Heap Buffer Over-Read Vulnerability in Libarchive Library
CVE-2025-5915

6.6MEDIUM

Key Information:

Status
Red Hat Enterprise Linux 10
Red Hat Enterprise Linux 6
Red Hat Enterprise Linux 7
Vendor
CVE Published:
9 June 2025

What is CVE-2025-5915?

A vulnerability has been discovered in the Libarchive library that can lead to a heap buffer over-read. This occurs when the size of a filter block exceeds the limits imposed by the Lempel-Ziv-Storer-Schieber (LZSS) window. Consequently, this flaw may allow the library to read data beyond the allocated memory, which can trigger unpredictable behavior, cause program crashes, or expose sensitive information stored in adjacent memory regions.

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References

https://access.redhat.com/security/cve/CVE-2025-5915
vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2370865
issue-trackingx_refsource_REDHAT
https://github.com/libarchive/libarchive/pull/2599

CVSS V3.1

Score:
6.6
Severity:
MEDIUM
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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