Django REST framework

Vulnerability Instance

Lookup for vulnerabilities affecting packages.

Vulnerability_idVCID-favj-1bjh-9uff
Summarycalibre before 5.32.0 contains a regular expression that is vulnerable to ReDoS (Regular Expression Denial of Service) in html_preprocess_rules in ebooks/conversion/preprocess.py.
Aliases
0
alias CVE-2021-44686
Fixed_packages
0
url pkg:deb/debian/calibre@5.12.0%2Bdfsg-1%2Bdeb11u2?distro=trixie
purl pkg:deb/debian/calibre@5.12.0%2Bdfsg-1%2Bdeb11u2?distro=trixie
is_vulnerable true
affected_by_vulnerabilities
0
vulnerability VCID-2w1b-b6qm-4qhf
1
vulnerability VCID-b3vv-xdp2-7ub8
2
vulnerability VCID-bjj5-ynf7-v7aa
3
vulnerability VCID-dywq-dzuv-wka2
4
vulnerability VCID-hgmk-8s7s-tfdb
5
vulnerability VCID-jwpx-aqjh-dqej
6
vulnerability VCID-mqmp-g7uy-gbg4
7
vulnerability VCID-nj3z-4ya4-bqf7
8
vulnerability VCID-vq4p-dvg4-eudz
9
vulnerability VCID-x63d-4kux-cqcu
10
vulnerability VCID-zhz3-1799-a7hk
resource_url http://public2.vulnerablecode.io/packages/pkg:deb/debian/calibre@5.12.0%252Bdfsg-1%252Bdeb11u2%3Fdistro=trixie
1
url pkg:deb/debian/calibre@5.12.0%2Bdfsg-1%2Bdeb11u3?distro=trixie
purl pkg:deb/debian/calibre@5.12.0%2Bdfsg-1%2Bdeb11u3?distro=trixie
is_vulnerable false
affected_by_vulnerabilities
resource_url http://public2.vulnerablecode.io/packages/pkg:deb/debian/calibre@5.12.0%252Bdfsg-1%252Bdeb11u3%3Fdistro=trixie
2
url pkg:deb/debian/calibre@5.33.0%2Bdfsg-1?distro=trixie
purl pkg:deb/debian/calibre@5.33.0%2Bdfsg-1?distro=trixie
is_vulnerable false
affected_by_vulnerabilities
resource_url http://public2.vulnerablecode.io/packages/pkg:deb/debian/calibre@5.33.0%252Bdfsg-1%3Fdistro=trixie
3
url pkg:deb/debian/calibre@6.13.0%2Brepack-2%2Bdeb12u5?distro=trixie
purl pkg:deb/debian/calibre@6.13.0%2Brepack-2%2Bdeb12u5?distro=trixie
is_vulnerable true
affected_by_vulnerabilities
0
vulnerability VCID-2w1b-b6qm-4qhf
1
vulnerability VCID-bjj5-ynf7-v7aa
2
vulnerability VCID-dywq-dzuv-wka2
3
vulnerability VCID-hgmk-8s7s-tfdb
4
vulnerability VCID-jwpx-aqjh-dqej
5
vulnerability VCID-mqmp-g7uy-gbg4
6
vulnerability VCID-nj3z-4ya4-bqf7
7
vulnerability VCID-vq4p-dvg4-eudz
8
vulnerability VCID-x63d-4kux-cqcu
9
vulnerability VCID-zhz3-1799-a7hk
resource_url http://public2.vulnerablecode.io/packages/pkg:deb/debian/calibre@6.13.0%252Brepack-2%252Bdeb12u5%3Fdistro=trixie
4
url pkg:deb/debian/calibre@6.13.0%2Brepack-2%2Bdeb12u5
purl pkg:deb/debian/calibre@6.13.0%2Brepack-2%2Bdeb12u5
is_vulnerable true
affected_by_vulnerabilities
0
vulnerability VCID-2w1b-b6qm-4qhf
1
vulnerability VCID-bjj5-ynf7-v7aa
2
vulnerability VCID-dywq-dzuv-wka2
3
vulnerability VCID-hgmk-8s7s-tfdb
4
vulnerability VCID-jwpx-aqjh-dqej
5
vulnerability VCID-mqmp-g7uy-gbg4
6
vulnerability VCID-nj3z-4ya4-bqf7
7
vulnerability VCID-vq4p-dvg4-eudz
8
vulnerability VCID-x63d-4kux-cqcu
9
vulnerability VCID-zhz3-1799-a7hk
resource_url http://public2.vulnerablecode.io/packages/pkg:deb/debian/calibre@6.13.0%252Brepack-2%252Bdeb12u5
5
url pkg:deb/debian/calibre@8.5.0%2Bds-1%2Bdeb13u1?distro=trixie
purl pkg:deb/debian/calibre@8.5.0%2Bds-1%2Bdeb13u1?distro=trixie
is_vulnerable true
affected_by_vulnerabilities
0
vulnerability VCID-2w1b-b6qm-4qhf
1
vulnerability VCID-bjj5-ynf7-v7aa
2
vulnerability VCID-dywq-dzuv-wka2
3
vulnerability VCID-hgmk-8s7s-tfdb
4
vulnerability VCID-jwpx-aqjh-dqej
5
vulnerability VCID-mqmp-g7uy-gbg4
6
vulnerability VCID-nj3z-4ya4-bqf7
7
vulnerability VCID-vq4p-dvg4-eudz
8
vulnerability VCID-x63d-4kux-cqcu
9
vulnerability VCID-zhz3-1799-a7hk
resource_url http://public2.vulnerablecode.io/packages/pkg:deb/debian/calibre@8.5.0%252Bds-1%252Bdeb13u1%3Fdistro=trixie
6
url pkg:deb/debian/calibre@9.5.0%2Bds%2B~0.10.5-1?distro=trixie
purl pkg:deb/debian/calibre@9.5.0%2Bds%2B~0.10.5-1?distro=trixie
is_vulnerable false
affected_by_vulnerabilities
resource_url http://public2.vulnerablecode.io/packages/pkg:deb/debian/calibre@9.5.0%252Bds%252B~0.10.5-1%3Fdistro=trixie
7
url pkg:deb/debian/calibre@9.6.0%2Bds%2B~0.10.5-5?distro=trixie
purl pkg:deb/debian/calibre@9.6.0%2Bds%2B~0.10.5-5?distro=trixie
is_vulnerable false
affected_by_vulnerabilities
resource_url http://public2.vulnerablecode.io/packages/pkg:deb/debian/calibre@9.6.0%252Bds%252B~0.10.5-5%3Fdistro=trixie
8
url pkg:deb/debian/calibre@9.6.0%2Bds%2B~0.10.5-6?distro=trixie
purl pkg:deb/debian/calibre@9.6.0%2Bds%2B~0.10.5-6?distro=trixie
is_vulnerable false
affected_by_vulnerabilities
resource_url http://public2.vulnerablecode.io/packages/pkg:deb/debian/calibre@9.6.0%252Bds%252B~0.10.5-6%3Fdistro=trixie
9
url pkg:deb/debian/calibre@9.7.0%2Bds%2B~0.10.5-2?distro=trixie
purl pkg:deb/debian/calibre@9.7.0%2Bds%2B~0.10.5-2?distro=trixie
is_vulnerable false
affected_by_vulnerabilities
resource_url http://public2.vulnerablecode.io/packages/pkg:deb/debian/calibre@9.7.0%252Bds%252B~0.10.5-2%3Fdistro=trixie
Affected_packages
0
url pkg:deb/debian/calibre@0.7.7%2Bdfsg-1squeeze1
purl pkg:deb/debian/calibre@0.7.7%2Bdfsg-1squeeze1
is_vulnerable true
affected_by_vulnerabilities
0
vulnerability VCID-1uhd-3upf-nqbu
1
vulnerability VCID-4gvv-bsf9-vqca
2
vulnerability VCID-4kgm-mmjn-g3a7
3
vulnerability VCID-favj-1bjh-9uff
4
vulnerability VCID-pa4n-csyj-wqet
5
vulnerability VCID-qsbr-up7k-kbcr
6
vulnerability VCID-stnm-9pm7-gqbv
7
vulnerability VCID-xhf1-k7jg-6ued
8
vulnerability VCID-ycp8-ws8x-3qbn
9
vulnerability VCID-z6j2-32tf-g7ax
resource_url http://public2.vulnerablecode.io/packages/pkg:deb/debian/calibre@0.7.7%252Bdfsg-1squeeze1
1
url pkg:deb/debian/calibre@0.8.51%2Bdfsg1-0.1
purl pkg:deb/debian/calibre@0.8.51%2Bdfsg1-0.1
is_vulnerable true
affected_by_vulnerabilities
0
vulnerability VCID-1uhd-3upf-nqbu
1
vulnerability VCID-4gvv-bsf9-vqca
2
vulnerability VCID-4kgm-mmjn-g3a7
3
vulnerability VCID-favj-1bjh-9uff
4
vulnerability VCID-pa4n-csyj-wqet
5
vulnerability VCID-qsbr-up7k-kbcr
6
vulnerability VCID-stnm-9pm7-gqbv
7
vulnerability VCID-xhf1-k7jg-6ued
8
vulnerability VCID-ycp8-ws8x-3qbn
9
vulnerability VCID-z6j2-32tf-g7ax
resource_url http://public2.vulnerablecode.io/packages/pkg:deb/debian/calibre@0.8.51%252Bdfsg1-0.1
2
url pkg:deb/debian/calibre@1.22.0%2Bdfsg1-1~bpo70%2B2
purl pkg:deb/debian/calibre@1.22.0%2Bdfsg1-1~bpo70%2B2
is_vulnerable true
affected_by_vulnerabilities
0
vulnerability VCID-4gvv-bsf9-vqca
1
vulnerability VCID-4kgm-mmjn-g3a7
2
vulnerability VCID-favj-1bjh-9uff
3
vulnerability VCID-pa4n-csyj-wqet
4
vulnerability VCID-xhf1-k7jg-6ued
5
vulnerability VCID-ycp8-ws8x-3qbn
6
vulnerability VCID-z6j2-32tf-g7ax
resource_url http://public2.vulnerablecode.io/packages/pkg:deb/debian/calibre@1.22.0%252Bdfsg1-1~bpo70%252B2
3
url pkg:deb/debian/calibre@2.5.0%2Bdfsg-1
purl pkg:deb/debian/calibre@2.5.0%2Bdfsg-1
is_vulnerable true
affected_by_vulnerabilities
0
vulnerability VCID-4gvv-bsf9-vqca
1
vulnerability VCID-4kgm-mmjn-g3a7
2
vulnerability VCID-favj-1bjh-9uff
3
vulnerability VCID-pa4n-csyj-wqet
4
vulnerability VCID-xhf1-k7jg-6ued
5
vulnerability VCID-ycp8-ws8x-3qbn
6
vulnerability VCID-z6j2-32tf-g7ax
resource_url http://public2.vulnerablecode.io/packages/pkg:deb/debian/calibre@2.5.0%252Bdfsg-1
4
url pkg:deb/debian/calibre@2.75.1%2Bdfsg-1~bpo8%2B1
purl pkg:deb/debian/calibre@2.75.1%2Bdfsg-1~bpo8%2B1
is_vulnerable true
affected_by_vulnerabilities
0
vulnerability VCID-4gvv-bsf9-vqca
1
vulnerability VCID-4kgm-mmjn-g3a7
2
vulnerability VCID-favj-1bjh-9uff
3
vulnerability VCID-pa4n-csyj-wqet
4
vulnerability VCID-xhf1-k7jg-6ued
5
vulnerability VCID-ycp8-ws8x-3qbn
resource_url http://public2.vulnerablecode.io/packages/pkg:deb/debian/calibre@2.75.1%252Bdfsg-1~bpo8%252B1
5
url pkg:deb/debian/calibre@2.75.1%2Bdfsg-1
purl pkg:deb/debian/calibre@2.75.1%2Bdfsg-1
is_vulnerable true
affected_by_vulnerabilities
0
vulnerability VCID-4gvv-bsf9-vqca
1
vulnerability VCID-favj-1bjh-9uff
2
vulnerability VCID-pa4n-csyj-wqet
3
vulnerability VCID-xhf1-k7jg-6ued
4
vulnerability VCID-ycp8-ws8x-3qbn
resource_url http://public2.vulnerablecode.io/packages/pkg:deb/debian/calibre@2.75.1%252Bdfsg-1
6
url pkg:deb/debian/calibre@3.39.1%2Bdfsg-3
purl pkg:deb/debian/calibre@3.39.1%2Bdfsg-3
is_vulnerable true
affected_by_vulnerabilities
0
vulnerability VCID-4gvv-bsf9-vqca
1
vulnerability VCID-favj-1bjh-9uff
2
vulnerability VCID-pa4n-csyj-wqet
3
vulnerability VCID-ycp8-ws8x-3qbn
resource_url http://public2.vulnerablecode.io/packages/pkg:deb/debian/calibre@3.39.1%252Bdfsg-3
7
url pkg:deb/debian/calibre@5.12.0%2Bdfsg-1%2Bdeb11u2
purl pkg:deb/debian/calibre@5.12.0%2Bdfsg-1%2Bdeb11u2
is_vulnerable true
affected_by_vulnerabilities
0
vulnerability VCID-2w1b-b6qm-4qhf
1
vulnerability VCID-4gvv-bsf9-vqca
2
vulnerability VCID-b3vv-xdp2-7ub8
3
vulnerability VCID-bjj5-ynf7-v7aa
4
vulnerability VCID-dywq-dzuv-wka2
5
vulnerability VCID-favj-1bjh-9uff
6
vulnerability VCID-hgmk-8s7s-tfdb
7
vulnerability VCID-jwpx-aqjh-dqej
8
vulnerability VCID-mqmp-g7uy-gbg4
9
vulnerability VCID-nj3z-4ya4-bqf7
10
vulnerability VCID-vq4p-dvg4-eudz
11
vulnerability VCID-x63d-4kux-cqcu
12
vulnerability VCID-zhz3-1799-a7hk
resource_url http://public2.vulnerablecode.io/packages/pkg:deb/debian/calibre@5.12.0%252Bdfsg-1%252Bdeb11u2
References
0
reference_url https://api.first.org/data/v1/epss?cve=CVE-2021-44686
reference_id
reference_type
scores
0
value 0.00412
scoring_system epss
scoring_elements 0.61347
published_at 2026-04-01T12:55:00Z
1
value 0.00412
scoring_system epss
scoring_elements 0.61424
published_at 2026-04-02T12:55:00Z
2
value 0.00412
scoring_system epss
scoring_elements 0.61452
published_at 2026-04-04T12:55:00Z
3
value 0.00412
scoring_system epss
scoring_elements 0.61423
published_at 2026-04-07T12:55:00Z
4
value 0.00412
scoring_system epss
scoring_elements 0.6147
published_at 2026-04-08T12:55:00Z
5
value 0.00412
scoring_system epss
scoring_elements 0.61485
published_at 2026-04-09T12:55:00Z
6
value 0.00412
scoring_system epss
scoring_elements 0.61506
published_at 2026-04-11T12:55:00Z
7
value 0.00412
scoring_system epss
scoring_elements 0.61493
published_at 2026-04-12T12:55:00Z
8
value 0.00412
scoring_system epss
scoring_elements 0.61473
published_at 2026-04-13T12:55:00Z
9
value 0.00412
scoring_system epss
scoring_elements 0.61512
published_at 2026-04-16T12:55:00Z
10
value 0.00412
scoring_system epss
scoring_elements 0.61517
published_at 2026-04-18T12:55:00Z
url https://api.first.org/data/v1/epss?cve=CVE-2021-44686
1
reference_url https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-44686
reference_id
reference_type
scores
url https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-44686
Weaknesses
Exploits
Severity_range_scorenull
Exploitability0.5
Weighted_severity0.0
Risk_scorenull
Resource_urlhttp://public2.vulnerablecode.io/vulnerabilities/VCID-favj-1bjh-9uff