CVE-2017-6891

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

5.58% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 92.6% 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:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

NVD analysis status

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

Red Hat severity

Low. 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

2017-05-22 19:00Z9 YR AGO

Last updated

2024-08-05 15:41Z2 YR AGO

Reserved

2017-03-14

Assigning CNA

flexera

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-787Out-of-bounds WriteBase
• CWE-121Stack-based Buffer OverflowVariant

Data version

5.1

Document digest

a11fbe739fcd0deaf40f8b570a99ab7f573415c8df384113882d3954cde9b13b

• security.gentoo.orgGLSA-201710-11https://security.gentoo.org/glsa/201710-11vendor-advisoryx_refsource_GENTOO
• www.debian.orgDSA-3861http://www.debian.org/security/2017/dsa-3861vendor-advisoryx_refsource_DEBIAN
• secuniaresearch.flexerasoftware.comhttps://secuniaresearch.flexerasoftware.com/advisories/76125/x_refsource_MISC
• secuniaresearch.flexerasoftware.comhttps://secuniaresearch.flexerasoftware.com/secunia_research/2017-11/x_refsource_MISC
• git.savannah.gnu.orghttp://git.savannah.gnu.org/gitweb/?p=libtasn1.git%3Ba=commit%3Bh=5520704d075802df25ce4ffccc010ba1641bd484x_refsource_CONFIRM
• www.securityfocus.com98641http://www.securityfocus.com/bid/98641vdb-entryx_refsource_BID
• www.securitytracker.com1038619http://www.securitytracker.com/id/1038619vdb-entryx_refsource_SECTRACK
• lists.opensuse.orgopenSUSE-SU-2019:1510http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00018.htmlvendor-advisoryx_refsource_SUSE
• lists.apache.org[bookkeeper-issues] 20210628 [GitHub] [bookkeeper] padma81 opened a new issue #2746: Security Vulnerabilities in CentOS 7 image, Upgrade image to CentOS 8https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3Emailing-listx_refsource_MLIST
• lists.apache.org[bookkeeper-issues] 20210629 [GitHub] [bookkeeper] padma81 opened a new issue #2746: Security Vulnerabilities in CentOS 7 image, Upgrade image to CentOS 8https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3Emailing-listx_refsource_MLIST