HOME VULNERABILITIESCVE-2019-1000019

MEDIUM

CVE-2019-1000019

CWE-125Published: February 4, 2019· Updated: Jun 17, 2026

6.5

CVSS v3.1

Official Description

libarchive version commit bf9aec176c6748f0ee7a678c5f9f9555b9a757c1 onwards (release v3.0.2 onwards) contains a CWE-125: Out-of-bounds Read vulnerability in 7zip decompression, archive_read_support_format_7zip.c, header_bytes() that can result in a crash (denial of service). This attack appears to be exploitable via the victim opening a specially crafted 7zip file.

Technical Analysis

CVE-2019-1000019 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.

A successful exploit results in availability disruption (denial of service), with a CVSS base score of 6.5.

CVSS v3.1 Vector Breakdown

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges Req.None

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

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

Affected Vendors & Products

Canonical1 product(s)

ubuntu linux

Debian1 product(s)

debian linux

Fedora1 product(s)

fedora

libarchive1 product(s)

libarchive

openSUSE1 product(s)

leap

Red Hat3 product(s)

enterprise linux desktopenterprise linux serverenterprise linux workstation

Source: NVD CPE · 12 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time

Offensive Security exploit database

GitHub PoC Search

Community PoC repositories

Rapid7 / Metasploit

Metasploit module search

Security advisories & exploits

Official NIST entry

CVE Program entry

External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

PATCHhttps://github.com/libarchive/libarchive/pull/1120/commits/65a23f5dbee4497064e9bb467f81138a62b0dae1

PATCHhttps://github.com/libarchive/libarchive/pull/1120/commits/65a23f5dbee4497064e9bb467f81138a62b0dae1

ADVISORYhttp://lists.opensuse.org/opensuse-security-announce/2019-04/msg00055.html

ADVISORYhttps://access.redhat.com/errata/RHSA-2019:2298

ADVISORYhttps://github.com/libarchive/libarchive/pull/1120

ADVISORYhttps://lists.debian.org/debian-lts-announce/2019/02/msg00013.html

ADVISORYhttps://usn.ubuntu.com/3884-1/

ADVISORYhttp://lists.opensuse.org/opensuse-security-announce/2019-04/msg00055.html

ADVISORYhttps://access.redhat.com/errata/RHSA-2019:2298

ADVISORYhttps://github.com/libarchive/libarchive/pull/1120

ADVISORYhttps://lists.debian.org/debian-lts-announce/2019/02/msg00013.html

ADVISORYhttps://usn.ubuntu.com/3884-1/

All References (22)

→

http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00055.htmlMailing List · Third Party Advisory

→

http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00012.html

→

http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00015.html

→

https://access.redhat.com/errata/RHSA-2019:2298Third Party Advisory

→

https://access.redhat.com/errata/RHSA-2019:3698

→

https://github.com/libarchive/libarchive/pull/1120Third Party Advisory

→

https://github.com/libarchive/libarchive/pull/1120/commits/65a23f5dbee4497064e9bb467f81138a62b0dae1Exploit · Patch · Third Party Advisory

→

https://lists.debian.org/debian-lts-announce/2019/02/msg00013.htmlMailing List · 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/ZVXA7PHINVT6DFF6PRLTDTVTXKDLVHNF/

→

https://usn.ubuntu.com/3884-1/Third Party Advisory

→

http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00055.htmlMailing List · Third Party Advisory

→

http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00012.html

→

http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00015.html

→

https://access.redhat.com/errata/RHSA-2019:2298Third Party Advisory

Quick Facts

CVE IDCVE-2019-1000019

CVSS Score6.5 / 10

SeverityMEDIUM

WeaknessCWE-125

CISA KEVNo

Affected6 vendor(s)

PublishedFeb 4, 2019

Related CVEs (CWE-125)

Recommended Actions

→Apply vendor patches immediately
→Monitor CVE-2019-1000019 in threat intel feeds
→Review IDS/IPS signatures for exploitation attempts

Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.

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