CVE-2018-1000880

Name: CVE-2018-1000880
Creator: NVD / NIST
Published: 2018-12-20T17:29:01.3+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.5/10EPSS 4.06%

Last modified Jun 17, 2026

CVE-2018-1000880 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. libarchive version commit 9693801580c0cf7c70e862d305270a16b52826a7 onwards (release v3.2.0 onwards) contains a CWE-20: Improper Input Validation vulnerability in WARC parser - libarchive/archive_read_support_format_warc.c, _warc_read() that can result in DoS - quasi-infinite run time and disk usage from tiny file. This attack appear to be exploitable via the victim must open a specially crafted WARC file.. EPSS estimates a 4.06% chance of exploitation in the next 30 days.

Description

libarchive version commit 9693801580c0cf7c70e862d305270a16b52826a7 onwards (release v3.2.0 onwards) contains a CWE-20: Improper Input Validation vulnerability in WARC parser - libarchive/archive_read_support_format_warc.c, _warc_read() that can result in DoS - quasi-infinite run time and disk usage from tiny file. This attack appear to be exploitable via the victim must open a specially crafted WARC file.

Metrics

CVSS 3.1

6.5/10

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

EPSS Probability

4.06%

89.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-119

Affected Software

Vendor	Product	Versions
Libarchive	Libarchive	>= 3.2.0, < 3.4.0
Canonical	Ubuntu Linux	14.04
Canonical	Ubuntu Linux	16.04
Canonical	Ubuntu Linux	18.04
Canonical	Ubuntu Linux	18.10
Fedoraproject	Fedora	29
Fedoraproject	Fedora	30
Opensuse	Leap	15.0

References

http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00055.htmlMailing List, Third Party Advisory
http://www.securityfocus.com/bid/106324Third Party Advisory, VDB Entry
https://bugs.launchpad.net/ubuntu/+source/libarchive/+bug/1794909Patch, Third Party Advisory
https://github.com/libarchive/libarchive/pull/1105Third Party Advisory
https://github.com/libarchive/libarchive/pull/1105/commits/9c84b7426660c09c18cc349f6d70b5f8168b5680Patch, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CBOCC2M6YGPZA6US43YK4INPSJZZHRTG/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/W645KCLWFDBDGFJHG57WOVXGE62QSIJI/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZVXA7PHINVT6DFF6PRLTDTVTXKDLVHNF/
https://usn.ubuntu.com/3859-1/Third Party Advisory
https://www.debian.org/security/2018/dsa-4360Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00055.htmlMailing List, Third Party Advisory
http://www.securityfocus.com/bid/106324Third Party Advisory, VDB Entry
https://bugs.launchpad.net/ubuntu/+source/libarchive/+bug/1794909Patch, Third Party Advisory
https://github.com/libarchive/libarchive/pull/1105Third Party Advisory
https://github.com/libarchive/libarchive/pull/1105/commits/9c84b7426660c09c18cc349f6d70b5f8168b5680Patch, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CBOCC2M6YGPZA6US43YK4INPSJZZHRTG/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/W645KCLWFDBDGFJHG57WOVXGE62QSIJI/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZVXA7PHINVT6DFF6PRLTDTVTXKDLVHNF/
https://usn.ubuntu.com/3859-1/Third Party Advisory
https://www.debian.org/security/2018/dsa-4360Third Party Advisory

Timeline

Published: Dec 20, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-1000880?

How severe is CVE-2018-1000880?

CVE-2018-1000880 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 4.06% probability of exploitation in the next 30 days.

How do I fix CVE-2018-1000880?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-1000880?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST