CVE-2020-11100
- Source
- https://cve.org/CVERecord?id=CVE-2020-11100
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-11100.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2020-11100
- Aliases
- Downstream
- Related
- Published
- 2020-04-02T15:15:17.483Z
- Modified
- 2026-03-15T22:30:27.751552Z
- Severity
-
- 8.8 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
- Summary
- [none]
- Details
-
In hpackdhtinsert in hpack-tbl.c in the HPACK decoder in HAProxy 1.8 through 2.x before 2.1.4, a remote attacker can write arbitrary bytes around a certain location on the heap via a crafted HTTP/2 request, possibly causing remote code execution.
- References
-
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MNW5RZLIX7LOXRLV7WMHX22CI43XSXKW/
- https://www.mail-archive.com/haproxy%40formilux.org/msg36876.html
- https://git.haproxy.org/?p=haproxy.git%3Ba=commit%3Bh=5dfc5d5cd0d2128d77253ead3acf03a421ab5b88
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/264C7UL3X7L7QE74ZJ557IOUFS3J4QQC/
- https://security.gentoo.org/glsa/202012-22
- https://www.debian.org/security/2020/dsa-4649
- https://www.haproxy.org/download/2.1/src/CHANGELOG
- http://packetstormsecurity.com/files/157323/haproxy-hpack-tbl.c-Out-Of-Bounds-Write.html
- http://www.haproxy.org
- https://lists.debian.org/debian-security-announce/2020/msg00052.html
- https://usn.ubuntu.com/4321-1/
- http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00002.html
- https://bugzilla.redhat.com/show_bug.cgi?id=1819111
- https://bugzilla.suse.com/show_bug.cgi?id=1168023
Affected packages
Git / github.com/haproxy/haproxy
Affected versions
v1.*
v1.8.0
v1.9-dev0
v1.9-dev1
v1.9-dev10
v1.9-dev11
v1.9-dev2
v1.9-dev3
v1.9-dev4
v1.9-dev5
v1.9-dev6
v1.9-dev7
v1.9-dev8
v1.9-dev9
v1.9.0
v2.*
v2.0-dev0
v2.0-dev1
v2.0-dev2
v2.0-dev3
v2.0-dev4
v2.0-dev5
v2.0-dev6
v2.0-dev7
v2.0.0
v2.1-dev0
v2.1-dev1
v2.1-dev2
v2.1-dev3
Database specific
source
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-11100.json"
unresolved_ranges
[
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "10.0"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "3.11"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "4.0"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "30"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "31"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "18.04"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "19.10"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "15.1"
}
]
}
]