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Vulnerability record · CVE-2018-1000878 · published 20 December 2018

CVE-2018-1000878: Libarchive use after free vulnerability

Libarchive · Libarchive

libarchive version commit 416694915449219d505531b1096384f3237dd6cc onwards (release v3.1.0 onwards) contains a CWE-416: Use After Free vulnerability in RAR decoder - libarchive/archive_read_support_format_rar.c that can result in Crash/DoS - it is unknown if RCE is possible. This attack appear to be exploitable via the victim must open a specially crafted RAR archive.

8.8 CVSS 3.1 High EPSS 4.4% · top 8.9% CWE-416 · Use after free
8.8CVSS 3.1 base score, v2 6.8
4.4%EPSS exploitation probability, 30 days
NoNot in CISA KEV
8Affected product versions listed by NVD
30References
17 Jun 2026Last modified by NVD

Description

libarchive version commit 416694915449219d505531b1096384f3237dd6cc onwards (release v3.1.0 onwards) contains a CWE-416: Use After Free vulnerability in RAR decoder - libarchive/archive_read_support_format_rar.c that can result in Crash/DoS - it is unknown if RCE is possible. This attack appear to be exploitable via the victim must open a specially crafted RAR archive.

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected products

8 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00055.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00012.html
http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00015.html
http://www.securityfocus.com/bid/106324 Third Party AdvisoryVDB Entry
https://access.redhat.com/errata/RHSA-2019:2298 Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:3698
https://bugs.launchpad.net/ubuntu/+source/libarchive/+bug/1794909 PatchThird Party Advisory
https://github.com/libarchive/libarchive/pull/1105 Third Party Advisory
https://github.com/libarchive/libarchive/pull/1105/commits/bfcfe6f04ed20db2504db8a254d1f40a1d84eb28 PatchThird Party Advisory
https://lists.debian.org/debian-lts-announce/2018/12/msg00011.html Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CBOCC2M6YGPZA6US43YK4IN
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/W645KCLWFDBDGFJHG57WOVX
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZVXA7PHINVT6DFF6PRLTDTV
https://usn.ubuntu.com/3859-1/ Third Party Advisory
https://www.debian.org/security/2018/dsa-4360 Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00055.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00012.html
http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00015.html
http://www.securityfocus.com/bid/106324 Third Party AdvisoryVDB Entry
https://access.redhat.com/errata/RHSA-2019:2298 Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:3698
https://bugs.launchpad.net/ubuntu/+source/libarchive/+bug/1794909 PatchThird Party Advisory
https://github.com/libarchive/libarchive/pull/1105 Third Party Advisory
https://github.com/libarchive/libarchive/pull/1105/commits/bfcfe6f04ed20db2504db8a254d1f40a1d84eb28 PatchThird Party Advisory
https://lists.debian.org/debian-lts-announce/2018/12/msg00011.html Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CBOCC2M6YGPZA6US43YK4IN
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/W645KCLWFDBDGFJHG57WOVX
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZVXA7PHINVT6DFF6PRLTDTV
https://usn.ubuntu.com/3859-1/ Third Party Advisory
https://www.debian.org/security/2018/dsa-4360 Third Party Advisory

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Source: NIST National Vulnerability Database (record CVE-2018-1000878), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.