Reference page — cumulative record through Saturday, October 3, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.

CVE-2026-71222

CVE-2026-71222MEDIUM

Red Hat Red Hat Enterprise Linux 7 — Gfs2-utils: gfs2-utils: heap out-of-bounds read via unchecked ea_num_ptrs in extended attribute processing

  AV  AC  PR  UI  S  C  I  A   CVSS    EPSS   %ile   KEV
   L   H   N   R  U  H  N  H    6.3   .0014    2.8     —

AFFECTED
  Product                     Versions     Fixed
  Red Hat Enterprise Linux 7  unspecified  —
  Red Hat Enterprise Linux 8  unspecified  —
  Red Hat Enterprise Linux 9  unspecified  —

TIMELINE
  Aug 5   Reserved by redhat
  Sep 3   Published (CNA: redhat)
  Sep 22  RESCORED — CVE-2026-71222 (Red Hat Enterprise Linux 7). CVSS 5.3 → 6.3 (NVD).

CWE-125 · CNA: redhat · CVSS v3.1 · 2 references · NVD status: Analyzed

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.

Lifecycle

Complete event history — 3 events, chronological
Date	Event	Detail
August 5, 2026	Reserved	Reserved by redhat
September 3, 2026	Published	Published (CNA: redhat)
September 22, 2026	RESCORED	RESCORED — CVE-2026-71222 (Red Hat Enterprise Linux 7). CVSS 5.3 → 6.3 (NVD).

Affected

Affected products and packages — 3 rows
Vendor	Product / Package	Ecosystem	Version introduced	Fixed
Red Hat	Red Hat Enterprise Linux 7	—	—	—
Red Hat	Red Hat Enterprise Linux 8	—	—	—
Red Hat	Red Hat Enterprise Linux 9	—	—	—

Weaknesses

CWE-125

References (2)

https://access.redhat.com/security/cve/CVE-2026-71222 [Vendor Advisory]
https://bugzilla.redhat.com/show_bug.cgi?id=2511399 [Issue Tracking]

Authoritative record: CVE-2026-71222 at cve.org

Vendors: red hat

Weaknesses: CWE-125

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-71222 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Saturday, October 3, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.