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Vulnerability Assessment

Weakness
CWE
CWE-19
ASVS 5.0
V2 - Validation and Business Logic Data processing
Impact

CVSS score of 7.5 (HIGH). Attack characteristics: network attack vector, low complexity, no privileges required, no user interaction not required. Public proof-of-concept exploit code is available. EPSS exploitation probability: 5.22%.
Exploit ScenarioDerived

This vulnerability can be exploited remotely over the network. Successful exploitation could compromise the high-severity affected system.
This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).
Patch available 5.2% exploitation probability (EPSS)

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AnalysisAI

The sandboxing code in libarchive 3.2.0 and earlier mishandles hardlink archive entries of non-zero data size, which might allow remote attackers to write to arbitrary files via a crafted archive. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

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Technical ContextAI · show details

This vulnerability is classified under CWE-19. The sandboxing code in libarchive 3.2.0 and earlier mishandles hardlink archive entries of non-zero data size, which might allow remote attackers to write to arbitrary files via a crafted archive file. Affected products include: Redhat Enterprise Linux Desktop, Redhat Enterprise Linux Hpc Node, Redhat Enterprise Linux Server, Redhat Enterprise Linux Workstation, Oracle Linux.

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  • Exploit and PoC references, threat intelligence from 22 sources
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Severity by source

NVD PRIMARY 7.5 HIGH
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
None

DescriptionCVE.org

The sandboxing code in libarchive 3.2.0 and earlier mishandles hardlink archive entries of non-zero data size, which might allow remote attackers to write to arbitrary files via a crafted archive file.

Threat Intelligence Overview

EPSS Score
5.2%
Top 10% exploitable
Exploit
POC
Public exploit code exists
Data Quality
4 sources
Confidence: Medium
NVD CVE.org EPSS GitHub

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity HIGH
CISA KEV No
Public POC Yes
EPSS 5.2%
Patch available Yes
Active threat No
Deciding rule
HIGH severity (CVSS 7.0-8.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Scheduled
Exploitation· derived
Poc
System Exposure· derived
Open
Automatable· derived
Yes
Human Impact· derived
Medium

Priority Score

63
Low Medium High Critical
KEV: 0
EPSS: +5
CVSS: +38
PoC: +20
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Remote Code Execution CRITICAL

Remote Code Execution represents the critical moment when an attacker successfully runs arbitrary code on a target system without physical access.

Affected Products (CPE)CVE.org

cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_hpc_node:6.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:*
cpe:2.3:o:oracle:linux:6:*:*:*:*:*:*:*
cpe:2.3:o:oracle:linux:7:*:*:*:*:*:*:*
cpe:2.3:a:redhat:openshift:3.1:*:*:*:enterprise:*:*:*
cpe:2.3:a:redhat:openshift:3.2:*:*:*:enterprise:*:*:*
cpe:2.3:a:libarchive:libarchive:*:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_hpc_node:7.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_hpc_node_eus:7.2:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server_aus:7.2:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server_eus:7.2:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*

More in Libarchive

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CVE-2025-5914 HIGH POC
7.8 Jun 09

CVE-2025-5914 is an integer overflow vulnerability in libarchive's archive_read_format_rar_seek_data() function that lea
CVE-2024-37407 CRITICAL POC
9.1 Jun 08

Libarchive before 3.7.4 allows name out-of-bounds access when a ZIP archive has an empty-name file and mac-ext is enable
CVE-2016-4301 HIGH POC
7.8 Sep 21

Stack-based buffer overflow in the parse_device function in archive_read_support_format_mtree.c in libarchive before 3.2
CVE-2016-4302 HIGH POC
7.8 Sep 21

Heap-based buffer overflow in the parse_codes function in archive_read_support_format_rar.c in libarchive before 3.2.1 a
CVE-2016-4300 HIGH POC
7.8 Sep 21

Integer overflow in the read_SubStreamsInfo function in archive_read_support_format_7zip.c in libarchive before 3.2.1 al
CVE-2015-8931 HIGH POC
7.8 Sep 20

Multiple integer overflows in the (1) get_time_t_max and (2) get_time_t_min functions in archive_read_support_format_mtr
CVE-2024-48615 HIGH POC
7.5 Mar 28

Null Pointer Dereference vulnerability in libarchive 3.7.6 and earlier when running program bsdtar in function header_pa
CVE-2015-2304 MEDIUM POC
6.4 Mar 15

Absolute path traversal vulnerability in bsdcpio in libarchive 3.1.2 and earlier allows remote attackers to write to arb
CVE-2016-5844 MEDIUM POC
6.5 Sep 21

Integer overflow in the ISO parser in libarchive before 3.2.1 allows remote attackers to cause a denial of service (appl
CVE-2016-1541 HIGH
8.8 May 07

Heap-based buffer overflow in the zip_read_mac_metadata function in archive_read_support_format_zip.c in libarchive befo
CVE-2022-26280 MEDIUM POC
6.5 Mar 28

Libarchive v3.6.0 was discovered to contain an out-of-bounds read via the component zipx_lzma_alone_init. Rated medium s
CVE-2019-1000019 MEDIUM POC
6.5 Feb 04

libarchive version commit bf9aec176c6748f0ee7a678c5f9f9555b9a757c1 onwards (release v3.0.2 onwards) contains a CWE-125:

Same weakness CWE-19 – Data Processing Errors

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CVE-2015-5477 HIGH POC
7.5
CVE-2012-5357 CRITICAL POC
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8.8
CVE-2015-5374 HIGH POC
7.8
CVE-2016-3236 CRITICAL POC
9.8
CVE-2015-0097 CRITICAL POC
9.3
CVE-2015-0081 CRITICAL POC
9.3
CVE-2014-8598 MEDIUM POC
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Same technique RCE

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10.0
CVE-2017-7269 CRITICAL POC
9.8
CVE-2022-47966 CRITICAL POC
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CVE-2012-4681 CRITICAL POC
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CVE-2023-3519 CRITICAL POC
9.8
CVE-2015-5119 CRITICAL POC
9.8
CVE-2016-4117 CRITICAL POC
9.8
CVE-2015-3113 CRITICAL POC
9.8

References

Advisories & patches
PATCH https://github.com/libarchive/libarchive/commit/dfd6b54ce33960e420fb206d8872fb759b577ad9 REF http://rhn.redhat.com/errata/RHSA-2016-1844.html REF http://rhn.redhat.com/errata/RHSA-2016-1850.html REF http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html REF http://www.securityfocus.com/bid/93165 REF https://access.redhat.com/errata/RHSA-2016:1852 REF https://access.redhat.com/errata/RHSA-2016:1853 REF https://bugzilla.redhat.com/show_bug.cgi?id=1362601 REF https://security.gentoo.org/glsa/201701-03

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