Medium 6.5Published Dec 20, 2018

CVE-2018-1000879libarchive version commit 379867ecb330b3a952fb7bfa7bffb7bbd5547205 onwards (release v3.3.0 onwards) contains a CWE-476: NULL Pointer Dereference vulnerability in ACL parser - libarchive/archive_acl.c…

Updated under an hour ago (Oct 26, 2026, 4:23 PM ET)

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It affects libarchive and 2 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 379867ecb330b3a952fb7bfa7bffb7bbd5547205 onwards (release v3.3.0 onwards) contains a CWE-476: NULL Pointer Dereference vulnerability in ACL parser - libarchive/archive_acl.c, archive_acl_from_text_l() that can result in Crash/DoS. This attack appear to be exploitable via the victim must open a specially crafted archive 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 3.3.0 before 3.4.0	NVD
fedoraproject fedora fedoraproject:fedora	28; 29; 30	NVD
opensuse leap opensuse:leap	15.0	NVD

References

References

https://github.com/libarchive/libarchive/pull/1105/commits/15bf44fd2c1ad0e3fd87048b3fcc90c4dcff1175	x-refsource-misc
https://bugs.launchpad.net/ubuntu/+source/libarchive/+bug/1794909	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.