HOMEVULNERABILITIESCVE-2025-5918
MEDIUM

CVE-2025-5918

CWE-125Published: June 9, 2025· Updated: Jun 30, 2026

6.6
CVSS v3.1

Official Description

A vulnerability has been identified in the libarchive library. This flaw can be triggered when file streams are piped into bsdtar, potentially allowing for reading past the end of the file. This out-of-bounds read can lead to unintended consequences, including unpredictable program behavior, memory corruption, or a denial-of-service condition.

NVD Source

Technical Analysis

CVE-2025-5918 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in complete confidentiality breach (data exposure), availability disruption (denial of service), with a CVSS base score of 6.6.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorLocal
Attack ComplexityLow
Privileges Req.Low
User InteractionRequired
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityNone
AvailabilityHigh
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:H

Affected Vendors & Products

libarchive1 product(s)
libarchive
Red Hat2 product(s)
openshift container platformenterprise linux
Source: NVD CPE · 6 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
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/2584
ADVISORYhttps://access.redhat.com/security/cve/CVE-2025-5918

All References (4)

→
https://access.redhat.com/security/cve/CVE-2025-5918Vendor Advisory
→
https://bugzilla.redhat.com/show_bug.cgi?id=2370877Issue Tracking
→
https://github.com/libarchive/libarchive/pull/2584Patch
→
https://github.com/libarchive/libarchive/releases/tag/v3.8.0Release Notes

Quick Facts

CVE IDCVE-2025-5918
CVSS Score6.6 / 10
SeverityMEDIUM
WeaknessCWE-125
CISA KEVNo
Affected2 vendor(s)
PublishedJun 9, 2025

Related CVEs (CWE-125)

CVE-2021-41556
10.0
CVE-2013-0767
10.0
CVE-2021-21777
10.0
CVE-2017-14451
10.0
CVE-2009-2523
10.0
CVE-2023-26489
9.9

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2025-5918 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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