CVE-2016-4817

lib/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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
jpcertCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 91%
VendorProductVersion
denah2o
𝑥
≤ 1.7.2
denah2o
𝑥
≤ 2.0.0
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
h2o
bullseye
2.2.5+dfsg2-6
fixed
bookworm
2.2.5+dfsg2-7
fixed
sid
2.2.5+dfsg2-9
fixed
trixie
2.2.5+dfsg2-9
fixed
References
http://jvn.jp/en/jp/JVN87859762/index.html
http://jvndb.jvn.jp/jvndb/JVNDB-2016-000091
https://github.com/h2o/h2o/commit/1c0808d580da09fdec5a9a74ff09e103ea058dd4
https://github.com/h2o/h2o/pull/920
http://jvn.jp/en/jp/JVN87859762/index.html
http://jvndb.jvn.jp/jvndb/JVNDB-2016-000091
https://github.com/h2o/h2o/commit/1c0808d580da09fdec5a9a74ff09e103ea058dd4
https://github.com/h2o/h2o/pull/920