CVE-2017-2630

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

2.65% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 84.5% 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:3.0/AV:N/AC:L/PR:L/UI:N/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

2018-07-27 18:00Z8 YR AGO

Last updated

2024-08-05 14:02Z2 YR AGO

Reserved

2016-12-01

Assigning CNA

redhat

Record state

PUBLISHED

Severity

Medium (CVSS 5.5)

CNA CVSS vector

CVSS:3.0/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:L

Weaknesses

• CWE-121Stack-based Buffer OverflowVariant
• CWE-119Improper Restriction of Operations within the Bounds of a Memory BufferClass

Data version

5.1

Document digest

7d87d5c78eb0399199e968a1ec5766ded87a9b6dcb9390099b3a6826be644115

• access.redhat.comRHSA-2017:2392https://access.redhat.com/errata/RHSA-2017:2392vendor-advisoryx_refsource_REDHAT
• www.securityfocus.com96265http://www.securityfocus.com/bid/96265vdb-entryx_refsource_BID
• security.gentoo.orgGLSA-201704-01https://security.gentoo.org/glsa/201704-01vendor-advisoryx_refsource_GENTOO
• www.openwall.com[oss-security] 20170215 CVE-2017-2630 Qemu: nbd: oob stack write in client routine drop_synchttp://www.openwall.com/lists/oss-security/2017/02/15/2mailing-listx_refsource_MLIST
• lists.gnu.org[qemu-devel] 20170206 [PATCH 05/18] nbd/client: fix drop_synchttps://lists.gnu.org/archive/html/qemu-devel/2017-02/msg01246.htmlmailing-listx_refsource_MLIST
• bugzilla.redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-2630x_refsource_CONFIRM
• bugzilla.redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=1422415x_refsource_CONFIRM
• github.comhttps://github.com/qemu/qemu/commit/2563c9c6b8670400c48e562034b321a7cf3d9a85x_refsource_MISC