra
Version4.2.1-1
Qualifiers
distro trixie
Subpath
Is_vulnerablefalse
Next_non_vulnerable_version4.2.1-3
Latest_non_vulnerable_version4.2.1-3
Affected_by_vulnerabilities
Fixing_vulnerabilities
0
url VCID-tax5-a72w-mbhy
vulnerability_id VCID-tax5-a72w-mbhy
summary
Sinatra is vulnerable to ReDoS through ETag header value generation
There is a denial of service vulnerability in the `If-Match` and `If-None-Match` header parsing component of Sinatra, if the `etag` method is used when constructing the response and you are using Ruby < 3.2.
references
0
reference_url https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2025-61921.json
reference_id
reference_type
scores
0
value 5.3
scoring_system cvssv3
scoring_elements CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
url https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2025-61921.json
1
reference_url https://api.first.org/data/v1/epss?cve=CVE-2025-61921
reference_id
reference_type
scores
0
value 0.00397
scoring_system epss
scoring_elements 0.60467
published_at 2026-05-05T12:55:00Z
1
value 0.00397
scoring_system epss
scoring_elements 0.60508
published_at 2026-04-29T12:55:00Z
2
value 0.00397
scoring_system epss
scoring_elements 0.6052
published_at 2026-04-26T12:55:00Z
3
value 0.00397
scoring_system epss
scoring_elements 0.60433
published_at 2026-04-07T12:55:00Z
4
value 0.00397
scoring_system epss
scoring_elements 0.60506
published_at 2026-04-24T12:55:00Z
5
value 0.00397
scoring_system epss
scoring_elements 0.60523
published_at 2026-04-21T12:55:00Z
6
value 0.00397
scoring_system epss
scoring_elements 0.60534
published_at 2026-04-18T12:55:00Z
7
value 0.00397
scoring_system epss
scoring_elements 0.60526
published_at 2026-04-16T12:55:00Z
8
value 0.00397
scoring_system epss
scoring_elements 0.60484
published_at 2026-04-13T12:55:00Z
9
value 0.00397
scoring_system epss
scoring_elements 0.60481
published_at 2026-04-08T12:55:00Z
10
value 0.00397
scoring_system epss
scoring_elements 0.60497
published_at 2026-04-09T12:55:00Z
11
value 0.00397
scoring_system epss
scoring_elements 0.60518
published_at 2026-04-11T12:55:00Z
12
value 0.00397
scoring_system epss
scoring_elements 0.60438
published_at 2026-04-02T12:55:00Z
13
value 0.00397
scoring_system epss
scoring_elements 0.60465
published_at 2026-04-04T12:55:00Z
14
value 0.00397
scoring_system epss
scoring_elements 0.60505
published_at 2026-04-12T12:55:00Z
url https://api.first.org/data/v1/epss?cve=CVE-2025-61921
2
reference_url https://bugs.ruby-lang.org/issues/19104
reference_id
reference_type
scores
0
value 2.7
scoring_system cvssv4
scoring_elements CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U
1
value LOW
scoring_system generic_textual
scoring_elements
2
value Track
scoring_system ssvc
scoring_elements SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2025-10-10T20:54:24Z/
url https://bugs.ruby-lang.org/issues/19104
3
reference_url https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2025-61921
reference_id
reference_type
scores
url https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2025-61921
4
reference_url https://github.com/sinatra/sinatra
reference_id
reference_type
scores
0
value 2.7
scoring_system cvssv4
scoring_elements CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U
1
value LOW
scoring_system generic_textual
scoring_elements
url https://github.com/sinatra/sinatra
5
reference_url https://github.com/sinatra/sinatra/commit/3fe8c38dc405586f7ad8f2ac748aa53e9c3615bd
reference_id
reference_type
scores
0
value 2.7
scoring_system cvssv4
scoring_elements CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U
1
value LOW
scoring_system generic_textual
scoring_elements
url https://github.com/sinatra/sinatra/commit/3fe8c38dc405586f7ad8f2ac748aa53e9c3615bd
6
reference_url https://github.com/sinatra/sinatra/commit/8ff496bd4877520599e1479d6efead39304edceb
reference_id
reference_type
scores
0
value 2.7
scoring_system cvssv4
scoring_elements CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U
1
value LOW
scoring_system generic_textual
scoring_elements
url https://github.com/sinatra/sinatra/commit/8ff496bd4877520599e1479d6efead39304edceb
7
reference_url https://github.com/sinatra/sinatra/issues/2120
reference_id
reference_type
scores
0
value 2.7
scoring_system cvssv4
scoring_elements CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U
1
value LOW
scoring_system generic_textual
scoring_elements
2
value Track
scoring_system ssvc
scoring_elements SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2025-10-10T20:54:24Z/
url https://github.com/sinatra/sinatra/issues/2120
8
reference_url https://github.com/sinatra/sinatra/pull/1823
reference_id
reference_type
scores
0
value 2.7
scoring_system cvssv4
scoring_elements CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U
1
value LOW
scoring_system generic_textual
scoring_elements
2
value Track
scoring_system ssvc
scoring_elements SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2025-10-10T20:54:24Z/
url https://github.com/sinatra/sinatra/pull/1823
9
reference_url https://github.com/sinatra/sinatra/pull/2121
reference_id
reference_type
scores
0
value 2.7
scoring_system cvssv4
scoring_elements CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U
1
value LOW
scoring_system generic_textual
scoring_elements
2
value Track
scoring_system ssvc
scoring_elements SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2025-10-10T20:54:24Z/
url https://github.com/sinatra/sinatra/pull/2121
10
reference_url https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1118290
reference_id 1118290
reference_type
scores
url https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1118290
11
reference_url https://bugzilla.redhat.com/show_bug.cgi?id=2403178
reference_id 2403178
reference_type
scores
url https://bugzilla.redhat.com/show_bug.cgi?id=2403178
12
reference_url https://nvd.nist.gov/vuln/detail/CVE-2025-61921
reference_id CVE-2025-61921
reference_type
scores
0
value 2.7
scoring_system cvssv4
scoring_elements CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U
1
value LOW
scoring_system generic_textual
scoring_elements
url https://nvd.nist.gov/vuln/detail/CVE-2025-61921
13
reference_url https://github.com/rubysec/ruby-advisory-db/blob/master/gems/sinatra/CVE-2025-61921.yml
reference_id CVE-2025-61921.YML
reference_type
scores
0
value 2.7
scoring_system cvssv4
scoring_elements CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U
1
value LOW
scoring_system generic_textual
scoring_elements
url https://github.com/rubysec/ruby-advisory-db/blob/master/gems/sinatra/CVE-2025-61921.yml
14
reference_url https://github.com/advisories/GHSA-mr3q-g2mv-mr4q
reference_id GHSA-mr3q-g2mv-mr4q
reference_type
scores
0
value LOW
scoring_system cvssv3.1_qr
scoring_elements
url https://github.com/advisories/GHSA-mr3q-g2mv-mr4q
15
reference_url https://github.com/sinatra/sinatra/security/advisories/GHSA-mr3q-g2mv-mr4q
reference_id GHSA-mr3q-g2mv-mr4q
reference_type
scores
0
value LOW
scoring_system cvssv3.1_qr
scoring_elements
1
value 2.7
scoring_system cvssv4
scoring_elements CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U
2
value LOW
scoring_system generic_textual
scoring_elements
3
value Track
scoring_system ssvc
scoring_elements SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2025-10-10T20:54:24Z/
url https://github.com/sinatra/sinatra/security/advisories/GHSA-mr3q-g2mv-mr4q
fixed_packages
0
url pkg:deb/debian/ruby-sinatra@3.0.5-3%2Bdeb12u1?distro=trixie
purl pkg:deb/debian/ruby-sinatra@3.0.5-3%2Bdeb12u1?distro=trixie
is_vulnerable true
affected_by_vulnerabilities
0
vulnerability VCID-vy9q-nvxx-yfh5
resource_url http://public2.vulnerablecode.io/packages/pkg:deb/debian/ruby-sinatra@3.0.5-3%252Bdeb12u1%3Fdistro=trixie
1
url pkg:deb/debian/ruby-sinatra@4.2.1-1?distro=trixie
purl pkg:deb/debian/ruby-sinatra@4.2.1-1?distro=trixie
is_vulnerable false
affected_by_vulnerabilities
resource_url http://public2.vulnerablecode.io/packages/pkg:deb/debian/ruby-sinatra@4.2.1-1%3Fdistro=trixie
2
url pkg:deb/debian/ruby-sinatra@4.2.1-3?distro=trixie
purl pkg:deb/debian/ruby-sinatra@4.2.1-3?distro=trixie
is_vulnerable false
affected_by_vulnerabilities
resource_url http://public2.vulnerablecode.io/packages/pkg:deb/debian/ruby-sinatra@4.2.1-3%3Fdistro=trixie
aliases CVE-2025-61921, GHSA-mr3q-g2mv-mr4q
risk_score 2.4
exploitability 0.5
weighted_severity 4.8
resource_url http://public2.vulnerablecode.io/vulnerabilities/VCID-tax5-a72w-mbhy
Risk_scorenull
Resource_urlhttp://public2.vulnerablecode.io/packages/pkg:deb/debian/ruby-sinatra@4.2.1-1%3Fdistro=trixie