CVE-2016-4817

NameCVE-2016-4817
Descriptionlib/http2/connection.c in H2O before 1.7.3 and 2.x before 2.0.0-beta5 mishandles HTTP/2 disconnection, which allows remote attackers to cause a denial of service (use-after-free and application crash) or possibly execute arbitrary code via a crafted packet.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
h2o (PTS)buster2.2.5+dfsg2-2+deb10u1fixed
buster (security)2.2.5+dfsg2-2+deb10u2fixed
bullseye2.2.5+dfsg2-6fixed
bookworm2.2.5+dfsg2-7fixed
trixie2.2.5+dfsg2-8fixed
sid2.2.5+dfsg2-8.1fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
h2osource(unstable)(not affected)

Notes

- h2o <not-affected> (Fixed before initial upload to Debian)
https://github.com/h2o/h2o/pull/920
https://github.com/h2o/h2o/commit/1c0808d580da09fdec5a9a74ff09e103ea058dd4

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