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.
Fix
Patch, vendor advisory and mitigation references on NVD 4
- https://bugs.launchpad.net/ubuntu/+source/libarchive/+bug/1794909 Patch, Third Party Advisory
- https://github.com/libarchive/libarchive/pull/1105/commits/9c84b7426660c09c18cc349f6d70b5f8168b5680 Patch, Third Party Advisory
- https://bugs.launchpad.net/ubuntu/+source/libarchive/+bug/1794909 Patch, Third Party Advisory
- https://github.com/libarchive/libarchive/pull/1105/commits/9c84b7426660c09c18cc349f6d70b5f8168b5680 Patch, Third Party Advisory
Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.
Change history 1
- First seenCVSS 6.5 · libarchive, canonical, fedoraprojectNVD modified 2026-10-08 21:17
Affected (CPE criteria) 8
cpe:2.3:a:libarchive:libarchive:*:*:*:*:*:*:*:*cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:*cpe:2.3:o:fedoraproject:fedora:29:*:*:*:*:*:*:*cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:*cpe:2.3:o:opensuse:leap:15.0:*:*:*:*:*:*:*
References 20
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00055.html Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/106324 Third Party Advisory, VDB Entry
- https://bugs.launchpad.net/ubuntu/+source/libarchive/+bug/1794909 Patch, Third Party Advisory
- https://github.com/libarchive/libarchive/pull/1105 Third Party Advisory
- https://github.com/libarchive/libarchive/pull/1105/commits/9c84b7426660c09c18cc349f6d70b5f8168b5680 Patch, 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-4360 Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00055.html Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/106324 Third Party Advisory, VDB Entry
- https://bugs.launchpad.net/ubuntu/+source/libarchive/+bug/1794909 Patch, Third Party Advisory
- https://github.com/libarchive/libarchive/pull/1105 Third Party Advisory
- https://github.com/libarchive/libarchive/pull/1105/commits/9c84b7426660c09c18cc349f6d70b5f8168b5680 Patch, 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-4360 Third Party Advisory