CVE-2017-2633

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

3.07% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 87.3% of scored records. A rank, not a probability.

NVD base score

6.5 (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:N/I:N/A:H

NVD analysis status

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

Red Hat severity

Moderate. 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 19:00Z8 YR AGO

Last updated

2024-08-05 14:02Z2 YR AGO

Reserved

2016-12-01

Assigning CNA

redhat

Record state

PUBLISHED

Severity

Medium (CVSS 5.4)

CNA CVSS vector

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

Weaknesses

• CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')Base
• CWE-125Out-of-bounds ReadBase
• CWE-787Out-of-bounds WriteBase

Data version

5.1

Document digest

ebd70317f2d77c2d5768b3479c9da33c0f99e672d6cc93bdf4022903551866a8

• www.openwall.com[oss-security] 20170223 CVE-2017-2633 Qemu: VNC: memory corruption due to unchecked resolution limithttp://www.openwall.com/lists/oss-security/2017/02/23/1mailing-listx_refsource_MLIST
• git.qemu.orghttps://git.qemu.org/?p=qemu.git%3Ba=commitdiff%3Bh=bea60dd7679364493a0d7f5b54316c767cf894efx_refsource_CONFIRM
• access.redhat.comRHSA-2017:1206https://access.redhat.com/errata/RHSA-2017:1206vendor-advisoryx_refsource_REDHAT
• git.qemu.orghttps://git.qemu.org/?p=qemu.git%3Ba=commitdiff%3Bh=9f64916da20eea67121d544698676295bbb105a7x_refsource_CONFIRM
• bugzilla.redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-2633x_refsource_CONFIRM
• access.redhat.comRHSA-2017:1441https://access.redhat.com/errata/RHSA-2017:1441vendor-advisoryx_refsource_REDHAT
• www.securityfocus.com96417http://www.securityfocus.com/bid/96417vdb-entryx_refsource_BID
• access.redhat.comRHSA-2017:1856https://access.redhat.com/errata/RHSA-2017:1856vendor-advisoryx_refsource_REDHAT
• access.redhat.comRHSA-2017:1205https://access.redhat.com/errata/RHSA-2017:1205vendor-advisoryx_refsource_REDHAT