CVE-2023-26253

Publication date 21 February 2023

Last updated 26 August 2025

Ubuntu priority

Why this priority?

Cvss 3 Severity Score

Score breakdown

Description

In Gluster GlusterFS 11.0, there is an xlators/mount/fuse/src/fuse-bridge.c notify stack-based buffer over-read.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
glusterfs	25.10 questing	Not affected
	25.04 plucky	Not affected
	24.10 oracular	Not affected
	24.04 LTS noble	Not affected
	23.10 mantic	Not affected
	23.04 lunar	Fixed 10.3-4ubuntu0.1
	22.10 kinetic	Fixed 10.2-1ubuntu0.1
	22.04 LTS jammy	Fixed 10.1-1ubuntu0.1
	20.04 LTS focal	Vulnerable
	18.04 LTS bionic	Vulnerable
	16.04 LTS xenial	Fixed 3.7.6-1ubuntu1+esm2
	14.04 LTS trusty	Vulnerable

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Notes

mdeslaur

stack-based overread is just a DoS on Ubuntu because of stack protector

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package	Patch details
glusterfs	Other: 9c7718a Other: 2b50104 Upstream: 0cbf51a

Severity score breakdown

Parameter	Value
Base score	7.5 · High
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	None
Scope	Unchanged
Confidentiality	None
Integrity impact	None
Availability impact	High
Vector	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H