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Package details: pkg:deb/debian/h2o@2.2.5%2Bdfsg2-6
purl pkg:deb/debian/h2o@2.2.5%2Bdfsg2-6
Vulnerabilities affecting this package (0)
Vulnerability Summary Fixed by
This package is not known to be affected by vulnerabilities.
Vulnerabilities fixed by this package (3)
Vulnerability Summary Aliases
VCID-bcpe-g3wj-bqhr 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. CVE-2019-9515
VCID-wv7u-zn1z-nufa 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. CVE-2019-9514
GHSA-39qc-96h7-956f
VCID-xuk6-2n6t-37e1 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. CVE-2019-9512
GHSA-hgr8-6h9x-f7q9

Date Actor Action Vulnerability Source VulnerableCode Version
2025-08-01T18:16:02.340669+00:00 Debian Oval Importer Fixing VCID-wv7u-zn1z-nufa https://www.debian.org/security/oval/oval-definitions-bullseye.xml.bz2 37.0.0
2025-08-01T17:40:32.330329+00:00 Debian Oval Importer Fixing VCID-xuk6-2n6t-37e1 https://www.debian.org/security/oval/oval-definitions-bullseye.xml.bz2 37.0.0
2025-08-01T13:23:48.425064+00:00 Debian Oval Importer Fixing VCID-bcpe-g3wj-bqhr https://www.debian.org/security/oval/oval-definitions-bullseye.xml.bz2 37.0.0