| Name | CVE-2016-4817 |
| Description | 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. |
| Source | CVE (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 Package | Release | Version | Status |
|---|
| h2o (PTS) | buster (security), buster, buster (lts) | 2.2.5+dfsg2-2+deb10u2 | fixed |
| bullseye | 2.2.5+dfsg2-6 | fixed |
| bookworm | 2.2.5+dfsg2-7 | fixed |
| sid, trixie | 2.2.5+dfsg2-9 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| h2o | source | (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