Medium
Security advisory
An issue was discovered in Open vSwitch (OvS) 2.7.x through 2.7.6. The decode_bundle function inside lib/ofp-actions.c is affected by a buffer over-read issue during BUNDLE action decoding.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2018-17206
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 12:32 UTC · Revision 1
Source evidence
An issue was discovered in Open vSwitch (OvS) 2.7.x through 2.7.6. The decode_bundle function inside lib/ofp-actions.c is affected by a buffer over-read issue during BUNDLE action decoding.
osv:CVE-2018-17206
Complete source record
{
"id": "f2f7d63ec2dab8594a56f375541c333549770444fe9527659e7e0c26d9d9fc18",
"url": "https://osv.dev/vulnerability/CVE-2018-17206",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2018-17206",
"summary": "An issue was discovered in Open vSwitch (OvS) 2.7.x through 2.7.6. The decode_bundle function inside lib/ofp-actions.c is affected by a buffer over-read issue during BUNDLE action decoding.",
"evidence": "osv:CVE-2018-17206",
"products": [],
"severity": "medium",
"structured": {
"id": "CVE-2018-17206",
"aliases": [
"CVE-2018-17206"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/openvswitch/ovs",
"type": "GIT",
"events": [
{
"introduced": "c298ef781c2d35d939fe163cbc2f41ea7b1cb8d1"
},
{
"last_affected": "a3830aae25911fef587c08f7301b4665ecc17ae1"
},
{
"fixed": "9237a63c47bd314b807cda0bd2216264e82edbe8"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:openvswitch:openvswitch:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "2.7.0"
},
{
"last_affected": "2.7.6"
}
],
"source": "CPE_RANGE"
},
{
"range": [
{
"fixed": "9237a63c47bd314b807cda0bd2216264e82edbe8"
}
],
"source": "REFERENCES_COMMIT"
}
]
}
}
],
"versions": [
"v2.7.6",
"v2.7.5",
"v2.7.4",
"v2.7.3",
"v2.7.2",
"v2.7.1",
"v2.7.0"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-17206.json",
"vanir_signatures": [
{
"id": "CVE-2018-17206-41634a70",
"digest": {
"length": 2465,
"function_hash": "57461956889987823182985039612819091499"
},
"source": "https://github.com/openvswitch/ovs/commit/9237a63c47bd314b807cda0bd2216264e82edbe8",
"target": {
"file": "lib/ofp-actions.c",
"function": "decode_bundle"
},
"deprecated": false,
"signature_type": "Function",
"signature_version": "v1"
},
{
"id": "CVE-2018-17206-f8b6cd53",
"digest": {
"threshold": 0.9,
"line_hashes": [
"210906905664758460515499443758496348914",
"169491159002022090409035248224929762667",
"260441358071495433885160431772933471618",
"29049431944125111516871169759209627234",
"104421915300623089526274437846960737898",
"236094497615507576891058569560103942668",
"97419143637965801260516021338863620520",
"265232926905435110150322864614360754111"
]
},
"source": "https://github.com/openvswitch/ovs/commit/9237a63c47bd314b807cda0bd2216264e82edbe8",
"target": {
"file": "lib/ofp-actions.c"
},
"deprecated": false,
"signature_type": "Line",
"signature_version": "v1"
}
],
"vanir_signatures_modified": "2026-10-20T13:46:35Z"
}
}
],
"modified": "2026-10-20T13:46:35.763887902Z",
"provider": "osv",
"references": [
"https://access.redhat.com/errata/RHSA-2018:3500",
"https://access.redhat.com/errata/RHSA-2019:0053",
"https://access.redhat.com/errata/RHSA-2019:0081",
"https://lists.debian.org/debian-lts-announce/2021/02/msg00032.html",
"https://usn.ubuntu.com/3873-1/",
"https://github.com/openvswitch/ovs/commit/9237a63c47bd314b807cda0bd2216264e82edbe8"
],
"provider_metadata": {
"unresolved_ranges": [
{
"cpes": [
"cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*",
"cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*"
],
"vendor_product": "canonical:ubuntu_linux",
"extracted_events": [
{
"range": [
{
"introduced": "16.04"
},
{
"last_affected": "16.04"
},
{
"introduced": "18.04"
},
{
"last_affected": "18.04"
}
],
"source": "CPE_STRING"
}
]
},
{
"cpes": [
"cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*"
],
"vendor_product": "debian:debian_linux",
"extracted_events": [
{
"range": [
{
"introduced": "9.0"
},
{
"last_affected": "9.0"
}
],
"source": "CPE_STRING"
}
]
},
{
"cpes": [
"cpe:2.3:a:redhat:openstack:10:*:*:*:*:*:*:*",
"cpe:2.3:a:redhat:openstack:13:*:*:*:*:*:*:*"
],
"vendor_product": "redhat:openstack",
"extracted_events": [
{
"range": [
{
"introduced": "10"
},
{
"last_affected": "10"
},
{
"introduced": "13"
},
{
"last_affected": "13"
}
],
"source": "CPE_STRING"
}
]
}
]
}
},
"related_cves": [
{
"value": "CVE-2018-17206",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 388225,
"published_at": "2018-09-19T16:29:01.113+00:00"
}