Lookup for vulnerabilities affecting packages.

Vulnerability_idVCID-ne61-utfg-8bgx
SummaryKnot Resolver before 5.3.2 is prone to an assertion failure, triggerable by a remote attacker in an edge case (NSEC3 with too many iterations used for a positive wildcard proof).
Aliases
0
alias CVE-2021-40083
Fixed_packages
0
url pkg:deb/debian/knot-resolver@5.3.1-1%2Bdeb11u1
purl pkg:deb/debian/knot-resolver@5.3.1-1%2Bdeb11u1
is_vulnerable true
affected_by_vulnerabilities
0
vulnerability VCID-66sa-bc5p-jqde
1
vulnerability VCID-c7c5-awxv-j3de
2
vulnerability VCID-efrw-bm7j-6qgz
3
vulnerability VCID-ps4g-f1q9-wqhm
4
vulnerability VCID-vprj-j7u6-zbe7
resource_url http://public2.vulnerablecode.io/packages/pkg:deb/debian/knot-resolver@5.3.1-1%252Bdeb11u1
1
url pkg:deb/debian/knot-resolver@5.3.1-1%2Bdeb11u1?distro=trixie
purl pkg:deb/debian/knot-resolver@5.3.1-1%2Bdeb11u1?distro=trixie
is_vulnerable true
affected_by_vulnerabilities
0
vulnerability VCID-66sa-bc5p-jqde
1
vulnerability VCID-c7c5-awxv-j3de
2
vulnerability VCID-efrw-bm7j-6qgz
3
vulnerability VCID-ps4g-f1q9-wqhm
4
vulnerability VCID-vprj-j7u6-zbe7
resource_url http://public2.vulnerablecode.io/packages/pkg:deb/debian/knot-resolver@5.3.1-1%252Bdeb11u1%3Fdistro=trixie
2
url pkg:deb/debian/knot-resolver@5.4.1-2?distro=trixie
purl pkg:deb/debian/knot-resolver@5.4.1-2?distro=trixie
is_vulnerable false
affected_by_vulnerabilities
resource_url http://public2.vulnerablecode.io/packages/pkg:deb/debian/knot-resolver@5.4.1-2%3Fdistro=trixie
3
url pkg:deb/debian/knot-resolver@5.6.0-1%2Bdeb12u1?distro=trixie
purl pkg:deb/debian/knot-resolver@5.6.0-1%2Bdeb12u1?distro=trixie
is_vulnerable false
affected_by_vulnerabilities
resource_url http://public2.vulnerablecode.io/packages/pkg:deb/debian/knot-resolver@5.6.0-1%252Bdeb12u1%3Fdistro=trixie
4
url pkg:deb/debian/knot-resolver@5.7.5-1?distro=trixie
purl pkg:deb/debian/knot-resolver@5.7.5-1?distro=trixie
is_vulnerable false
affected_by_vulnerabilities
resource_url http://public2.vulnerablecode.io/packages/pkg:deb/debian/knot-resolver@5.7.5-1%3Fdistro=trixie
5
url pkg:deb/debian/knot-resolver@6.2.0-2?distro=trixie
purl pkg:deb/debian/knot-resolver@6.2.0-2?distro=trixie
is_vulnerable false
affected_by_vulnerabilities
resource_url http://public2.vulnerablecode.io/packages/pkg:deb/debian/knot-resolver@6.2.0-2%3Fdistro=trixie
Affected_packages
0
url pkg:deb/debian/knot-resolver@3.2.1-3
purl pkg:deb/debian/knot-resolver@3.2.1-3
is_vulnerable true
affected_by_vulnerabilities
0
vulnerability VCID-2wu3-v2hz-q3bv
1
vulnerability VCID-8ks2-kv5d-gkdc
2
vulnerability VCID-fptj-ztkq-7uag
3
vulnerability VCID-g2wb-bccm-ufhn
4
vulnerability VCID-ne61-utfg-8bgx
resource_url http://public2.vulnerablecode.io/packages/pkg:deb/debian/knot-resolver@3.2.1-3
References
0
reference_url https://api.first.org/data/v1/epss?cve=CVE-2021-40083
reference_id
reference_type
scores
0
value 0.0084
scoring_system epss
scoring_elements 0.74656
published_at 2026-04-01T12:55:00Z
1
value 0.0084
scoring_system epss
scoring_elements 0.7466
published_at 2026-04-02T12:55:00Z
2
value 0.0084
scoring_system epss
scoring_elements 0.74687
published_at 2026-04-04T12:55:00Z
3
value 0.0084
scoring_system epss
scoring_elements 0.74661
published_at 2026-04-07T12:55:00Z
4
value 0.0084
scoring_system epss
scoring_elements 0.74693
published_at 2026-04-08T12:55:00Z
5
value 0.0084
scoring_system epss
scoring_elements 0.74708
published_at 2026-04-09T12:55:00Z
6
value 0.0084
scoring_system epss
scoring_elements 0.74731
published_at 2026-04-11T12:55:00Z
7
value 0.0084
scoring_system epss
scoring_elements 0.7471
published_at 2026-04-12T12:55:00Z
8
value 0.0084
scoring_system epss
scoring_elements 0.74702
published_at 2026-04-13T12:55:00Z
9
value 0.0084
scoring_system epss
scoring_elements 0.74739
published_at 2026-04-16T12:55:00Z
10
value 0.0084
scoring_system epss
scoring_elements 0.74747
published_at 2026-04-18T12:55:00Z
11
value 0.0084
scoring_system epss
scoring_elements 0.74737
published_at 2026-04-21T12:55:00Z
12
value 0.0084
scoring_system epss
scoring_elements 0.74773
published_at 2026-04-24T12:55:00Z
13
value 0.0084
scoring_system epss
scoring_elements 0.74779
published_at 2026-04-26T12:55:00Z
14
value 0.0084
scoring_system epss
scoring_elements 0.74782
published_at 2026-04-29T12:55:00Z
15
value 0.0084
scoring_system epss
scoring_elements 0.74784
published_at 2026-05-05T12:55:00Z
16
value 0.0084
scoring_system epss
scoring_elements 0.74816
published_at 2026-05-07T12:55:00Z
17
value 0.0084
scoring_system epss
scoring_elements 0.74841
published_at 2026-05-09T12:55:00Z
18
value 0.0084
scoring_system epss
scoring_elements 0.7481
published_at 2026-05-11T12:55:00Z
19
value 0.0084
scoring_system epss
scoring_elements 0.74829
published_at 2026-05-12T12:55:00Z
20
value 0.0084
scoring_system epss
scoring_elements 0.74884
published_at 2026-05-14T12:55:00Z
url https://api.first.org/data/v1/epss?cve=CVE-2021-40083
1
reference_url https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-40083
reference_id
reference_type
scores
url https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-40083
2
reference_url https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=991463
reference_id 991463
reference_type
scores
url https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=991463
Weaknesses
Exploits
Severity_range_scorenull
Exploitability0.5
Weighted_severity0.0
Risk_scorenull
Resource_urlhttp://public2.vulnerablecode.io/vulnerabilities/VCID-ne61-utfg-8bgx