CVE-2018-1000877

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

4.58% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 90.8% 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

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

2018-12-20 17:00Z7 YR AGO

Last updated

2024-08-05 12:47Z2 YR AGO

Reserved

2018-12-13

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-415Double FreeVariant
• CWE-416Use After FreeVariant

Data version

5.1

Document digest

3fc773220ee6ae9301af069fe365c9544e929b4bdc430a302a8cbb7379b5bc95

• usn.ubuntu.comUSN-3859-1https://usn.ubuntu.com/3859-1/vendor-advisoryx_refsource_UBUNTU
• lists.debian.org[debian-lts-announce] 20181221 [SECURITY] [DLA 1612-1] libarchive security updatehttps://lists.debian.org/debian-lts-announce/2018/12/msg00011.htmlmailing-listx_refsource_MLIST
• bugs.launchpad.nethttps://bugs.launchpad.net/ubuntu/+source/libarchive/+bug/1794909x_refsource_MISC
• www.debian.orgDSA-4360https://www.debian.org/security/2018/dsa-4360vendor-advisoryx_refsource_DEBIAN
• github.comhttps://github.com/libarchive/libarchive/pull/1105/commits/021efa522ad729ff0f5806c4ce53e4a6cc1daa31x_refsource_MISC
• github.comhttps://github.com/libarchive/libarchive/pull/1105x_refsource_MISC
• www.securityfocus.com106324http://www.securityfocus.com/bid/106324vdb-entryx_refsource_BID
• lists.fedoraproject.orgFEDORA-2019-0233ec0ff3https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZVXA7PHINVT6DFF6PRLTDTVTXKDLVHNF/vendor-advisoryx_refsource_FEDORA
• lists.fedoraproject.orgFEDORA-2019-fbe83d0e32https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/W645KCLWFDBDGFJHG57WOVXGE62QSIJI/vendor-advisoryx_refsource_FEDORA
• lists.fedoraproject.orgFEDORA-2019-c595a93536https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CBOCC2M6YGPZA6US43YK4INPSJZZHRTG/vendor-advisoryx_refsource_FEDORA
• lists.opensuse.orgopenSUSE-SU-2019:1196http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00055.htmlvendor-advisoryx_refsource_SUSE
• access.redhat.comRHSA-2019:2298https://access.redhat.com/errata/RHSA-2019:2298vendor-advisoryx_refsource_REDHAT
• access.redhat.comRHSA-2019:3698https://access.redhat.com/errata/RHSA-2019:3698vendor-advisoryx_refsource_REDHAT
• lists.opensuse.orgopenSUSE-SU-2019:2615http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00012.htmlvendor-advisoryx_refsource_SUSE
• lists.opensuse.orgopenSUSE-SU-2019:2632http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00015.htmlvendor-advisoryx_refsource_SUSE