CVE-2017-15227

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

2.08% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 81.1% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/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

2017-10-22 17:00Z9 YR AGO

Last updated

2024-08-05 19:50Z2 YR AGO

Reserved

2017-10-10

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-416Use After FreeVariant

Data version

5.1

Document digest

7de955b8fa22425708c82a3a7a65656033f88cea410f8d9b5bccfa59e4fb1d2b

• www.debian.orgDSA-4016https://www.debian.org/security/2017/dsa-4016vendor-advisoryx_refsource_DEBIAN
• lists.debian.org[debian-lts-announce] 20171223 [SECURITY] [DLA 1217-1] irssi security updatehttps://lists.debian.org/debian-lts-announce/2017/12/msg00022.htmlmailing-listx_refsource_MLIST
• irssi.orghttps://irssi.org/security/irssi_sa_2017_10.txtx_refsource_CONFIRM
• openwall.comhttp://openwall.com/lists/oss-security/2017/10/22/4x_refsource_CONFIRM