Heap-Based Buffer Overflow in Parted Affects Red Hat Linux
CVE-2026-89085

6.6MEDIUM

Key Information:

Vendor

Red Hat
Status
Red Hat Enterprise Linux 10
Red Hat Enterprise Linux 6
Red Hat Enterprise Linux 7
Red Hat Enterprise Linux 8
Vendor
CVE Published:
16 October 2026

What is CVE-2026-89085?

A heap-based buffer overflow vulnerability exists in Parted due to an integer calculation error during buffer allocation while processing a specially crafted FAT32 filesystem. This flaw could be exploited by an attacker to crash the application or potentially lead to memory corruption, putting system integrity at risk when a user or automated service opens a malicious filesystem image.

References

https://access.redhat.com/security/cve/CVE-2026-89085
vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2466034
issue-trackingx_refsource_REDHAT

CVSS V3.1

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

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Red Hat would like to thank AISLE Research for reporting this issue.
.