Vulnerability record · CVE-2026-71219 · published 3 September 2026

CVE-2026-71219: Redhat enterprise linux allocation without limits vulnerability

Redhat · Enterprise Linux

A stack overflow vulnerability was found in gfs2-utils. The hash table traversal code in metawalk.c uses alloca() with an exponentially-derived size from the untrusted on-disk di_depth field without bounds validation. A crafted GFS2 filesystem image with a large di_depth value causes stack exhaustion and a denial of service when processed by fsck.gfs2, gfs2_edit, or savemeta.

4.7 CVSS 3.1 Medium EPSS 0.14% · top 97.0% CWE-770 · Allocation without limits

4.7CVSS 3.1 base score

0.14%EPSS exploitation probability, 30 days

NoNot in CISA KEV

1Affected product versions listed by NVD

2References

22 Sep 2026Last modified by NVD

Description

CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

Enterprise Linux Redhat

References

Link	Tags
https://access.redhat.com/security/cve/CVE-2026-71219	Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2507750	Issue TrackingVendor Advisory

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Source: NIST National Vulnerability Database (record CVE-2026-71219), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.