---
id: CVE-2026-116124
title: >-
  libgsf: libgsf: Arbitrary code execution via heap-based buffer overflow in
  OLE2 parser (CVE-2026-116124)
summary: >-
  A flaw was found in libgsf. A heap-based buffer overflow vulnerability exists
  in the OLE2 document parser within the ole_info_read_metabat function. A
  remote attacker could exploit this flaw by enticing a user to open a specially
  crafted f…
severity: high
cvss: 7.8
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H'
cvssSource: vendor
cwe:
  - CWE-787
  - CWE-122
  - CWE-119
vendor: Red Hat
product: Red Hat Enterprise Linux 6
affected:
  - enterprise_linux 10
  - enterprise_linux 6
  - enterprise_linux 7
  - enterprise_linux 8
  - enterprise_linux 9
published: '2026-10-26'
updated: '2026-10-26'
sourceUpdated: '2026-10-26T07:04:10+00:00'
source: CSAF
sourceUrl: 'https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-116124.json'
references:
  - url: >-
      https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-116124.json
  - url: 'https://access.redhat.com/security/cve/CVE-2026-116124'
  - url: 'https://bugzilla.redhat.com/show_bug.cgi?id=2560528'
  - url: 'https://www.cve.org/CVERecord?id=CVE-2026-116124'
  - url: 'https://nvd.nist.gov/vuln/detail/CVE-2026-116124'
  - url: >-
      https://gitlab.gnome.org/GNOME/libgsf/-/commit/a8e25560b74f84c3f86df6ca0ac59195fa5af68a
  - url: 'https://vuldb.com/cve/CVE-2026-116124'
  - url: 'https://vuldb.com/submit/1004965'
  - url: 'https://vuldb.com/vuln/426192'
  - url: 'https://vuldb.com/vuln/426192/cti'
  - url: 'https://www.gnome.org/'
tags:
  - csaf
  - vex
  - red-hat
  - cve.org
scores:
  vendor: 7.8
  cna: 6.3
ingestedAt: '2026-10-26T07:20:03.485Z'
epss: 0.00426
epssPercentile: 0.36675
---

## Overview

A flaw was found in libgsf. A heap-based buffer overflow vulnerability exists in the OLE2 document parser within the ole_info_read_metabat function. A remote attacker could exploit this flaw by enticing a user to open a specially crafted file. Successful exploitation could lead to arbitrary code execution or cause an application crash, resulting in a Denial of Service (DoS).

## Vendor advisories

- **Red Hat VEX** · Important · affected: Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9 · no fix planned: Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 8, … · updated 2026-10-26 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-116124.json)

**libgsf: libgsf: Arbitrary code execution via heap-based buffer overflow in OLE2 parser** — rated Important by Red Hat. Released 2026-10-26.

Affected:

- Red Hat Enterprise Linux 10
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
- Red Hat Enterprise Linux 8
- Red Hat Enterprise Linux 9

No fix planned:

- Red Hat Enterprise Linux 10
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
- Red Hat Enterprise Linux 8
- Red Hat Enterprise Linux 9

## Remediation

Affected