CVE-2017-15955

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

0.91% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 57.5% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

NVD analysis status

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

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

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

2017-10-28 21:00Z8 YR AGO

Last updated

2024-08-05 20:13Z2 YR AGO

Reserved

2017-10-28

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-476NULL Pointer DereferenceBase

Data version

5.1

Document digest

125eccbeb6f73589b061260bf1901fe6edfaeb26b5cd1892786f11aa0e155b6f

• github.comhttps://github.com/hessu/bchunk/issues/2x_refsource_CONFIRM
• lists.debian.org[debian-lts-announce] 20171102 [SECURITY] [DLA 1158-1] bchunk security updatehttps://lists.debian.org/debian-lts-announce/2017/11/msg00001.htmlmailing-listx_refsource_MLIST
• www.debian.orgDSA-4026https://www.debian.org/security/2017/dsa-4026vendor-advisoryx_refsource_DEBIAN
• github.comhttps://github.com/extramaster/bchunk/issues/4x_refsource_MISC