CVE-2018-17206: canonical ubuntu_linux Out-of-bounds Read
Vulnerability summary
CVE-2018-17206 is a medium (CVSS 4.9) Out-of-bounds Read vulnerability in canonical ubuntu_linux. EPSS estimates a 2.05% chance of exploitation in the next 30 days, higher than 81.2% of scored vulnerabilities.
Not severe (CVSS 4.9, network access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 6 · Related 2Timeline
- 19-09-2018PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
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.
CVSS metrics
5 scores · 3 sources · 3 versions- OSV · UbuntuEcosystem advisory · calculated4.9MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated4.9MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
2.05%
Chance of exploitation in the next 30 days
Percentile
81%
Versus all other CVEs
30-day change
No change 0.00 pp
From 2.05% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, administrative account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Debian2 products
- openvswitch< 2.10.0+2018.08.28+git.8ca7c82b7d+ds1-1
- debian_linuxEOL9.0
Canonical1 product
- ubuntu_linuxEOL16.04 | 18.04
Openvswitch1 product
- openvswitch≥ 2.7.0, ≤ 2.7.6
Redhat1 product
- openstack10 | 13
Ubuntu1 product
- openvswitch< 2.5.5-0ubuntu0.16.04.2 | < 2.9.2-0ubuntu0.18.04.3
5 vendors · 6 products
References
10 links- github.com/openvswitch/ovs/commit/9237a63c47bd314b807cda0bd2216264e82edbe8X Refsource MISCPatchThird Party Advisory
- lists.debian.org/debian-lts-announce/2021/02/msg00032.htmlMailing ListX Refsource MLISTThird Party Advisory