Medium 6.5Published Dec 20, 2018

CVE-2018-1000880libarchive version commit 9693801580c0cf7c70e862d305270a16b52826a7 onwards (release v3.2.0 onwards) contains a CWE-20: Improper Input Validation vulnerability in WARC parser - libarchive/archive_read…

Updated under an hour ago (Oct 26, 2026, 10:30 PM ET)

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It affects libarchive and 3 other products. Add what you run to find out whether that includes you.

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Exploited in the last 30 days

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.

CVSS: 6.5 MEDIUM (v3.1, NVD)CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Weakness (CWE): Not given
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: mitre
NVD analysis: Modified
Record last updated: Oct 8, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

libarchive libarchive libarchive:libarchive	from 3.2.0 before 3.4.0	NVD
canonical ubuntu_linux canonical:ubuntu_linux	14.04; 16.04; 18.04; 18.10	NVD
fedoraproject fedora fedoraproject:fedora	29; 30	NVD
opensuse leap opensuse:leap	15.0	NVD

References

References

https://usn.ubuntu.com/3859-1/	vendor-advisory, x-refsource-ubuntu
https://bugs.launchpad.net/ubuntu/+source/libarchive/+bug/1794909	x-refsource-misc
https://www.debian.org/security/2018/dsa-4360	vendor-advisory, x-refsource-debian
https://github.com/libarchive/libarchive/pull/1105/commits/9c84b7426660c09c18cc349f6d70b5f8168b5680	x-refsource-misc
https://github.com/libarchive/libarchive/pull/1105	x-refsource-misc
http://www.securityfocus.com/bid/106324	vdb-entry, x-refsource-bid
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZVXA7PHINVT6DFF6PRLTDTVTXKDLVHNF/	vendor-advisory, x-refsource-fedora
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/W645KCLWFDBDGFJHG57WOVXGE62QSIJI/	vendor-advisory, x-refsource-fedora
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CBOCC2M6YGPZA6US43YK4INPSJZZHRTG/	vendor-advisory, x-refsource-fedora
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00055.html	vendor-advisory, x-refsource-suse

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.