CVE-2023-26253
CVE-2023-26253 is a high-severity vulnerability in Gluster Glusterfs with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-125.
Key facts
- Severity: High (CVSS 3.x base score 7.5)
- EPSS exploit prediction: 1% (56th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-125
- Affected product: Gluster Glusterfs
- Published:
- Last modified:
Description
In Gluster GlusterFS 11.0, there is an xlators/mount/fuse/src/fuse-bridge.c notify stack-based buffer over-read.
Frequently asked questions
- What is CVE-2023-26253?
- In Gluster GlusterFS 11.0, there is an xlators/mount/fuse/src/fuse-bridge.c notify stack-based buffer over-read.
- How severe is CVE-2023-26253?
- CVE-2023-26253 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
- Is CVE-2023-26253 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (56th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2023-26253?
- CVE-2023-26253 affects Gluster Glusterfs. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2023-26253?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2023-26253 published?
- CVE-2023-26253 was published on 2023-02-21 and last updated on 2026-06-17.
References
- https://github.com/gluster/glusterfs/issues/3954
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UE6K2DXP4QZVKP32Z7BSYDSRBL4H7JSE/
Affected products (1)
- cpe:2.3:a:gluster:glusterfs:11.0:*:*:*:*:*:*:*
More vulnerabilities in Gluster Glusterfs
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- CVE-2018-10929 — High (CVSS 8.8): A flaw was found in RPC request using gfs2_create_req in glusterfs server. An authenticated attacker could use this…
- CVE-2018-10928 — High (CVSS 8.8): A flaw was found in RPC request using gfs3_symlink_req in glusterfs server which allows symlink destinations to point…
- CVE-2018-10926 — High (CVSS 8.8): A flaw was found in RPC request using gfs3_mknod_req supported by glusterfs server. An authenticated attacker could use…
- CVE-2018-10907 — High (CVSS 8.8): It was found that glusterfs server is vulnerable to multiple stack based buffer overflows due to functions in…
- CVE-2018-10904 — High (CVSS 8.8): It was found that glusterfs server does not properly sanitize file paths in the "trusted.io-stats-dump" extended…
All CVEs affecting Gluster Glusterfs →
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