CVE-2018-1000879

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 3.1

6.5CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

EPSS

3.4% chance of exploitation in the next 30 days; higher than 88% of CVEs (scores of 2026-10-25)

CWE

CWE-476

Published

2018-12-20

Modified

2026-10-08

Record from

the NVD, synced 2026-10-19

Affected

• fedoraproject:fedora
• libarchive:libarchive
• opensuse:leap

References

• http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00055.html
• http://www.securityfocus.com/bid/106324
• https://bugs.launchpad.net/ubuntu/+source/libarchive/+bug/1794909
• https://github.com/libarchive/libarchive/pull/1105
• https://github.com/libarchive/libarchive/pull/1105/commits/15bf44fd2c1ad0e3fd87048b3fcc90c4dcff1175

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