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CVE-2023-26253

19
FAUCET Score

CVE-2023-26253 is a stack-based buffer over-read vulnerability in Gluster GlusterFS version 11.0, specifically within the fuse-bridge.c component. This vulnerability has a CVSS score of 7.5 (HIGH), indicating a high severity due to its network-accessible attack vector, low attack complexity, and potential for high impact on availability. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
11.0CPE matchmatch criteria
cpe:2.3:a:gluster:glusterfs:11.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.91%
Probability of exploitation in next 30 days
EPSS Percentile
56.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0091 is in the 31st percentile among its peer group of 51,553 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (5)

github_advisorypatch availablevia nvd_reference
View patch
microsoftpatch availablevia msrc
Product: Azure Linux 3.0 x64Fixed in: 11.1-3
microsoftpatch availablevia msrc
Product: Azure Linux 3.0 ARMFixed in: 11.1-3
microsoftpatch availablevia msrc
Product: azl3 glusterfs 11.1-3 on Azure Linux 3.0Fixed in: 11.1-3
microsoftpatch availablevia msrc
Product: 18414-17084Fixed in: 11.1-3

Vendor Advisories (3)

microsoft2024-Sep/CVE-2023-26253

CVE-2023-26253

Sep 10, 2024
redhatCVE-2023-26253Moderate

glusterfs: stack-based buffer overflow in notify() in fuse-bridge.c

Feb 21, 2023
microsoft2023-Feb/CVE-2023-26253Important

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

Feb 14, 2023

References

github.com / gluster/glusterfs/issues/3954
ExploitIssue TrackingPatchThird Party Advisory
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/UE6K2DXP4QZVKP32Z7BSYDSRBL4H7JSE