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Package details: pkg:deb/ubuntu/h2o@2.2.5%2Bdfsg1-4
purl pkg:deb/ubuntu/h2o@2.2.5%2Bdfsg1-4
Next non-vulnerable version 2.2.5+dfsg2-3build1
Latest non-vulnerable version 2.2.5+dfsg2-3build1
Risk 10.0
Vulnerabilities affecting this package (4)
Vulnerability Summary Fixed by
VCID-3gua-vux5-aaaq
Aliases:
CVE-2019-9512
GHSA-hgr8-6h9x-f7q9
Some HTTP/2 implementations are vulnerable to ping floods, potentially leading to a denial of service. The attacker sends continual pings to an HTTP/2 peer, causing the peer to build an internal queue of responses. Depending on how efficiently this data is queued, this can consume excess CPU, memory, or both.
2.2.5+dfsg2-3
Affected by 1 other vulnerability.
VCID-6ypc-78mx-aaac
Aliases:
CVE-2019-9514
GHSA-39qc-96h7-956f
Some HTTP/2 implementations are vulnerable to a reset flood, potentially leading to a denial of service. The attacker opens a number of streams and sends an invalid request over each stream that should solicit a stream of RST_STREAM frames from the peer. Depending on how the peer queues the RST_STREAM frames, this can consume excess memory, CPU, or both.
2.2.5+dfsg2-3
Affected by 1 other vulnerability.
VCID-dfyv-unyn-aaaf
Aliases:
CVE-2018-0608
Buffer overflow in H2O version 2.2.4 and earlier allows remote attackers to execute arbitrary code or cause a denial of service (DoS) via unspecified vectors.
2.2.5+dfsg2-3build1
Affected by 0 other vulnerabilities.
VCID-kfap-b6t7-aaam
Aliases:
CVE-2019-9515
Some HTTP/2 implementations are vulnerable to a settings flood, potentially leading to a denial of service. The attacker sends a stream of SETTINGS frames to the peer. Since the RFC requires that the peer reply with one acknowledgement per SETTINGS frame, an empty SETTINGS frame is almost equivalent in behavior to a ping. Depending on how efficiently this data is queued, this can consume excess CPU, memory, or both.
2.2.5+dfsg2-3
Affected by 1 other vulnerability.
Vulnerabilities fixed by this package (0)
Vulnerability Summary Aliases
This package is not known to fix vulnerabilities.

Date Actor Action Vulnerability Source VulnerableCode Version