CVE-2018-17206
openvswitch: Buffer over-read in lib/ofp-actions.c:decode_bundle()
Severity
ModerateRed Hat Product Security
CVSS 3.0
Review impact separately from score.
Published · September 25, 2018
Updated · June 28, 2026
Description
An issue was discovered in Open vSwitch (OvS) 2.5.x through 2.5.5, 2.6.x through 2.6.3, 2.7.x through 2.7.6, 2.8.x through 2.8.4, and 2.9.x through 2.9.2 where the decode_bundle function inside lib/ofp-actions.c is affected by a buffer over-read issue during BUNDLE action decoding. A specially crafted flow update applied using the bundling feature of Open vSwitch could potentially cause a crash leading to a denial of service.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.0 · 4.9CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
CWE-125 · Out-of-bounds Read