{"id":"CVE-2018-1000879","title":"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 r…","summary":"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 r…","severity":"medium","cvss":6.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","cwe":["CWE-476"],"vendor":"libarchive","product":"libarchive","affected":["libarchive >= 3.3.0, < 3.4.0","fedora = 28","fedora = 29","fedora = 30","leap = 15.0"],"patched":["libarchive 3.4.0"],"published":"2018-12-20","updated":"2026-10-08","sourceUpdated":"2026-10-08T21:17:06.957","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2018-1000879","references":[{"url":"http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00055.html","label":"cve@mitre.org"},{"url":"http://www.securityfocus.com/bid/106324","label":"cve@mitre.org"},{"url":"https://bugs.launchpad.net/ubuntu/+source/libarchive/+bug/1794909","label":"cve@mitre.org"},{"url":"https://github.com/libarchive/libarchive/pull/1105","label":"cve@mitre.org"},{"url":"https://github.com/libarchive/libarchive/pull/1105/commits/15bf44fd2c1ad0e3fd87048b3fcc90c4dcff1175","label":"cve@mitre.org"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CBOCC2M6YGPZA6US43YK4INPSJZZHRTG/","label":"cve@mitre.org"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/W645KCLWFDBDGFJHG57WOVXGE62QSIJI/","label":"cve@mitre.org"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZVXA7PHINVT6DFF6PRLTDTVTXKDLVHNF/","label":"cve@mitre.org"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00055.html","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityfocus.com/bid/106324","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://bugs.launchpad.net/ubuntu/+source/libarchive/+bug/1794909","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/libarchive/libarchive/pull/1105","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/libarchive/libarchive/pull/1105/commits/15bf44fd2c1ad0e3fd87048b3fcc90c4dcff1175","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CBOCC2M6YGPZA6US43YK4INPSJZZHRTG/","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/W645KCLWFDBDGFJHG57WOVXGE62QSIJI/","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZVXA7PHINVT6DFF6PRLTDTVTXKDLVHNF/","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2018/cve-2018-1000879.json"},{"url":"https://access.redhat.com/security/cve/CVE-2018-1000879"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1663890"},{"url":"https://www.cve.org/CVERecord?id=CVE-2018-1000879"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-1000879"}],"tags":["nvd","csaf","vex","red-hat","score-dispute"],"epss":0.03367,"epssPercentile":0.8841,"ingestedAt":"2026-10-08T22:11:53.694Z","scores":{"nvd":6.5,"vendor":4.3},"slug":"CVE-2018-1000879","body":"## Overview\n\nlibarchive 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.\n\n## Affected\n\n- `libarchive >= 3.3.0, < 3.4.0`\n- `fedora = 28`\n- `fedora = 29`\n- `fedora = 30`\n- `leap = 15.0`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `libarchive 3.4.0`\n\n## Vendor advisories\n\n- **Red Hat VEX** · Low · affected: Red Hat Enterprise Linux 8 · no fix planned: Red Hat Enterprise Linux 8 · updated 2026-10-08 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2018/cve-2018-1000879.json)","depth":"sunlit","depthScore":36,"depthScoreParts":{"impact":35.8,"likelihood":0.7,"exploitation":0,"ransomware":0},"changes":[]}