CVE-2015-8921

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

11.99% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 95.8% 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

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

2016-09-20 14:00Z9 YR AGO

Last updated

2024-08-06 08:36Z2 YR AGO

Reserved

2016-06-17

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-125Out-of-bounds ReadBase

Data version

5.1

Document digest

4966d94a2f97990d5bfaf9740f79efc34ff89be8c2cc8731e8e51e33e5d35747

• www.ubuntu.comUSN-3033-1http://www.ubuntu.com/usn/USN-3033-1vendor-advisoryx_refsource_UBUNTU
• rhn.redhat.comRHSA-2016:1844http://rhn.redhat.com/errata/RHSA-2016-1844.htmlvendor-advisoryx_refsource_REDHAT
• blog.fuzzing-project.orghttps://blog.fuzzing-project.org/47-Many-invalid-memory-access-issues-in-libarchive.htmlx_refsource_MISC
• www.oracle.comhttp://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.htmlx_refsource_CONFIRM
• lists.opensuse.orgSUSE-SU-2016:1909http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00025.htmlvendor-advisoryx_refsource_SUSE
• rhn.redhat.comRHSA-2016:1850http://rhn.redhat.com/errata/RHSA-2016-1850.htmlvendor-advisoryx_refsource_REDHAT
• github.comhttps://github.com/libarchive/libarchive/issues/512x_refsource_CONFIRM
• www.openwall.com[oss-security] 20160617 Many invalid memory access issues in libarchivehttp://www.openwall.com/lists/oss-security/2016/06/17/2mailing-listx_refsource_MLIST
• security.gentoo.orgGLSA-201701-03https://security.gentoo.org/glsa/201701-03vendor-advisoryx_refsource_GENTOO
• www.openwall.com[oss-security] 20160617 Re: Many invalid memory access issues in libarchivehttp://www.openwall.com/lists/oss-security/2016/06/17/5mailing-listx_refsource_MLIST
• www.debian.orgDSA-3657http://www.debian.org/security/2016/dsa-3657vendor-advisoryx_refsource_DEBIAN
• www.securityfocus.com91307http://www.securityfocus.com/bid/91307vdb-entryx_refsource_BID