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Purlpkg:deb/debian/golang-github-pires-go-proxyproto@0.11.0-1?distro=trixie
Typedeb
Namespacedebian
Namegolang-github-pires-go-proxyproto
Version0.11.0-1
Qualifiers
distro trixie
Subpath
Is_vulnerablefalse
Next_non_vulnerable_versionnull
Latest_non_vulnerable_versionnull
Affected_by_vulnerabilities
Fixing_vulnerabilities
0
url VCID-rn7f-ueax-7qe1
vulnerability_id VCID-rn7f-ueax-7qe1
summary The package github.com/pires/go-proxyproto before 0.5.0 are vulnerable to Denial of Service (DoS) via the parseVersion1() function. The reader in this package is a default bufio.Reader wrapping a net.Conn. It will read from the connection until it finds a newline. Since no limits are implemented in the code, a deliberately malformed V1 header could be used to exhaust memory in a server process using this code - and create a DoS. This can be exploited by sending a stream starting with PROXY and continuing to send data (which does not contain a newline) until the target stops acknowledging. The risk here is small, because only trusted sources should be allowed to send proxy protocol headers.
references
0
reference_url https://api.first.org/data/v1/epss?cve=CVE-2021-23351
reference_id
reference_type
scores
0
value 0.00573
scoring_system epss
scoring_elements 0.69171
published_at 2026-06-11T12:55:00Z
1
value 0.00573
scoring_system epss
scoring_elements 0.69264
published_at 2026-06-12T12:55:00Z
url https://api.first.org/data/v1/epss?cve=CVE-2021-23351
1
reference_url https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-23351
reference_id
reference_type
scores
url https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-23351
2
reference_url https://github.com/pires/go-proxyproto/commit/7f48261db810703d173f27f3309a808cc2b49b8b
reference_id
reference_type
scores
0
value 4.9
scoring_system cvssv3.1
scoring_elements CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
1
value MODERATE
scoring_system generic_textual
scoring_elements
url https://github.com/pires/go-proxyproto/commit/7f48261db810703d173f27f3309a808cc2b49b8b
3
reference_url https://github.com/pires/go-proxyproto/issues/69
reference_id
reference_type
scores
0
value 4.9
scoring_system cvssv3.1
scoring_elements CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
1
value MODERATE
scoring_system generic_textual
scoring_elements
url https://github.com/pires/go-proxyproto/issues/69
4
reference_url https://github.com/pires/go-proxyproto/pull/71
reference_id
reference_type
scores
0
value 4.9
scoring_system cvssv3.1
scoring_elements CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
1
value MODERATE
scoring_system generic_textual
scoring_elements
url https://github.com/pires/go-proxyproto/pull/71
5
reference_url https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4BNVGJMVI3ZTZ675EFPUHPGXCKCGSX46
reference_id
reference_type
scores
0
value 4.9
scoring_system cvssv3.1
scoring_elements CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
1
value MODERATE
scoring_system generic_textual
scoring_elements
url https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4BNVGJMVI3ZTZ675EFPUHPGXCKCGSX46
6
reference_url https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/C36IBVOZXRTWM7MGTRUTOM56P5RR74VU
reference_id
reference_type
scores
0
value 4.9
scoring_system cvssv3.1
scoring_elements CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
1
value MODERATE
scoring_system generic_textual
scoring_elements
url https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/C36IBVOZXRTWM7MGTRUTOM56P5RR74VU
7
reference_url https://nvd.nist.gov/vuln/detail/CVE-2021-23351
reference_id
reference_type
scores
0
value 4.9
scoring_system cvssv3.1
scoring_elements CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
1
value MODERATE
scoring_system generic_textual
scoring_elements
url https://nvd.nist.gov/vuln/detail/CVE-2021-23351
8
reference_url https://snyk.io/vuln/SNYK-GOLANG-GITHUBCOMPIRESGOPROXYPROTO-1081577
reference_id
reference_type
scores
0
value 4.9
scoring_system cvssv3.1
scoring_elements CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
1
value MODERATE
scoring_system generic_textual
scoring_elements
url https://snyk.io/vuln/SNYK-GOLANG-GITHUBCOMPIRESGOPROXYPROTO-1081577
9
reference_url https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=985025
reference_id 985025
reference_type
scores
url https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=985025
fixed_packages
0
url pkg:deb/debian/golang-github-pires-go-proxyproto@0.4.2-1?distro=trixie
purl pkg:deb/debian/golang-github-pires-go-proxyproto@0.4.2-1?distro=trixie
is_vulnerable true
affected_by_vulnerabilities
0
vulnerability VCID-tmfv-qrj6-uqfz
resource_url http://public2.vulnerablecode.io/packages/pkg:deb/debian/golang-github-pires-go-proxyproto@0.4.2-1%3Fdistro=trixie
1
url pkg:deb/debian/golang-github-pires-go-proxyproto@0.4.2-3?distro=trixie
purl pkg:deb/debian/golang-github-pires-go-proxyproto@0.4.2-3?distro=trixie
is_vulnerable false
affected_by_vulnerabilities
resource_url http://public2.vulnerablecode.io/packages/pkg:deb/debian/golang-github-pires-go-proxyproto@0.4.2-3%3Fdistro=trixie
2
url pkg:deb/debian/golang-github-pires-go-proxyproto@0.7.0-1?distro=trixie
purl pkg:deb/debian/golang-github-pires-go-proxyproto@0.7.0-1?distro=trixie
is_vulnerable false
affected_by_vulnerabilities
resource_url http://public2.vulnerablecode.io/packages/pkg:deb/debian/golang-github-pires-go-proxyproto@0.7.0-1%3Fdistro=trixie
3
url pkg:deb/debian/golang-github-pires-go-proxyproto@0.11.0-1?distro=trixie
purl pkg:deb/debian/golang-github-pires-go-proxyproto@0.11.0-1?distro=trixie
is_vulnerable false
affected_by_vulnerabilities
resource_url http://public2.vulnerablecode.io/packages/pkg:deb/debian/golang-github-pires-go-proxyproto@0.11.0-1%3Fdistro=trixie
aliases CVE-2021-23351, GHSA-fqh4-rh59-xhvf
risk_score null
exploitability null
weighted_severity null
resource_url http://public2.vulnerablecode.io/vulnerabilities/VCID-rn7f-ueax-7qe1
1
url VCID-tmfv-qrj6-uqfz
vulnerability_id VCID-tmfv-qrj6-uqfz
summary The package github.com/pires/go-proxyproto before 0.6.0 are vulnerable to Denial of Service (DoS) via creating connections without the proxy protocol header.
references
0
reference_url https://api.first.org/data/v1/epss?cve=CVE-2021-23409
reference_id
reference_type
scores
0
value 0.00911
scoring_system epss
scoring_elements 0.76277
published_at 2026-06-11T12:55:00Z
1
value 0.00911
scoring_system epss
scoring_elements 0.76348
published_at 2026-06-12T12:55:00Z
url https://api.first.org/data/v1/epss?cve=CVE-2021-23409
1
reference_url https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-23409
reference_id
reference_type
scores
url https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-23409
2
reference_url https://github.com/pires/go-proxyproto
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
1
value HIGH
scoring_system generic_textual
scoring_elements
url https://github.com/pires/go-proxyproto
3
reference_url https://github.com/pires/go-proxyproto/commit/2e44d7a76a851d66890ab341403253afae5caac2
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
1
value HIGH
scoring_system generic_textual
scoring_elements
url https://github.com/pires/go-proxyproto/commit/2e44d7a76a851d66890ab341403253afae5caac2
4
reference_url https://github.com/pires/go-proxyproto/issues/65
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
1
value HIGH
scoring_system generic_textual
scoring_elements
url https://github.com/pires/go-proxyproto/issues/65
5
reference_url https://github.com/pires/go-proxyproto/issues/75
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
1
value HIGH
scoring_system generic_textual
scoring_elements
url https://github.com/pires/go-proxyproto/issues/75
6
reference_url https://github.com/pires/go-proxyproto/pull/74
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
1
value HIGH
scoring_system generic_textual
scoring_elements
url https://github.com/pires/go-proxyproto/pull/74
7
reference_url https://github.com/pires/go-proxyproto/pull/74/commits/cdc63867da24fc609b727231f682670d0d1cd346
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
1
value HIGH
scoring_system generic_textual
scoring_elements
url https://github.com/pires/go-proxyproto/pull/74/commits/cdc63867da24fc609b727231f682670d0d1cd346
8
reference_url https://github.com/pires/go-proxyproto/pull/76
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
1
value HIGH
scoring_system generic_textual
scoring_elements
url https://github.com/pires/go-proxyproto/pull/76
9
reference_url https://github.com/pires/go-proxyproto/releases/tag/v0.6.0
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
1
value HIGH
scoring_system generic_textual
scoring_elements
url https://github.com/pires/go-proxyproto/releases/tag/v0.6.0
10
reference_url https://github.com/pires/go-proxyproto/releases/tag/v0.6.1
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
1
value HIGH
scoring_system generic_textual
scoring_elements
url https://github.com/pires/go-proxyproto/releases/tag/v0.6.1
11
reference_url https://nvd.nist.gov/vuln/detail/CVE-2021-23409
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
1
value HIGH
scoring_system generic_textual
scoring_elements
url https://nvd.nist.gov/vuln/detail/CVE-2021-23409
12
reference_url https://pkg.go.dev/vuln/GO-2022-0233
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
1
value HIGH
scoring_system generic_textual
scoring_elements
url https://pkg.go.dev/vuln/GO-2022-0233
13
reference_url https://snyk.io/vuln/SNYK-GOLANG-GITHUBCOMPIRESGOPROXYPROTO-1316439
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
1
value HIGH
scoring_system generic_textual
scoring_elements
url https://snyk.io/vuln/SNYK-GOLANG-GITHUBCOMPIRESGOPROXYPROTO-1316439
14
reference_url https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=991498
reference_id 991498
reference_type
scores
url https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=991498
fixed_packages
0
url pkg:deb/debian/golang-github-pires-go-proxyproto@0.4.2-2?distro=trixie
purl pkg:deb/debian/golang-github-pires-go-proxyproto@0.4.2-2?distro=trixie
is_vulnerable false
affected_by_vulnerabilities
resource_url http://public2.vulnerablecode.io/packages/pkg:deb/debian/golang-github-pires-go-proxyproto@0.4.2-2%3Fdistro=trixie
1
url pkg:deb/debian/golang-github-pires-go-proxyproto@0.4.2-3?distro=trixie
purl pkg:deb/debian/golang-github-pires-go-proxyproto@0.4.2-3?distro=trixie
is_vulnerable false
affected_by_vulnerabilities
resource_url http://public2.vulnerablecode.io/packages/pkg:deb/debian/golang-github-pires-go-proxyproto@0.4.2-3%3Fdistro=trixie
2
url pkg:deb/debian/golang-github-pires-go-proxyproto@0.7.0-1?distro=trixie
purl pkg:deb/debian/golang-github-pires-go-proxyproto@0.7.0-1?distro=trixie
is_vulnerable false
affected_by_vulnerabilities
resource_url http://public2.vulnerablecode.io/packages/pkg:deb/debian/golang-github-pires-go-proxyproto@0.7.0-1%3Fdistro=trixie
3
url pkg:deb/debian/golang-github-pires-go-proxyproto@0.11.0-1?distro=trixie
purl pkg:deb/debian/golang-github-pires-go-proxyproto@0.11.0-1?distro=trixie
is_vulnerable false
affected_by_vulnerabilities
resource_url http://public2.vulnerablecode.io/packages/pkg:deb/debian/golang-github-pires-go-proxyproto@0.11.0-1%3Fdistro=trixie
aliases CVE-2021-23409, GHSA-xcf7-q56x-78gh
risk_score 4.0
exploitability 0.5
weighted_severity 8.0
resource_url http://public2.vulnerablecode.io/vulnerabilities/VCID-tmfv-qrj6-uqfz
Risk_scorenull
Resource_urlhttp://public2.vulnerablecode.io/packages/pkg:deb/debian/golang-github-pires-go-proxyproto@0.11.0-1%3Fdistro=trixie