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Lookup for vulnerable packages by Package URL.

Purlpkg:deb/debian/apache2@2.4.48-4?distro=trixie
Typedeb
Namespacedebian
Nameapache2
Version2.4.48-4
Qualifiers
distro trixie
Subpath
Is_vulnerablefalse
Next_non_vulnerable_version2.4.49-1
Latest_non_vulnerable_version2.4.66-8
Affected_by_vulnerabilities
Fixing_vulnerabilities
0
url VCID-db6k-j9mj-e7hy
vulnerability_id VCID-db6k-j9mj-e7hy
summary 
A crafted method sent through HTTP/2 will bypass validation and be forwarded by mod_proxy, which can lead to request splitting or cache poisoning.

This issue affects Apache HTTP Server 2.4.17 to 2.4.48.
references
0
reference_url https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-33193.json
reference_id
reference_type
scores
0
value 7.5
scoring_system cvssv3
scoring_elements CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
url https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-33193.json
1
reference_url https://api.first.org/data/v1/epss?cve=CVE-2021-33193
reference_id
reference_type
scores
0
value 0.00739
scoring_system epss
scoring_elements 0.72839
published_at 2026-04-01T12:55:00Z
1
value 0.00739
scoring_system epss
scoring_elements 0.729
published_at 2026-04-12T12:55:00Z
2
value 0.00739
scoring_system epss
scoring_elements 0.72879
published_at 2026-04-08T12:55:00Z
3
value 0.00739
scoring_system epss
scoring_elements 0.72892
published_at 2026-04-13T12:55:00Z
4
value 0.00739
scoring_system epss
scoring_elements 0.72917
published_at 2026-04-11T12:55:00Z
5
value 0.00739
scoring_system epss
scoring_elements 0.72846
published_at 2026-04-02T12:55:00Z
6
value 0.00739
scoring_system epss
scoring_elements 0.72866
published_at 2026-04-04T12:55:00Z
7
value 0.00739
scoring_system epss
scoring_elements 0.72841
published_at 2026-04-07T12:55:00Z
url https://api.first.org/data/v1/epss?cve=CVE-2021-33193
2
reference_url https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-33193
reference_id
reference_type
scores
url https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-33193
3
reference_url https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
reference_id
reference_type
scores
0
value 9.1
scoring_system cvssv3.1
scoring_elements CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
url https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
4
reference_url https://bugzilla.redhat.com/show_bug.cgi?id=1966728
reference_id 1966728
reference_type
scores
url https://bugzilla.redhat.com/show_bug.cgi?id=1966728
5
reference_url https://security.archlinux.org/AVG-2289
reference_id AVG-2289
reference_type
scores
0
value High
scoring_system archlinux
scoring_elements
url https://security.archlinux.org/AVG-2289
6
reference_url https://httpd.apache.org/security/json/CVE-2021-33193.json
reference_id CVE-2021-33193
reference_type
scores
0
value moderate
scoring_system apache_httpd
scoring_elements
url https://httpd.apache.org/security/json/CVE-2021-33193.json
7
reference_url https://security.gentoo.org/glsa/202208-20
reference_id GLSA-202208-20
reference_type
scores
url https://security.gentoo.org/glsa/202208-20
8
reference_url https://access.redhat.com/errata/RHSA-2022:1915
reference_id RHSA-2022:1915
reference_type
scores
url https://access.redhat.com/errata/RHSA-2022:1915
9
reference_url https://access.redhat.com/errata/RHSA-2022:6753
reference_id RHSA-2022:6753
reference_type
scores
url https://access.redhat.com/errata/RHSA-2022:6753
10
reference_url https://access.redhat.com/errata/RHSA-2022:7143
reference_id RHSA-2022:7143
reference_type
scores
url https://access.redhat.com/errata/RHSA-2022:7143
11
reference_url https://access.redhat.com/errata/RHSA-2022:7144
reference_id RHSA-2022:7144
reference_type
scores
url https://access.redhat.com/errata/RHSA-2022:7144
12
reference_url https://usn.ubuntu.com/5090-1/
reference_id USN-5090-1
reference_type
scores
url https://usn.ubuntu.com/5090-1/
fixed_packages
0
url pkg:deb/debian/apache2@2.4.48-3.1%2Bdeb11u1?distro=trixie
purl pkg:deb/debian/apache2@2.4.48-3.1%2Bdeb11u1?distro=trixie
is_vulnerable false
affected_by_vulnerabilities
resource_url http://public2.vulnerablecode.io/packages/pkg:deb/debian/apache2@2.4.48-3.1%252Bdeb11u1%3Fdistro=trixie
1
url pkg:deb/debian/apache2@2.4.48-4?distro=trixie
purl pkg:deb/debian/apache2@2.4.48-4?distro=trixie
is_vulnerable false
affected_by_vulnerabilities
resource_url http://public2.vulnerablecode.io/packages/pkg:deb/debian/apache2@2.4.48-4%3Fdistro=trixie
2
url pkg:deb/debian/apache2@2.4.62-1~deb11u1?distro=trixie
purl pkg:deb/debian/apache2@2.4.62-1~deb11u1?distro=trixie
is_vulnerable false
affected_by_vulnerabilities
resource_url http://public2.vulnerablecode.io/packages/pkg:deb/debian/apache2@2.4.62-1~deb11u1%3Fdistro=trixie
3
url pkg:deb/debian/apache2@2.4.66-1~deb12u1?distro=trixie
purl pkg:deb/debian/apache2@2.4.66-1~deb12u1?distro=trixie
is_vulnerable false
affected_by_vulnerabilities
resource_url http://public2.vulnerablecode.io/packages/pkg:deb/debian/apache2@2.4.66-1~deb12u1%3Fdistro=trixie
4
url pkg:deb/debian/apache2@2.4.66-1~deb13u2?distro=trixie
purl pkg:deb/debian/apache2@2.4.66-1~deb13u2?distro=trixie
is_vulnerable false
affected_by_vulnerabilities
resource_url http://public2.vulnerablecode.io/packages/pkg:deb/debian/apache2@2.4.66-1~deb13u2%3Fdistro=trixie
5
url pkg:deb/debian/apache2@2.4.66-8?distro=trixie
purl pkg:deb/debian/apache2@2.4.66-8?distro=trixie
is_vulnerable false
affected_by_vulnerabilities
resource_url http://public2.vulnerablecode.io/packages/pkg:deb/debian/apache2@2.4.66-8%3Fdistro=trixie
aliases CVE-2021-33193
risk_score 4.0
exploitability 0.5
weighted_severity 8.0
resource_url http://public2.vulnerablecode.io/vulnerabilities/VCID-db6k-j9mj-e7hy
Risk_scorenull
Resource_urlhttp://public2.vulnerablecode.io/packages/pkg:deb/debian/apache2@2.4.48-4%3Fdistro=trixie