CVE-2017-17855

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

0.41% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 35.7% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

CVSS:3.1/AV:L/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

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

2017-12-23 04:00Z8 YR AGO

Last updated

2024-08-05 21:06Z2 YR AGO

Reserved

2017-12-22

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-119Improper Restriction of Operations within the Bounds of a Memory BufferClass
• CWE-822Untrusted Pointer DereferenceBase

Data version

5.1

Document digest

72f03482402e4a6b952cd64bc42599c5600252c115daac5ed0fc82bd0884deea

• www.openwall.comhttp://www.openwall.com/lists/oss-security/2017/12/21/2x_refsource_MISC
• git.kernel.orghttp://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=179d1c5602997fef5a940c6ddcf31212cbfebd14x_refsource_MISC
• github.comhttps://github.com/torvalds/linux/commit/179d1c5602997fef5a940c6ddcf31212cbfebd14x_refsource_MISC