Lookup for vulnerable packages by Package URL.

Purlpkg:apache/httpd@2.4.46
Typeapache
Namespace
Namehttpd
Version2.4.46
Qualifiers
Subpath
Is_vulnerabletrue
Next_non_vulnerable_version2.4.54
Latest_non_vulnerable_version2.4.54
Affected_by_vulnerabilities
0
url VCID-17hy-4ppt-xyhw
vulnerability_id VCID-17hy-4ppt-xyhw
summary Apache HTTP Server versions 2.4.0 to 2.4.46 A specially crafted SessionHeader sent by an origin server could cause a heap overflow
references
0
reference_url https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-26691.json
reference_id
reference_type
scores
0
value 8.1
scoring_system cvssv3
scoring_elements CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
url https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-26691.json
1
reference_url https://api.first.org/data/v1/epss?cve=CVE-2021-26691
reference_id
reference_type
scores
0
value 0.40357
scoring_system epss
scoring_elements 0.97325
published_at 2026-04-01T12:55:00Z
1
value 0.40357
scoring_system epss
scoring_elements 0.97348
published_at 2026-04-13T12:55:00Z
2
value 0.40357
scoring_system epss
scoring_elements 0.97344
published_at 2026-04-09T12:55:00Z
3
value 0.40357
scoring_system epss
scoring_elements 0.97346
published_at 2026-04-11T12:55:00Z
4
value 0.40357
scoring_system epss
scoring_elements 0.97347
published_at 2026-04-12T12:55:00Z
5
value 0.40357
scoring_system epss
scoring_elements 0.97332
published_at 2026-04-02T12:55:00Z
6
value 0.40357
scoring_system epss
scoring_elements 0.97336
published_at 2026-04-07T12:55:00Z
7
value 0.40357
scoring_system epss
scoring_elements 0.97343
published_at 2026-04-08T12:55:00Z
url https://api.first.org/data/v1/epss?cve=CVE-2021-26691
2
reference_url https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-35452
reference_id
reference_type
scores
url https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-35452
3
reference_url https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-26690
reference_id
reference_type
scores
url https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-26690
4
reference_url https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-26691
reference_id
reference_type
scores
url https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-26691
5
reference_url https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-30641
reference_id
reference_type
scores
url https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-30641
6
reference_url https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-31618
reference_id
reference_type
scores
url https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-31618
7
reference_url https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
reference_id
reference_type
scores
0
value 7.5
scoring_system cvssv3.1
scoring_elements CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
url https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
8
reference_url https://bugzilla.redhat.com/show_bug.cgi?id=1966732
reference_id 1966732
reference_type
scores
url https://bugzilla.redhat.com/show_bug.cgi?id=1966732
9
reference_url https://security.archlinux.org/AVG-2053
reference_id AVG-2053
reference_type
scores
0
value Medium
scoring_system archlinux
scoring_elements
url https://security.archlinux.org/AVG-2053
10
reference_url https://httpd.apache.org/security/json/CVE-2021-26691.json
reference_id CVE-2021-26691
reference_type
scores
0
value low
scoring_system apache_httpd
scoring_elements
url https://httpd.apache.org/security/json/CVE-2021-26691.json
11
reference_url https://security.gentoo.org/glsa/202107-38
reference_id GLSA-202107-38
reference_type
scores
url https://security.gentoo.org/glsa/202107-38
12
reference_url https://access.redhat.com/errata/RHSA-2021:3816
reference_id RHSA-2021:3816
reference_type
scores
url https://access.redhat.com/errata/RHSA-2021:3816
13
reference_url https://access.redhat.com/errata/RHSA-2021:4613
reference_id RHSA-2021:4613
reference_type
scores
url https://access.redhat.com/errata/RHSA-2021:4613
14
reference_url https://access.redhat.com/errata/RHSA-2021:4614
reference_id RHSA-2021:4614
reference_type
scores
url https://access.redhat.com/errata/RHSA-2021:4614
15
reference_url https://access.redhat.com/errata/RHSA-2022:0143
reference_id RHSA-2022:0143
reference_type
scores
url https://access.redhat.com/errata/RHSA-2022:0143
16
reference_url https://usn.ubuntu.com/4994-1/
reference_id USN-4994-1
reference_type
scores
url https://usn.ubuntu.com/4994-1/
17
reference_url https://usn.ubuntu.com/4994-2/
reference_id USN-4994-2
reference_type
scores
url https://usn.ubuntu.com/4994-2/
fixed_packages
0
url pkg:apache/httpd@2.4.48
purl pkg:apache/httpd@2.4.48
is_vulnerable true
affected_by_vulnerabilities
0
vulnerability VCID-9u53-b79b-cfgd
1
vulnerability VCID-db6k-j9mj-e7hy
2
vulnerability VCID-mtg7-8556-kbgd
3
vulnerability VCID-rdtq-8ng5-53fn
4
vulnerability VCID-wrw6-uzz4-rkfb
resource_url http://public2.vulnerablecode.io/packages/pkg:apache/httpd@2.4.48
aliases CVE-2021-26691
risk_score 3.6
exploitability 0.5
weighted_severity 7.3
resource_url http://public2.vulnerablecode.io/vulnerabilities/VCID-17hy-4ppt-xyhw
1
url VCID-66k7-maf9-dfcd
vulnerability_id VCID-66k7-maf9-dfcd
summary Apache HTTP Server versions 2.4.0 to 2.4.46 A specially crafted Digest nonce can cause a stack overflow in mod_auth_digest. There is no report of this overflow being exploitable, nor the Apache HTTP Server team could create one, though some particular compiler and/or compilation option might make it possible, with limited consequences anyway due to the size (a single byte) and the value (zero byte) of the overflow
references
0
reference_url https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-35452.json
reference_id
reference_type
scores
0
value 7.3
scoring_system cvssv3
scoring_elements CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
url https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-35452.json
1
reference_url https://api.first.org/data/v1/epss?cve=CVE-2020-35452
reference_id
reference_type
scores
0
value 0.10695
scoring_system epss
scoring_elements 0.93289
published_at 2026-04-01T12:55:00Z
1
value 0.10695
scoring_system epss
scoring_elements 0.93319
published_at 2026-04-13T12:55:00Z
2
value 0.10695
scoring_system epss
scoring_elements 0.93315
published_at 2026-04-09T12:55:00Z
3
value 0.10695
scoring_system epss
scoring_elements 0.9332
published_at 2026-04-11T12:55:00Z
4
value 0.10695
scoring_system epss
scoring_elements 0.93318
published_at 2026-04-12T12:55:00Z
5
value 0.10695
scoring_system epss
scoring_elements 0.93297
published_at 2026-04-02T12:55:00Z
6
value 0.10695
scoring_system epss
scoring_elements 0.93303
published_at 2026-04-04T12:55:00Z
7
value 0.10695
scoring_system epss
scoring_elements 0.93302
published_at 2026-04-07T12:55:00Z
8
value 0.10695
scoring_system epss
scoring_elements 0.93311
published_at 2026-04-08T12:55:00Z
url https://api.first.org/data/v1/epss?cve=CVE-2020-35452
2
reference_url https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-35452
reference_id
reference_type
scores
url https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-35452
3
reference_url https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-26690
reference_id
reference_type
scores
url https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-26690
4
reference_url https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-26691
reference_id
reference_type
scores
url https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-26691
5
reference_url https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-30641
reference_id
reference_type
scores
url https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-30641
6
reference_url https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-31618
reference_id
reference_type
scores
url https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-31618
7
reference_url https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
reference_id
reference_type
scores
0
value 8.1
scoring_system cvssv3.1
scoring_elements CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
url https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
8
reference_url https://bugzilla.redhat.com/show_bug.cgi?id=1966724
reference_id 1966724
reference_type
scores
url https://bugzilla.redhat.com/show_bug.cgi?id=1966724
9
reference_url https://security.archlinux.org/AVG-2053
reference_id AVG-2053
reference_type
scores
0
value Medium
scoring_system archlinux
scoring_elements
url https://security.archlinux.org/AVG-2053
10
reference_url https://httpd.apache.org/security/json/CVE-2020-35452.json
reference_id CVE-2020-35452
reference_type
scores
0
value low
scoring_system apache_httpd
scoring_elements
url https://httpd.apache.org/security/json/CVE-2020-35452.json
11
reference_url https://security.gentoo.org/glsa/202107-38
reference_id GLSA-202107-38
reference_type
scores
url https://security.gentoo.org/glsa/202107-38
12
reference_url https://access.redhat.com/errata/RHSA-2021:4613
reference_id RHSA-2021:4613
reference_type
scores
url https://access.redhat.com/errata/RHSA-2021:4613
13
reference_url https://access.redhat.com/errata/RHSA-2021:4614
reference_id RHSA-2021:4614
reference_type
scores
url https://access.redhat.com/errata/RHSA-2021:4614
14
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
15
reference_url https://usn.ubuntu.com/4994-1/
reference_id USN-4994-1
reference_type
scores
url https://usn.ubuntu.com/4994-1/
16
reference_url https://usn.ubuntu.com/4994-2/
reference_id USN-4994-2
reference_type
scores
url https://usn.ubuntu.com/4994-2/
fixed_packages
0
url pkg:apache/httpd@2.4.48
purl pkg:apache/httpd@2.4.48
is_vulnerable true
affected_by_vulnerabilities
0
vulnerability VCID-9u53-b79b-cfgd
1
vulnerability VCID-db6k-j9mj-e7hy
2
vulnerability VCID-mtg7-8556-kbgd
3
vulnerability VCID-rdtq-8ng5-53fn
4
vulnerability VCID-wrw6-uzz4-rkfb
resource_url http://public2.vulnerablecode.io/packages/pkg:apache/httpd@2.4.48
aliases CVE-2020-35452
risk_score 3.3
exploitability 0.5
weighted_severity 6.6
resource_url http://public2.vulnerablecode.io/vulnerabilities/VCID-66k7-maf9-dfcd
2
url VCID-91u7-vh6n-v7fm
vulnerability_id VCID-91u7-vh6n-v7fm
summary Apache HTTP Server versions 2.4.0 to 2.4.46 Unprivileged local users can stop httpd on Windows
references
0
reference_url https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-13938.json
reference_id
reference_type
scores
0
value 6.2
scoring_system cvssv3
scoring_elements CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
url https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-13938.json
1
reference_url https://api.first.org/data/v1/epss?cve=CVE-2020-13938
reference_id
reference_type
scores
0
value 0.00071
scoring_system epss
scoring_elements 0.21778
published_at 2026-04-01T12:55:00Z
1
value 0.00071
scoring_system epss
scoring_elements 0.21808
published_at 2026-04-13T12:55:00Z
2
value 0.00071
scoring_system epss
scoring_elements 0.21906
published_at 2026-04-11T12:55:00Z
3
value 0.00071
scoring_system epss
scoring_elements 0.21866
published_at 2026-04-12T12:55:00Z
4
value 0.00071
scoring_system epss
scoring_elements 0.21943
published_at 2026-04-02T12:55:00Z
5
value 0.00071
scoring_system epss
scoring_elements 0.21997
published_at 2026-04-04T12:55:00Z
6
value 0.00071
scoring_system epss
scoring_elements 0.21761
published_at 2026-04-07T12:55:00Z
7
value 0.00071
scoring_system epss
scoring_elements 0.21839
published_at 2026-04-08T12:55:00Z
8
value 0.00071
scoring_system epss
scoring_elements 0.21894
published_at 2026-04-09T12:55:00Z
url https://api.first.org/data/v1/epss?cve=CVE-2020-13938
2
reference_url https://bugzilla.redhat.com/show_bug.cgi?id=1970006
reference_id 1970006
reference_type
scores
url https://bugzilla.redhat.com/show_bug.cgi?id=1970006
3
reference_url https://security.archlinux.org/AVG-2054
reference_id AVG-2054
reference_type
scores
0
value Medium
scoring_system archlinux
scoring_elements
url https://security.archlinux.org/AVG-2054
4
reference_url https://httpd.apache.org/security/json/CVE-2020-13938.json
reference_id CVE-2020-13938
reference_type
scores
0
value moderate
scoring_system apache_httpd
scoring_elements
url https://httpd.apache.org/security/json/CVE-2020-13938.json
fixed_packages
0
url pkg:apache/httpd@2.4.48
purl pkg:apache/httpd@2.4.48
is_vulnerable true
affected_by_vulnerabilities
0
vulnerability VCID-9u53-b79b-cfgd
1
vulnerability VCID-db6k-j9mj-e7hy
2
vulnerability VCID-mtg7-8556-kbgd
3
vulnerability VCID-rdtq-8ng5-53fn
4
vulnerability VCID-wrw6-uzz4-rkfb
resource_url http://public2.vulnerablecode.io/packages/pkg:apache/httpd@2.4.48
aliases CVE-2020-13938
risk_score 3.1
exploitability 0.5
weighted_severity 6.2
resource_url http://public2.vulnerablecode.io/vulnerabilities/VCID-91u7-vh6n-v7fm
3
url VCID-9ych-ybpr-j3h6
vulnerability_id VCID-9ych-ybpr-j3h6
summary Apache HTTP Server versions 2.4.41 to 2.4.46 mod_proxy_http can be made to crash (NULL pointer dereference) with specially crafted requests using both Content-Length and Transfer-Encoding headers, leading to a Denial of Service
references
0
reference_url https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-13950.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:N/A:H
url https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-13950.json
1
reference_url https://api.first.org/data/v1/epss?cve=CVE-2020-13950
reference_id
reference_type
scores
0
value 0.21543
scoring_system epss
scoring_elements 0.95684
published_at 2026-04-01T12:55:00Z
1
value 0.21543
scoring_system epss
scoring_elements 0.95718
published_at 2026-04-13T12:55:00Z
2
value 0.21543
scoring_system epss
scoring_elements 0.95714
published_at 2026-04-09T12:55:00Z
3
value 0.21543
scoring_system epss
scoring_elements 0.95717
published_at 2026-04-11T12:55:00Z
4
value 0.21543
scoring_system epss
scoring_elements 0.95716
published_at 2026-04-12T12:55:00Z
5
value 0.21543
scoring_system epss
scoring_elements 0.95693
published_at 2026-04-02T12:55:00Z
6
value 0.21543
scoring_system epss
scoring_elements 0.95698
published_at 2026-04-04T12:55:00Z
7
value 0.21543
scoring_system epss
scoring_elements 0.95701
published_at 2026-04-07T12:55:00Z
8
value 0.21543
scoring_system epss
scoring_elements 0.9571
published_at 2026-04-08T12:55:00Z
url https://api.first.org/data/v1/epss?cve=CVE-2020-13950
2
reference_url https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-13950
reference_id
reference_type
scores
url https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-13950
3
reference_url https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
reference_id
reference_type
scores
0
value 8.1
scoring_system cvssv3.1
scoring_elements CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
url https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
4
reference_url https://bugzilla.redhat.com/show_bug.cgi?id=1966738
reference_id 1966738
reference_type
scores
url https://bugzilla.redhat.com/show_bug.cgi?id=1966738
5
reference_url https://security.archlinux.org/AVG-2053
reference_id AVG-2053
reference_type
scores
0
value Medium
scoring_system archlinux
scoring_elements
url https://security.archlinux.org/AVG-2053
6
reference_url https://httpd.apache.org/security/json/CVE-2020-13950.json
reference_id CVE-2020-13950
reference_type
scores
0
value low
scoring_system apache_httpd
scoring_elements
url https://httpd.apache.org/security/json/CVE-2020-13950.json
7
reference_url https://security.gentoo.org/glsa/202107-38
reference_id GLSA-202107-38
reference_type
scores
url https://security.gentoo.org/glsa/202107-38
8
reference_url https://access.redhat.com/errata/RHSA-2021:4613
reference_id RHSA-2021:4613
reference_type
scores
url https://access.redhat.com/errata/RHSA-2021:4613
9
reference_url https://access.redhat.com/errata/RHSA-2021:4614
reference_id RHSA-2021:4614
reference_type
scores
url https://access.redhat.com/errata/RHSA-2021:4614
10
reference_url https://access.redhat.com/errata/RHSA-2022:5163
reference_id RHSA-2022:5163
reference_type
scores
url https://access.redhat.com/errata/RHSA-2022:5163
11
reference_url https://usn.ubuntu.com/4994-1/
reference_id USN-4994-1
reference_type
scores
url https://usn.ubuntu.com/4994-1/
fixed_packages
0
url pkg:apache/httpd@2.4.48
purl pkg:apache/httpd@2.4.48
is_vulnerable true
affected_by_vulnerabilities
0
vulnerability VCID-9u53-b79b-cfgd
1
vulnerability VCID-db6k-j9mj-e7hy
2
vulnerability VCID-mtg7-8556-kbgd
3
vulnerability VCID-rdtq-8ng5-53fn
4
vulnerability VCID-wrw6-uzz4-rkfb
resource_url http://public2.vulnerablecode.io/packages/pkg:apache/httpd@2.4.48
aliases CVE-2020-13950
risk_score 3.4
exploitability 0.5
weighted_severity 6.8
resource_url http://public2.vulnerablecode.io/vulnerabilities/VCID-9ych-ybpr-j3h6
4
url VCID-bvkg-nrwd-e7g8
vulnerability_id VCID-bvkg-nrwd-e7g8
summary Apache HTTP Server versions 2.4.0 to 2.4.46 A specially crafted Cookie header handled by mod_session can cause a NULL pointer dereference and crash, leading to a possible Denial Of Service
references
0
reference_url https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-26690.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:N/A:H
url https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-26690.json
1
reference_url https://api.first.org/data/v1/epss?cve=CVE-2021-26690
reference_id
reference_type
scores
0
value 0.70379
scoring_system epss
scoring_elements 0.98675
published_at 2026-04-02T12:55:00Z
1
value 0.70379
scoring_system epss
scoring_elements 0.98687
published_at 2026-04-13T12:55:00Z
2
value 0.70379
scoring_system epss
scoring_elements 0.98682
published_at 2026-04-08T12:55:00Z
3
value 0.70379
scoring_system epss
scoring_elements 0.98683
published_at 2026-04-09T12:55:00Z
4
value 0.70379
scoring_system epss
scoring_elements 0.98685
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