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Package Instance

Lookup for vulnerable packages by Package URL.

Purlpkg:apk/alpine/synapse@1.24.0-r0?arch=ppc64le&distroversion=v3.23&reponame=community
Typeapk
Namespacealpine
Namesynapse
Version1.24.0-r0
Qualifiers
arch ppc64le
distroversion v3.23
reponame community
Subpath
Is_vulnerablefalse
Next_non_vulnerable_version1.30.1-r0
Latest_non_vulnerable_version1.152.1-r0
Affected_by_vulnerabilities
Fixing_vulnerabilities
0
url VCID-rab2-vwyz-ufdt
vulnerability_id VCID-rab2-vwyz-ufdt
summary Matrix is an ecosystem for open federated Instant Messaging and VoIP. Synapse is a reference "homeserver" implementation of Matrix. A malicious or poorly-implemented homeserver can inject malformed events into a room by specifying a different room id in the path of a `/send_join`, `/send_leave`, `/invite` or `/exchange_third_party_invite` request. This can lead to a denial of service in which future events will not be correctly sent to other servers over federation. This affects any server which accepts federation requests from untrusted servers. The Matrix Synapse reference implementation before version 1.23.1 the implementation is vulnerable to this injection attack. Issue is fixed in version 1.23.1. As a workaround homeserver administrators could limit access to the federation API to trusted servers (for example via `federation_domain_whitelist`).
references
0
reference_url https://api.first.org/data/v1/epss?cve=CVE-2020-26257
reference_id
reference_type
scores
0
value 0.0045
scoring_system epss
scoring_elements 0.63967
published_at 2026-06-04T12:55:00Z
1
value 0.0045
scoring_system epss
scoring_elements 0.63995
published_at 2026-06-08T12:55:00Z
2
value 0.0045
scoring_system epss
scoring_elements 0.64007
published_at 2026-06-07T12:55:00Z
3
value 0.0045
scoring_system epss
scoring_elements 0.64017
published_at 2026-06-06T12:55:00Z
4
value 0.0045
scoring_system epss
scoring_elements 0.64009
published_at 2026-06-05T12:55:00Z
url https://api.first.org/data/v1/epss?cve=CVE-2020-26257
1
reference_url https://github.com/matrix-org/synapse/blob/develop/CHANGES.md#synapse-1231-2020-12-09
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
1
value 7.1
scoring_system cvssv4
scoring_elements CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
2
value HIGH
scoring_system generic_textual
scoring_elements
url https://github.com/matrix-org/synapse/blob/develop/CHANGES.md#synapse-1231-2020-12-09
2
reference_url https://github.com/matrix-org/synapse/commit/3ce2f303f15f6ac3dc352298972dc6e04d9b7a8b
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
1
value 7.1
scoring_system cvssv4
scoring_elements CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
2
value HIGH
scoring_system generic_textual
scoring_elements
url https://github.com/matrix-org/synapse/commit/3ce2f303f15f6ac3dc352298972dc6e04d9b7a8b
3
reference_url https://github.com/matrix-org/synapse/pull/8776
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
1
value 7.1
scoring_system cvssv4
scoring_elements CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
2
value HIGH
scoring_system generic_textual
scoring_elements
url https://github.com/matrix-org/synapse/pull/8776
4
reference_url https://github.com/matrix-org/synapse/security/advisories/GHSA-hxmp-pqch-c8mm
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
1
value HIGH
scoring_system cvssv3.1_qr
scoring_elements
2
value 7.1
scoring_system cvssv4
scoring_elements CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
3
value HIGH
scoring_system generic_textual
scoring_elements
url https://github.com/matrix-org/synapse/security/advisories/GHSA-hxmp-pqch-c8mm
5
reference_url https://github.com/pypa/advisory-database/tree/main/vulns/matrix-synapse/PYSEC-2020-236.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
1
value 7.1
scoring_system cvssv4
scoring_elements CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
2
value HIGH
scoring_system generic_textual
scoring_elements
url https://github.com/pypa/advisory-database/tree/main/vulns/matrix-synapse/PYSEC-2020-236.yaml
6
reference_url https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/DBTIU3ZNBFWZ56V4X7JIAD33V5H2GOMC
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
1
value 7.1
scoring_system cvssv4
scoring_elements CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
2
value HIGH
scoring_system generic_textual
scoring_elements
url https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/DBTIU3ZNBFWZ56V4X7JIAD33V5H2GOMC
7
reference_url https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/DBTIU3ZNBFWZ56V4X7JIAD33V5H2GOMC/
reference_id
reference_type
scores
url https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/DBTIU3ZNBFWZ56V4X7JIAD33V5H2GOMC/
8
reference_url https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/QR4MMYZKX5N5GYGH4H5LBUUC5TLAFHI7
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
1
value 7.1
scoring_system cvssv4
scoring_elements CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
2
value HIGH
scoring_system generic_textual
scoring_elements
url https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/QR4MMYZKX5N5GYGH4H5LBUUC5TLAFHI7
9
reference_url https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/QR4MMYZKX5N5GYGH4H5LBUUC5TLAFHI7/
reference_id
reference_type
scores
url https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/QR4MMYZKX5N5GYGH4H5LBUUC5TLAFHI7/
10
reference_url https://security.archlinux.org/AVG-1341
reference_id AVG-1341
reference_type
scores
0
value Medium
scoring_system archlinux
scoring_elements
url https://security.archlinux.org/AVG-1341
11
reference_url https://nvd.nist.gov/vuln/detail/CVE-2020-26257
reference_id CVE-2020-26257
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
1
value 7.1
scoring_system cvssv4
scoring_elements CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
2
value HIGH
scoring_system generic_textual
scoring_elements
url https://nvd.nist.gov/vuln/detail/CVE-2020-26257
12
reference_url https://github.com/advisories/GHSA-hxmp-pqch-c8mm
reference_id GHSA-hxmp-pqch-c8mm
reference_type
scores
0
value HIGH
scoring_system cvssv3.1_qr
scoring_elements
url https://github.com/advisories/GHSA-hxmp-pqch-c8mm
fixed_packages
0
url pkg:apk/alpine/synapse@1.24.0-r0?arch=ppc64le&distroversion=v3.23&reponame=community
purl pkg:apk/alpine/synapse@1.24.0-r0?arch=ppc64le&distroversion=v3.23&reponame=community
is_vulnerable false
affected_by_vulnerabilities
resource_url http://public2.vulnerablecode.io/packages/pkg:apk/alpine/synapse@1.24.0-r0%3Farch=ppc64le&distroversion=v3.23&reponame=community
aliases CVE-2020-26257, GHSA-hxmp-pqch-c8mm, PYSEC-2020-236
risk_score 4.0
exploitability 0.5
weighted_severity 8.0
resource_url http://public2.vulnerablecode.io/vulnerabilities/VCID-rab2-vwyz-ufdt
Risk_scorenull
Resource_urlhttp://public2.vulnerablecode.io/packages/pkg:apk/alpine/synapse@1.24.0-r0%3Farch=ppc64le&distroversion=v3.23&reponame=community