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Package Instance

Lookup for vulnerable packages by Package URL.

Purlpkg:apk/alpine/libxml2@2.9.12-r0?arch=x86&distroversion=v3.12&reponame=main
Typeapk
Namespacealpine
Namelibxml2
Version2.9.12-r0
Qualifiers
arch x86
distroversion v3.12
reponame main
Subpath
Is_vulnerablefalse
Next_non_vulnerable_version2.9.13-r0
Latest_non_vulnerable_version2.9.14-r0
Affected_by_vulnerabilities
Fixing_vulnerabilities
0
url VCID-rsvx-3f49-v3an
vulnerability_id VCID-rsvx-3f49-v3an
summary 
Improper Restriction of Recursive Entity References in DTDs (XML Entity Expansion)
A flaw was found in libxml2. By exploiting an exponential entity expansion attack its possible bypassing all existing protection mechanisms and lead to a denial of service.
references
0
reference_url https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-3541.json
reference_id
reference_type
scores
0
value 6.5
scoring_system cvssv3
scoring_elements CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
url https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-3541.json
1
reference_url https://api.first.org/data/v1/epss?cve=CVE-2021-3541
reference_id
reference_type
scores
0
value 0.0006
scoring_system epss
scoring_elements 0.18918
published_at 2026-04-01T12:55:00Z
1
value 0.0006
scoring_system epss
scoring_elements 0.18834
published_at 2026-04-18T12:55:00Z
2
value 0.0006
scoring_system epss
scoring_elements 0.1887
published_at 2026-04-13T12:55:00Z
3
value 0.0006
scoring_system epss
scoring_elements 0.18822
published_at 2026-04-16T12:55:00Z
4
value 0.0006
scoring_system epss
scoring_elements 0.19054
published_at 2026-04-02T12:55:00Z
5
value 0.0006
scoring_system epss
scoring_elements 0.19106
published_at 2026-04-04T12:55:00Z
6
value 0.0006
scoring_system epss
scoring_elements 0.18828
published_at 2026-04-07T12:55:00Z
7
value 0.0006
scoring_system epss
scoring_elements 0.18907
published_at 2026-04-08T12:55:00Z
8
value 0.0006
scoring_system epss
scoring_elements 0.18962
published_at 2026-04-09T12:55:00Z
9
value 0.0006
scoring_system epss
scoring_elements 0.18968
published_at 2026-04-11T12:55:00Z
10
value 0.0006
scoring_system epss
scoring_elements 0.18921
published_at 2026-04-12T12:55:00Z
url https://api.first.org/data/v1/epss?cve=CVE-2021-3541
2
reference_url https://bugzilla.redhat.com/show_bug.cgi?id=1950515
reference_id
reference_type
scores
url https://bugzilla.redhat.com/show_bug.cgi?id=1950515
3
reference_url https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3541
reference_id
reference_type
scores
url https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3541
4
reference_url https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
reference_id
reference_type
scores
0
value 6.5
scoring_system cvssv3.1
scoring_elements CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
url https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
5
reference_url https://security.netapp.com/advisory/ntap-20210805-0007/
reference_id
reference_type
scores
url https://security.netapp.com/advisory/ntap-20210805-0007/
6
reference_url https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=988603
reference_id 988603
reference_type
scores
url https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=988603
7
reference_url https://security.archlinux.org/AVG-1883
reference_id AVG-1883
reference_type
scores
0
value High
scoring_system archlinux
scoring_elements
url https://security.archlinux.org/AVG-1883
8
reference_url https://nvd.nist.gov/vuln/detail/CVE-2021-3541
reference_id CVE-2021-3541
reference_type
scores
url https://nvd.nist.gov/vuln/detail/CVE-2021-3541
9
reference_url https://security.gentoo.org/glsa/202107-05
reference_id GLSA-202107-05
reference_type
scores
url https://security.gentoo.org/glsa/202107-05
10
reference_url https://access.redhat.com/errata/RHSA-2021:2569
reference_id RHSA-2021:2569
reference_type
scores
url https://access.redhat.com/errata/RHSA-2021:2569
11
reference_url https://access.redhat.com/errata/RHSA-2022:1389
reference_id RHSA-2022:1389
reference_type
scores
url https://access.redhat.com/errata/RHSA-2022:1389
12
reference_url https://access.redhat.com/errata/RHSA-2022:1390
reference_id RHSA-2022:1390
reference_type
scores
url https://access.redhat.com/errata/RHSA-2022:1390
13
reference_url https://usn.ubuntu.com/4991-1/
reference_id USN-4991-1
reference_type
scores
url https://usn.ubuntu.com/4991-1/
fixed_packages
0
url pkg:apk/alpine/libxml2@2.9.12-r0?arch=x86&distroversion=v3.12&reponame=main
purl pkg:apk/alpine/libxml2@2.9.12-r0?arch=x86&distroversion=v3.12&reponame=main
is_vulnerable false
affected_by_vulnerabilities
resource_url http://public2.vulnerablecode.io/packages/pkg:apk/alpine/libxml2@2.9.12-r0%3Farch=x86&distroversion=v3.12&reponame=main
aliases CVE-2021-3541
risk_score 4.0
exploitability 0.5
weighted_severity 8.0
resource_url http://public2.vulnerablecode.io/vulnerabilities/VCID-rsvx-3f49-v3an
Risk_scorenull
Resource_urlhttp://public2.vulnerablecode.io/packages/pkg:apk/alpine/libxml2@2.9.12-r0%3Farch=x86&distroversion=v3.12&reponame=main