Medium severity · published Sep 3, 2026
CVE-2026-71222
Gfs2-utils: gfs2-utils: heap out-of-bounds read via unchecked ea_num_ptrs in extended attribute processing
6.3
CVSS
0.1%
EPSS
No
On KEV
Description
A heap out-of-bounds read vulnerability was found in gfs2-utils. The ea_num_ptrs field from on-disk extended attribute metadata is consumed without bounds validation, causing a heap buffer over-read that may disclose sensitive memory contents or cause a crash when processing crafted GFS2 filesystem images.
CVSS vector
CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:H
Attack vector
Local
Complexity
High
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.1% · higher than 1% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
RH
Red Hat Enterprise Linux 7 · Red Hat
All versions, or not specified · source: vendor
RH
Red Hat Enterprise Linux 8 · Red Hat
All versions, or not specified · source: vendor
RH
Red Hat Enterprise Linux 9 · Red Hat
All versions, or not specified · source: vendor
EL
Enterprise Linux · Redhat
7.0; 8.0; 9.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-71222
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-71222
Vendor Advisory
https://access.redhat.com/security/cve/CVE-2026-71222
Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=2511399
More from Red Hat Enterprise Linux 7
10.0
CVE-2026-4692
Sandbox escape in the Responsive Design Mode component
10.0
CVE-2026-4689
Sandbox escape due to incorrect boundary conditions, integer overflow in the XPCOM component
10.0
CVE-2026-4688
Sandbox escape due to use-after-free in the Disability Access APIs component
10.0
CVE-2026-2778
Sandbox escape due to incorrect boundary conditions in the DOM: Core & HTML component
10.0
CVE-2026-2776
Sandbox escape due to incorrect boundary conditions in the Telemetry component in External Software
