CVE-2017-5121

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

5.28% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 92.3% of scored records. A rank, not a probability.

NVD base score

8.8 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

Important. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2017-10-27 05:00Z9 YR AGO

Last updated

2024-08-05 14:47Z2 YR AGO

Reserved

2017-01-02

Assigning CNA

Chrome

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-20Improper Input ValidationClass
• CWE-119Improper Restriction of Operations within the Bounds of a Memory BufferClass

Data version

5.1

Document digest

497f7cb073021509af7e56fa027cc24dc4a92a0b15ef5c46aecdd6a13d2289d0

• www.securityfocus.com100947http://www.securityfocus.com/bid/100947vdb-entryx_refsource_BID
• security.gentoo.orgGLSA-201709-25https://security.gentoo.org/glsa/201709-25vendor-advisoryx_refsource_GENTOO
• chromereleases.googleblog.comhttps://chromereleases.googleblog.com/2017/09/stable-channel-update-for-desktop_21.htmlx_refsource_MISC
• blogs.technet.microsoft.comhttps://blogs.technet.microsoft.com/mmpc/2017/10/18/browser-security-beyond-sandboxing/x_refsource_MISC
• access.redhat.comRHSA-2017:2792https://access.redhat.com/errata/RHSA-2017:2792vendor-advisoryx_refsource_REDHAT
• www.securitytracker.com1039497http://www.securitytracker.com/id/1039497vdb-entryx_refsource_SECTRACK
• crbug.comhttps://crbug.com/765433x_refsource_MISC
• www.debian.orgDSA-3985http://www.debian.org/security/2017/dsa-3985vendor-advisoryx_refsource_DEBIAN