Is CVE-2025-5915 actively exploited?

CVE-2025-5915 has no public evidence of in-the-wild exploitation as of 2026-01-08.

What is the CVSS score for CVE-2025-5915?

CVE-2025-5915 has a CVSS score of 6.6 (MEDIUM severity). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:H.

How do I patch CVE-2025-5915?

Patch guidance is available from libarchive security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2025-5915.

CVE-2025-5915 - remediation guidance & executive summary

Q: Which products are affected by CVE-2025-5915?

7 products: libarchive libarchive, redhat openshift container platform, redhat enterprise linux, redhat enterprise linux, redhat enterprise linux, and 2 more.

Description

A vulnerability has been identified in the libarchive library. This flaw can lead to a heap buffer over-read due to the size of a filter block potentially exceeding the Lempel-Ziv-Storer-Schieber (LZSS) window. This means the library may attempt to read beyond the allocated memory buffer, which can result in unpredictable program behavior, crashes (denial of service), or the disclosure of sensitive information from adjacent memory regions.

CVSS Metrics

Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:H
Attack Vector: local
Complexity: low
Privileges: low
User Action: required
Scope: unchanged
Confidentiality: high
Integrity: none
Availability: high
Weaknesses: CWE-122

Metadata

Primary Vendor: LIBARCHIVE
Published: 6/9/2025
Last Modified: 1/8/2026
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

Affected Products

libarchive : libarchiveredhat : openshift_container_platformredhat : enterprise_linuxredhat : enterprise_linuxredhat : enterprise_linuxredhat : enterprise_linuxredhat : enterprise_linux

Remediation Guidance

Executive Summary

View on NIST NVD