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Package Instance

Lookup for vulnerable packages by Package URL.

Purlpkg:cargo/h2@0.3.17
Typecargo
Namespace
Nameh2
Version0.3.17
Qualifiers
Subpath
Is_vulnerablefalse
Next_non_vulnerable_version0.3.24
Latest_non_vulnerable_version0.4.4
Affected_by_vulnerabilities
Fixing_vulnerabilities
0
url VCID-mt5t-ymhy-xuhp
vulnerability_id VCID-mt5t-ymhy-xuhp
summary 
h2 vulnerable to denial of service
Hyper is an HTTP library for Rust and h2 is an HTTP 2.0 client & server implementation for Rust. An issue was discovered in h2 v0.2.4 when processing header frames. It incorrectly processes the HTTP2 `RST_STREAM` frames by not always releasing the memory immediately upon receiving the reset frame, leading to stream stacking. As a result, the memory and CPU usage are high which can lead to a Denial of Service (DoS).

This issue affects users only when dealing with http2 connections.
references
0
reference_url https://api.first.org/data/v1/epss?cve=CVE-2023-26964
reference_id
reference_type
scores
0
value 0.00256
scoring_system epss
scoring_elements 0.49008
published_at 2026-04-04T12:55:00Z
1
value 0.00256
scoring_system epss
scoring_elements 0.48982
published_at 2026-04-02T12:55:00Z
2
value 0.00256
scoring_system epss
scoring_elements 0.49012
published_at 2026-04-09T12:55:00Z
3
value 0.00256
scoring_system epss
scoring_elements 0.49016
published_at 2026-04-08T12:55:00Z
4
value 0.00256
scoring_system epss
scoring_elements 0.48962
published_at 2026-04-07T12:55:00Z
5
value 0.00256
scoring_system epss
scoring_elements 0.49029
published_at 2026-04-11T12:55:00Z
6
value 0.00283
scoring_system epss
scoring_elements 0.51768
published_at 2026-04-12T12:55:00Z
7
value 0.00283
scoring_system epss
scoring_elements 0.51729
published_at 2026-04-24T12:55:00Z
8
value 0.00283
scoring_system epss
scoring_elements 0.5178
published_at 2026-04-21T12:55:00Z
9
value 0.00283
scoring_system epss
scoring_elements 0.51799
published_at 2026-04-18T12:55:00Z
10
value 0.00283
scoring_system epss
scoring_elements 0.51792
published_at 2026-04-16T12:55:00Z
11
value 0.00283
scoring_system epss
scoring_elements 0.51751
published_at 2026-04-13T12:55:00Z
url https://api.first.org/data/v1/epss?cve=CVE-2023-26964
1
reference_url https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
reference_id
reference_type
scores
0
value 4.7
scoring_system cvssv3.1
scoring_elements CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H
url https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
2
reference_url https://github.com/hyperium/h2/issues/621
reference_id
reference_type
scores
0
value MODERATE
scoring_system generic_textual
scoring_elements
url https://github.com/hyperium/h2/issues/621
3
reference_url https://github.com/hyperium/h2/pull/668
reference_id
reference_type
scores
0
value MODERATE
scoring_system generic_textual
scoring_elements
url https://github.com/hyperium/h2/pull/668
4
reference_url https://github.com/hyperium/hyper
reference_id
reference_type
scores
0
value MODERATE
scoring_system generic_textual
scoring_elements
url https://github.com/hyperium/hyper
5
reference_url https://github.com/hyperium/hyper/issues/2877
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 MODERATE
scoring_system generic_textual
scoring_elements
2
value Track
scoring_system ssvc
scoring_elements SSVCv2/E:P/A:Y/T:P/P:M/B:A/M:M/D:T/2025-02-11T15:45:51Z/
url https://github.com/hyperium/hyper/issues/2877
6
reference_url https://nvd.nist.gov/vuln/detail/CVE-2023-26964
reference_id
reference_type
scores
0
value MODERATE
scoring_system generic_textual
scoring_elements
url https://nvd.nist.gov/vuln/detail/CVE-2023-26964
7
reference_url https://rustsec.org/advisories/RUSTSEC-2023-0034.html
reference_id
reference_type
scores
0
value MODERATE
scoring_system generic_textual
scoring_elements
url https://rustsec.org/advisories/RUSTSEC-2023-0034.html
8
reference_url https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1034723
reference_id 1034723
reference_type
scores
url https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1034723
9
reference_url https://github.com/advisories/GHSA-f8vr-r385-rh5r
reference_id GHSA-f8vr-r385-rh5r
reference_type
scores
0
value MODERATE
scoring_system cvssv3.1_qr
scoring_elements
url https://github.com/advisories/GHSA-f8vr-r385-rh5r
10
reference_url https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZHBAE7LQARMPUEEV4TWET4D7G6WCWBUD/
reference_id ZHBAE7LQARMPUEEV4TWET4D7G6WCWBUD
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 Track
scoring_system ssvc
scoring_elements SSVCv2/E:P/A:Y/T:P/P:M/B:A/M:M/D:T/2025-02-11T15:45:51Z/
url https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZHBAE7LQARMPUEEV4TWET4D7G6WCWBUD/
11
reference_url https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZYRZ5Y2ALATKKPIITAFAJIS4TR4LUAHO/
reference_id ZYRZ5Y2ALATKKPIITAFAJIS4TR4LUAHO
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 Track
scoring_system ssvc
scoring_elements SSVCv2/E:P/A:Y/T:P/P:M/B:A/M:M/D:T/2025-02-11T15:45:51Z/
url https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZYRZ5Y2ALATKKPIITAFAJIS4TR4LUAHO/
fixed_packages
0
url pkg:cargo/h2@0.3.17
purl pkg:cargo/h2@0.3.17
is_vulnerable false
affected_by_vulnerabilities
resource_url http://public2.vulnerablecode.io/packages/pkg:cargo/h2@0.3.17
aliases CVE-2023-26964, GHSA-f8vr-r385-rh5r
risk_score null
exploitability null
weighted_severity null
resource_url http://public2.vulnerablecode.io/vulnerabilities/VCID-mt5t-ymhy-xuhp
Risk_scorenull
Resource_urlhttp://public2.vulnerablecode.io/packages/pkg:cargo/h2@0.3.17